5. Module Functions

5.1. Black Level

5.1.1. Black Level Calibrationmethod

analogthe relevant informationwhen, hascanthe relevant informationnotthe relevant informationanalogthe relevant informationdigitalthe relevant informationdevicethe relevant information, the relevant informationwhen, imagedetailthe relevant information.becausethis, imagethe relevant informationdevicewillinanalogthe relevant informationdigitalthe relevant information, the relevant informationanalogthe relevant informationfixedofoffset, the relevant informationOutputofdigitalthe relevant informationofimagedetail.Black Levelcorrectionmodulethe relevant informationthroughcalibrationofwaythe relevant information, determinethe relevant informationoffsetofspecificthe relevant information.the relevant informationof ISP processmodule, needthe relevant informationthisthe relevant information, the relevant informationdataoflinearthe relevant informationproperty.

5.1.1.1. Environment and Equipment Preparation

ifthe relevant informationobtainthe relevant informationimagethe relevant informationdeviceofBlack LevelParameter, orneedobtainthe relevant informationofBlack Levelvalue, the relevant informationCalibration Toolthe relevant informationautomaticcalibrationBlack Levelofmode. incalibrationbeforeneedusermanualcaptureBlack Level Calibrationthe relevant informationInputof Raw, captureStepas follows:

Step 1. willdeviceofaperturethe relevant informationclose, oruselensthe relevant informationwilllensInputthe relevant information, the relevant informationNonethe relevant information.

Step 2. throughCviPQTool ofExposureAttr the relevant information, manualsettinggainis 1x.specificoperationmethodiswillExposure and Exposure Manual the relevant informationofall OpType setisOP_TYPE_MANUAL, samewhenwill Exposure Manual the relevant informationofAGain, DGain, ISP Dgain manualsetis 1024.

Step 3. use CviPQTool Capture Tool capturethe relevant information Raw file.

5.1.1.2. Black LevelCalibration Tool Interface

willCalibration ToolofmainFunctionthe relevant informationswitchthe relevant informationBLC, that iscanthe relevant information BLCcalibrationofinterface, as Figure 5.1 as shown, pagemainlythe relevant informationisthe relevant informationpart:

  • control area: toolperformcalibrationofmainlyFunction (the relevant informationcolorthe relevant informationarea).

  • display area: displayinput imageand BLCcalibrationthe relevant informationofresult image (the relevant informationcolorthe relevant informationarea).

_images/Module002.png

Figure 5.1 Black LevelCalibration Tool InterfaceillustrationFigure

5.1.1.3. Black Level CalibrationStep

capturethe relevant informationcalibrationalgorithmthe relevant informationof Raw the relevant information, usercanaccording tousingundermethodperformBlack LevelAutomatic modeofcalibration:

Step 1. inCalibration Toolthe relevant informationabovewayOpen raw filesimportRawFigureorYuvFigurefile, the relevant informationindrop-downthe relevant informationuseDark frame.

Step 2. click Calibration button, performBlack Level Calibration.

abovethe relevant informationof"Open raw files"operation, itsinselectcorrespondingraworyuvfilethe relevant information, willthe relevant informationunderFigure Figure 5.2 the relevant informationofdialog, inthe relevant informationdialogthe relevant information, the relevant informationofParameterselectthe relevant information, click"OK"the relevant information, the relevant informationimportRawFigureorYuvFigureofthe relevant informationthat iscancomplete.

_images/Module060.png

Figure 5.2 Raw Format Dialogdialog

5.2. DPC

5.2.1. DPC Tuningmethod

5.2.1.1. Function Description

insensor the relevant information, according tothe relevant informationofnotsame, willproducenumbernotetc.ofdefective pixel, inimagedothe relevant information (Demosaic)orthe relevant informationfilteringdeviceofprocess, willwilldefective pixelofthe relevant information.isthe relevant informationreducelowdefective pixelforrawthe relevant informationofthe relevant information, inthe relevant informationetc.imageprocessbefore, the relevant informationfordefective pixelperformcorrection.

defective pixelcanthe relevant informationisthe relevant informationtype:

  • the relevant informationdefective pixel:

    • the relevant informationpoint: generallythe relevant information, normalofthe relevant informationwillthe relevant informationthaninthe relevant informationlight sourceofbrightness.the relevant informationpointdefineisthispointofthe relevant informationgreater thanthe relevant informationusingcorrespondingratio, andwhenexposure timeincrease, thispointofthe relevant informationwillthe relevant informationincrease.

    • the relevant informationpoint: Nonethe relevant informationrawlight sourceofthe relevant informationproperty, thispointofthe relevant information0.

  • dynamicdefective pixel:

    • inthe relevant informationuseabove, thispointthe relevant informationnormal, butasusewhenthe relevant information, orthe relevant informationsensor the relevant informationhigh, gainthe relevant informationetc.environmentthe relevant informationnotsame, thispointwilldisplaythanthe relevant information.

the relevant informationanddynamicdefective pixelofdetectionandcorrection, mainlythe relevant informationuse5x5 ofwindow, forthe relevant informationsamecolorchanneldothe relevant informationandcorrection.

DPC cansupportofdefective pixeltype:

  • the relevant informationpointdefective pixel

  • defective pixelthe relevant information, the relevant informationcolorchannelthe relevant informationhas2the relevant informationdefective pixel

_images/Module003.png

Figure 5.3 the relevant informationdefective pixel, as followsFigureisRdefective pixel

_images/Module004.png

Figure 5.4 samethe relevant informationcolorchannelthe relevant informationdefective pixel, Ghasthe relevant informationpointdefective pixel, andR, Bdefective pixelnotwillimpactGofcorrection

DPC notcansupportofdefective pixeltype:

  • samecolorchannelthe relevant information2the relevant informationofdefective pixelthe relevant information

5.2.1.2. Key Parameters

Table 5.1 DPCdynamicKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

DPCFunctionEnabled.

0: close.

1: Enabled

OpType

[0, 1]

0

DPCoperationtype.

0: Automatic mode (OP_TYPE_AUTO).

1: Manual mode (OP_TYPE_MANUAL).

DarkDefectThresh

[0, 4095]

[710, 1036, 1711, 2365, 3905]

according to differentbrightnesssettingthe relevant informationdefective pixeldetectionthreshold1.

BrightDefectThresh

[0, 4095]

[710, 1036, 1711, 2365, 3905]

according to differentbrightnesssettingthe relevant informationdefective pixeldetectionthreshold1.

DarkDefectThreshOffset

[0, 4095]

0

controlthe relevant informationdefective pixelthreshold2ofsize.

BrightDefectThreshOffset

[0, 4095]

0

controlthe relevant informationdefective pixelthreshold2ofsize.

AdvMode

[0, 1]

0

numberthe relevant informationdirectionpropertycompensationEnabled.

0: close, compensationwaythe relevant informationinAvgMode.

1: Enabled.

AvgMode

[0, 1]

1

defective pixelcompensationmode.

0: directionpropertycompensation.

1: Nonedirectionpropertycompensation.

TransitionWeight

[0, 255]

0

controlthe relevant informationregionpointofcompensationstrength.the larger the value, compensationstrengthmorethe relevant information.

5.2.1.3. Tuning Steps

dynamic DPC processstrengthandISOthe relevant informationrelated, inISOthe relevant informationhighofenvironmentunder, imageofnoisethe relevant information, throughincreasedynamicDPCofstrength, canthe relevant informationthanthe relevant informationofimagequality, butstrengththe relevant information, the relevant informationwillthe relevant informationdetailofthe relevant informationandedgeofthe relevant information, the relevant informationusingtuningabovethe relevant informationfornotsamesensor, andnotsamescenethe relevant informationdodynamicDPCstrengthadjust.whenthe relevant informationeffectnotasexpectedwhen, usercanaccording tounderthe relevant informationSteptuning:

Step 1. throughadjust DarkDefectThresh , BrightDefectThresh, the relevant informationwhenofdefective pixelthe relevant informationthreshold1.Parametertrendas Figure 5.5 as shown.DarkDefectThresh[0]~DarkDefectThresh[4]respectivelycorrespondingbrightnessin32, 64, 128, 256whenofsetting, BrightDefectThreshsamethe relevant information.thisthe relevant information, willthe relevant informationdefective pixelbecauseNonethe relevant informationdetectionthe relevant informationandthe relevant informationnotthe relevant information; thisthe relevant information, willthe relevant informationdefective pixelthe relevant information, fromandthe relevant informationedgedetaillossorthe relevant information.

_images/Module0070.png

Figure 5.5 brightness-threshold1

adjust DarkDefectThreshOffset , BrightDefectThreshOffset , the relevant informationwhenofdefective pixelthe relevant informationthreshold2.usingthe relevant informationdefective pixelthreshold2isexample:

the relevant informationdefective pixelthreshold2 = BrightDefectThresh + BrightDefectThreshOffset.

the relevant informationdefective pixelthreshold2samethe relevant information.according tothreshold1andthreshold2, canwillallofpointthe relevant informationisusingunderthe relevant information, as Figure 5.6 as shown.

_images/Module00700.png

Figure 5.6 pointthe relevant information

Step 2. selectvariouspointofcompensationwaythe relevant information.

  • the relevant informationdefective pixel: notdoprocess.

  • the relevant informationregionofpoint: canthrough AvgMode , TransitionWeight respectivelycontrolcompensationwaythe relevant information, compensationstrength.Nonedirectionpropertycompensation, the relevant informationedgeanddetailofloss.

  • defective pixel:

    • the relevant informationdefective pixel: that isthe relevant informationdefective pixel, itscompensationwaythe relevant informationin AvgMode .

    • the relevant informationdefective pixel: that isthe relevant informationsamecolorchannel, hasthe relevant informationdefective pixelofthe relevant information(notsupportthe relevant informationdefective pixelofthe relevant information).generallyusenumberthe relevant informationdirectionpropertycompensation, that isthe relevant information AdvMode = 1.numberthe relevant informationdirectionpropertycompensationthe relevant informationEnabledwhen, compensationwaythe relevant informationreferenceAvgMode.

5.3. CrossTalk Removal

5.3.1. CrossTalk RemovalTuning Method

5.3.1.1. Function Description

Crosstalkthe relevant informationsensorcanthe relevant informationbecauseisspecialthe relevant informationofthe relevant information, the relevant informationofGrandGbthe relevant informationnotthe relevant information, andthe relevant informationinperformDemosaicthe relevant informationproduceofwaythe relevant informationorthe relevant informationofpattern.becausethis, isthe relevant informationneedbalancethe relevant informationGrandGbthe relevant informationofdifference.

as Figure 5.7 as shown, the relevant informationTableGrandGbthe relevant informationofdifferencethe relevant informationDiff = |Gr - Gb|, the relevant informationTablecorrespondingweightthe relevant information, T1~T4the relevant informationusethe relevant informationcanthe relevant informationdefineofThresholdthe relevant information.whendifferencethe relevant information, the relevant informationofweightthe relevant information, overallimageprocessofstrengthmorethe relevant information.

_images/Module008.png

Figure 5.7 Crosstalk Removalweightthe relevant informationFigure

5.3.1.2. Key Parameters

Table 5.2 CrossTalk RemovalKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

CrosstalkFunctionEnabled.

0: close.

1: Enabled.

OpType

[0, 1]

0

Crosstalkoperationtype.

0: Automatic mode (OP_TYPE_AUTO).

1: Manual mode(OP_TYPE_MANUAL).

GrGbDiffThreSec1

[0, 4095]

128

Gchannelbalancenode1threshold.

GrGbDiffThreSec2

[0, 4095]

192

Gchannelbalancenode2threshold.

GrGbDiffThreSec3

[0, 4095]

224

Gchannelbalancenode3threshold.

GrGbDiffThreSec4

[0, 4095]

256

Gchannelbalancenode4threshold.

FlatThre1

[0, 4095]

128

flat regiondetectionnode1threshold.

FlatThre2

[0, 4095]

192

flat regiondetectionnode2threshold.

FlatThre3

[0, 4095]

224

flat regiondetectionnode3threshold.

FlatThre4

[0, 4095]

256

flat regiondetectionnode4threshold.

Strength[16]

[0, 255]

64

Gchannelbalancethe relevant informationstrength.

5.3.1.3. Tuning Steps

_images/Module009.png

Figure 5.8 CrossTalk RemovalprocessflowFigureandKey Parameters

Step 1. the relevant informationbyadjust GrGbDiffThreSec1 ~ GrGbDiffThreSec4 , when GrGbDiffThreSec1 ofthe relevant information, the relevant informationTableoverallofprocessofstrengththe relevant information, and GrGbDiffThreSec2 - GrGbDiffThreSec4 the relevant informationdeterminedifferencethe relevant information, strengththe relevant informationofdegree.

Step 2. the relevant informationbyadjust FlatThre1 ~ FlatThre4 the relevant informationdetermineimageedgeofprocessstrength, when FlatThre1 ofthe relevant information, edgethe relevant informationprocessofstrengththe relevant information, the relevant information, conversely, FlatThre1 the relevant information, edgewillthe relevant informationisthe relevant information.

Step 3. Strength the relevant informationTableimageoverallofprocessstrength, the relevant information, strengththe relevant information; conversely, the relevant informationifthe relevant informationsettingthe relevant information, willthe relevant informationCrossTalkofthe relevant informationnoise.

— End

5.4. Lens Shading Correction (LSC)

5.4.1. LSC Calibrationmethod

throughthe relevant information, in Lens Shading the relevant information, targetpointofbrightnessthe relevant informationtrendthe relevant informationwaythe relevant information.forinsamethe relevant informationlensthe relevant information, itsthe relevant informationbrightnessthe relevant informationwillasthe relevant informationpointandthe relevant informationofthe relevant informationchangeandchange.andanditschangetrendis: andthe relevant informationofthe relevant informationofthe relevant informationwaythe relevant informationthan, the relevant informationthancoefficientthroughlensofthe relevant informationandthe relevant informationdetermine.becausethisforinsamethe relevant informationlensthe relevant information, itscalibrationresultneedthe relevant informationusingunderthe relevant information: itsthe relevant information, calibrationresultcanvalidthe relevant informationbrightnessthe relevant informationtrend; itsthe relevant information, calibrationresultcanthe relevant informationimageareathe relevant informationalltargetpointofbrightness.samewhenneedNoteofthe relevant information, byindifferent light sourcesornotsamecolor temperatureunderthe relevant informationofthe relevant informationnotsame, the relevant informationabove IR-cut Filterofimpact, the relevant informationusingthat isthe relevant informationsamethe relevant informationlensthe relevant information, itsindifferent light sourcesunder Color Shading the relevant informationcurvethe relevant informationnotthe relevant informationsame, becausethisisthe relevant informationindifferent light sourcesorcolor temperatureunder Color Shading ofcorrectionthe relevant information, needindifferent light sourcesorcolor temperatureunderfor LSC performcorrection.

byin Color Shading ofimpact, forinthe relevant information Color Shading the relevant informationthanthe relevant informationoflensor sensor, indo AWB calibrationbeforeneedfor AWB ofcalibrationcapturethe relevant informationperform LSC correction, usingcorrectionresultthe relevant informationisAWB calibrationalgorithmofInputthe relevant informationaccurateof AWB calibrationresult.

5.4.1.1. Environment and Equipment Preparation

LSC the relevant informationcalibration, the relevant informationlight sourceofthe relevant informationimageisthe relevant information.the relevant informationcapturethe relevant informationas followsthe relevant information:

  • LSC moduleofcalibrationthe relevant informationcaptureforthe relevant informationbrightnessthe relevant informationandthe relevant informationoflight source, samewhencaptureforthe relevant informationsmoothNonetexture.the relevant informationunderthe relevant information, the relevant information, DNP the relevant informationperformcapture, itsthe relevant informationcanthe relevant informationis LSC calibrationthe relevant informationcaptureforthe relevant informationofscenehas: the relevant information(Nonethe relevant informationorthe relevant information), the relevant informationandthe relevant informationoflight source.ifthe relevant informationlimit, the relevant informationcanthe relevant informationbrightnessthe relevant informationofthe relevant information(the relevant information), butthe relevant informationcalibrationofaccuratedegreecanthe relevant informationwillthe relevant informationimpact.

  • ifcaptureforthe relevant informationisthe relevant information, byinthe relevant informationlight sourcethe relevant informationinthe relevant informationabovehasthe relevant informationcanthe relevant informationpropertythe relevant informationnotthe relevant information, the relevant informationlensforthe relevant informationlight sourcethe relevant information, andthe relevant informationamountthe relevant informationlensthe relevant informationarealight sourcethe relevant information.

  • capturethe relevant informationformatis RAW format, the relevant information 1 the relevant informationthat iscan, capturethe relevant information, light sourceilluminationin 400 lux the relevant information, lensthe relevant informationbrightnessthe relevant informationismaximumthe relevant information(255)of 70%, andanduseneedcalibrationoflens.

  • forinneedindifferent light sourcesunderuseofscene, needindifferent light sourcesunderperformcalibration, the relevant informationoflight sourcehasTL84, CWF, A, D65, D50 etc., the relevant informationaccording touseRequirementsselectlight sourceperformcalibration.

  • forinnotsamelensthe relevant information, needperformthe relevant informationcalibration.

the relevant informationofthe relevant informationStepas follows:

Step 1. willlensforthe relevant informationtargetarea, andthe relevant informationenvironmentnotthe relevant information.

Step 2. adjustmentlight sourcebrightness, the relevant informationlensthe relevant informationbrightnessthe relevant informationismaximumthe relevant informationof 70%.

Step 3. use CviPQTool Capture Tool perform Raw dataofcapture, the relevant information 1 the relevant informationthat iscan.

Step 4. the relevant informationlight source, the relevant informationabovethe relevant informationStep.

— End

capturethe relevant informationof LSC calibrationthe relevant informationas Figure 5.9 as shown:

_images/Module010.jpg

Figure 5.9 LSC calibrationthe relevant informationimage

5.4.1.2. LSCCalibration Tool Interface

will ISP Calibration ToolofmainFunctionthe relevant informationswitchthe relevant information LSC, that iscanthe relevant information LSC calibrationofinterface, as Figure 5.10 as shown.

LSC Calibration Toolmainlycanthe relevant informationisthe relevant informationpart:

  • control area: toolperformcalibrationofmainlyFunction (the relevant informationcolorthe relevant informationarea).

  • display area: displayinput imageand LSC calibrationthe relevant informationofOutputimage (the relevant informationcolorthe relevant informationarea).

  • listregion: openofinput imagethe relevant informationwillinthisthe relevant informationdisplay, andthe relevant informationunderthe relevant informationcalibrationresultthe relevant informationboard sideofFunction, that isLSCthe relevant informationunderwayregionthe relevant information (the relevant informationcolorthe relevant informationarea).

_images/Module011.png

Figure 5.10 LSCCalibration Tool InterfaceillustrationFigure

5.4.1.3. LSC CalibrationStep

LSCthe relevant informationgenerallyCalibration Stepsas follows:

  1. inthe relevant informationabovewayclickOpen raw filescanimportRAWimage.the relevant informationwilldisplaythe relevant informationimportoffilethe relevant information, the relevant informationpointthe relevant informationSelbarthe relevant information, that iscaninLSCthe relevant informationclick "Import selected raw" the relevant informationimportthe relevant informationRAWimage.

  2. through"Import BLC calibration data"buttonwillblccalibrationdataimportthe relevant information.

  3. "Calibration type"ofselecthas3the relevant information, defaultthe relevant information"All".

  4. the relevant informationbutton"Calibrate"usingperform LSC the relevant informationcalibration.LSCthe relevant informationcalibrationcansupportthe relevant informationcolor temperature, the relevant informationcansupportthe relevant informationLSC CalibrationTable.

5.4.2. LSC Tuningmethod

5.4.2.1. Function Description

intooltuningpage, LSCwillthe relevant informationpart: the relevant informationLSC, that isMLSC(Mesh Lens shading correction), mainlythe relevant informationcorrectionColor Shading.inprocessorthe relevant information LSC algorithmusethe relevant informationmethodforimagethe relevant informationdocalibration, the relevant information, algorithmwillwillBayeraboveofdomainframethe relevant information 37×37 the relevant informationregionthe relevant information.Bayerdomainthe relevant informationchannelbythe relevant informationnotsameofRGBgainnumberthe relevant informationdothe relevant information.byinthe relevant informationdocoloraboveofcorrection, the relevant informationusinggenerallyGchannelgainthe relevant informationtimesofsetting, that is512.whencalibrationMLSCthe relevant informationnumberisthe relevant informationnumberthe relevant informationwhen, the relevant informationwillaccording tocurrentofcolor temperaturethe relevant informationofthe relevant informationcolor temperaturethe relevant informationMLSC CalibrationTableperformthe relevant information, producecorrespondingcurrentcolor temperatureofMLSCgain.calibrationofthe relevant informationnumberthe relevant informationby LscGainLutSize Parameterdefinethe relevant information.

the relevant informationRLSC(Radius Lens shading correction), mainlythe relevant informationcorrectionLuma Shading.inLSCalgorithmthe relevant information, willusingframeofbrightnessthe relevant informationisthe relevant information, the relevant informationpointandthe relevant informationofthe relevant informationisthe relevant information, donotsamedegreebrightnesscompensation.generallythe relevant informationbrightnessthe relevant informationmorethe relevant information, compensationstrengthmorethe relevant information.

5.4.2.2. Key Parameters

Table 5.3 MLSCKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

MLSCmoduleEnabled:

0: close;

1: enable.

OpType

[0, 1]

0

MLSCoperationtype.

0: Automatic mode (OP_TYPE_AUTO);

1: Manual mode(OP_TYPE_MANUAL).

LscGainLutSize

[1, 7]

1

calibrationofMLSCthe relevant informationnumber, the relevant informationcansupportthe relevant informationcalibrationdata

LscGinaLut[n].ColorTemp

[500 ,30000]

numbernthe relevant informationcalibrationdatacorrespondingcolor temperature

LscGinaLut[n].RGain

[0, 4095]

numbernthe relevant informationcalibrationdatacorrespondingRchannelgainTable

LscGinaLut[n].GGain

[0, 4095]

numbernthe relevant informationcalibrationdatacorrespondingGchannelgainTable

LscGinaLut[n].BGain

[0, 4095]

numbernthe relevant informationcalibrationdatacorrespondingBchannelgainTable

Table 5.4 RLSCKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

RLSCmoduleEnabled:

0: close;

1: enable.

OpType

[0, 1]

0

RLSCoperationtype.

0: Automatic mode (OP_TYPE_AUTO);

1: Manual mode(OP_TYPE_MANUAL).

RadiusStr

[0, 4095]

4095

RLSCofthe relevant informationstrength.

GGain

[0, 4095]

brightnesscompensationgainTable, bycalibrationthe relevant information.

NDThr

[0, 255]

20

the relevant informationnoisemaximum value.

NDStr

[0, 255]

64

adjustmentnoisethe relevant informationofstrength, the larger the value, noisethe relevant informationmore.

5.4.2.3. Tuning Steps

intuningMLSCbefore, firstverify Table 5.5 listedmodulealreadythroughcompletetuning, andKey ParametersofDefault Valuethe relevant information Table 5.3 to configure.mainlyParameteraccording tocalibrationresultthe relevant informationthat iscan.

Table 5.5 MLSCpretuningofrelatedmodule

module

status/value

BLC

Tuned

intuningRLSCbefore, firstverify Table 5.6 listedmodulealreadythroughcompletetuning, andKey ParametersofDefault Valuethe relevant information Table 5.4 to configure.

GGainaccording tocalibrationresultthe relevant informationthat iscan.RadiusStrcanaccording tothe relevant informationimageperformadjust, the larger the value, morethe relevant informationinframethe relevant informationnoise.

NDThr, NDStrthe relevant informationforBNRlossthe relevant informationofdetaildothe relevant informationcompensation.NDThrmorethe relevant information, detailcompensationmaximum valuemorethe relevant information, butthe relevant informationofnoise.NDStrmorethe relevant information, detailcompensationofstrengththe stronger, the relevant informationofnoisethe relevant informationwillmore.

Table 5.6 RLSCpretuningofrelatedmodule

module

status/value

BLC

Tuned

BNR

Tuned

5.5. White Balance

5.5.1. AWB Calibrationmethod

according to sensor innumberthe relevant informationstandardlight sourceunderthe relevant informationpointthe relevant information (R/G, B/G), the relevant informationcolor temperaturethe relevant informationcurve.

5.5.1.1. Environment and Equipment Preparation

needcalibrationoflensandSensor, standard 18% the relevant information (as Figure 5.11 as shown).

_images/Module012.jpg

Figure 5.11 standard18%the relevant information

Step 1. inillumination 600 lux oflight sourceunder(the relevant informationoflight sourcethe relevant information, light sourceandcolor chartofthe relevant informationin 25°- 45°), inlight sourcetypeofselectabove, the relevant informationamountthe relevant informationhigh, the relevant information, lowcolor temperaturethe relevant informationhasthe relevant information.the relevant informationuseD65(6500K)orD75(7500K ), TL84(4000K )and A (2800K )the relevant informationlight source.

Step 2. captureRawwhenthe relevant informationamountthe relevant informationframethe relevant information70%aboveofframecontent, andverify Raw ofbrightnessthe relevant informationexpected, Gthe relevant informationamountbrightnessinthe relevant informationandthe relevant informationof0.36timesthe relevant information(ifthe relevant information12 bits raw, recommendGthe relevant informationin 1274 ~ 1674 ), capturethe relevant informationnumber1the relevant informationthat iscan, capturewhenneedthe relevant informationenvironmentcolor temperature.

Step 3. byinlensShading willimpact AWB ofcalibrationresult, isthe relevant information AWB calibrationresultaccurate, the relevant informationwillcaptureunderthe relevant informationofRawperformShadingcalibrationthe relevant informationperformAWB Calibration.

— End

5.5.1.2. AWBCalibration Tool Interface

willCalibration ToolofmainFunctionthe relevant informationswitchthe relevant informationAWB, that iscanthe relevant information AWB Calibrationofinterface, as Figure 5.12 as shown

_images/Module013.png

Figure 5.12 AWBCalibration Tool InterfaceillustrationFigure

5.5.1.3. AWB CalibrationStep

Step 1. Import BLC Data , correctionAWBwhenthe relevant informationhasthe relevant informationofBLC the relevant information.

Step 2. click"Open raw file" enableandthe relevant informationcalibrationthe relevant information raw file, Raw Scene optionthe relevant informationselect uniform color.the relevant informationofRAW Formatavoidcorrectionthe relevant informationerrorofAWBcolor temperaturecurve.

Step 3. the relevant information the relevant informationcalibrationthe relevant information raw the relevant information , click"Import select raw", the relevant informationthis raw file.

Step 4. the relevant informationStep2~3 , the relevant informationhasthe relevant informationcolor temperatureofRAWthe relevant information.

Step5. inthe relevant informationcolorthe relevant informationareaInputthe relevant informationRAWfileofcolor temperature(In Temp.(K))

Step6. inthe relevant informationcolorthe relevant informationareathe relevant information3the relevant informationKI (keycolor temperature)

Step7. click"Calibration", perform AWB calibration.

Step8. the relevant informationcolorthe relevant informationareawillthe relevant informationcalibrationofWBcurve,canthe relevant informationWeight weightthe relevant informationdocurveofadjust.

Step9. verifyNonethe relevant information, the relevant information"Write Data", write AWB calibrationdata.

Step10. the relevant information"Export Data", the relevant information AWB calibrationfile.

Step11. Note, the relevant informationverifycolor temperaturemorehigh, R/Gofthe relevant informationwillmorelow, B/Gofthe relevant informationwillmorehigh, asnotthe relevant informationverifyRAWofthe relevant informationandformatwhetherthe relevant information.

canthe relevant information WB Attrpageof AWB Calibration Dataverify

Table 5.7 AWB Calibration Data value

Parameter

Value Range

Default Value

Description

ColorTemp[0~2]

[0, 30000]

0

AWBcorrectionofthe relevant informationcolor temperature(lowthe relevant informationhigh)

AvgRgain[0~2]

[0, 4095]

0

AWBcorrectionofRgain

AvgBgain[0~2]

[0,4095]

0

AWBcorrectionofBgain

5.5.2. AWB Tuningmethod

5.5.2.1. Function Description

samethe relevant informationindifferent light sourcesthe relevant informationunderwillthe relevant informationnotsameofcolor, inlowcolor temperaturelight sourceunder, the relevant informationcolorthe relevant information, inhighcolor temperaturelight sourceunder, the relevant informationcolorthe relevant information.the relevant informationcanaccording tothe relevant informationofthe relevant informationdetermine, the relevant informationofthe relevant informationcolor.AWB algorithmofFunctionthe relevant informationcolorinnotsameoflight sourceunder, notthe relevant informationenvironmentlight sourceofimpactthe relevant informationofthe relevant informationcolor.AWB algorithmofbasicthe relevant information, according toscenethe relevant informationcolorthe relevant informationofcolorinformation, the relevant informationR,G, Bcolorchannelgain, the relevant informationusingRthe relevant informationandBthe relevant informationofgainthe relevant information, the relevant information RGB the relevant informationchannelthe relevant informationbalance.AWB ofgainthe relevant informationpropertyof, becausethis, inhasthe relevant informationlight sourceofthe relevant informationlight sourcesceneunder, notthe relevant informationallthe relevant informationcolorareaofRGBthe relevant informationchannelbalance.

5.5.2.2. Key Parameters

Table 5.8 AWBKey Parameters

Parameter

Value Range

Default Value

Description

Bypass

[0, 1]

0

ByPass is true when , WBitsthe relevant informationparameter settingsnottake effect , RGBchannelgaincoefficientfixedis 1024(the relevant informationtimesgain).

OpType

[0, 1]

0

manualwhite balanceandautomaticwhite balancemodeswitch.

AlgType

[0, 1]

0

AWB algorithmthe relevant information 0:AWB,1:AWB_SPEC

AWBRunInterval

[1, 255]

6

white balancemoduleoperationfrequency, recommenduseDefault Value6, avoidthe relevant informationamountthe relevant information.

RGain

[1, 16383]

10 24

manualwhite balancemode R the relevant informationgaincoefficient, the relevant informationtimesgainis1024.

GGain

[1, 16383]

1024

manualwhite balancemode G the relevant informationgaincoefficient, the relevant informationtimesgainis1024.

BGain

[1, 16383]

1024

manualwhite balancemode B the relevant informationgaincoefficient, the relevant informationtimesgainis1024.

Enable

[0, 1]

1

automaticwhite balancemodeEnabled.

RefColorTemp

[0, 65535]

5000

the relevant informationwhite balancecoefficient, byAWB Calibrationtoolthe relevant information.

Static WB

[0, 4096]

1024

the relevant informationwhite balancecoefficient, byAWB Calibrationtoolthe relevant information.

CurvePara

[-2147483648, 2147483647]

1

CurvePara[0-2] the relevant informationcurvecoefficient, byAWB Calibrationtoolthe relevant information.the relevant informationcurvethe relevant informationcolor patchinnotsamecolor temperatureofstandardlight sourceundercolorTablethe relevant information.CurvePara[3-5] color temperaturecurvecoefficient, byAWB Calibrationtoolthe relevant information.color temperaturecurvethe relevant informationcolor patchofcolorTablethe relevant informationandcolor temperatureofcorrespondingthe relevant information.

AWB.AlgType

[0, 1]

1

AWBalgorithmthe relevant informationselect,0:AWB_ALG_LOWCOST, 1:AWB_ALG_ADVANCEthe relevant information.whenuseAWB_ALG_LOWCOSTwhen, A WBAttrExpageofFunctionwillnottake effect.

RGStrengthBGStrength

[0, 255]

128

AWB correctionstrength, generallythe relevant informationnotrecommendadjust.the relevant information RGStrength = BGStrength, andsetthe relevant information<=0x80.

RGStren gth=0x80when, the relevant informationcolorthe relevant informationisthe relevant informationcolor;

RGS trength>0x80when, the relevant informationcolorandlight sourcethe relevant information, lowcolor temperaturethe relevant information, highcolor temperaturethe relevant information;

RGS trength<0x80when, the relevant informationcolorandlight sourcesamethe relevant information, lowcolor temperaturethe relevant information, highcolor temperaturethe relevant information.

the relevant informationofadjustmode(BGStrength=0, that iscanthe relevant informationthismode):

whenRGStrength=0x80when, notdoadjust

whenRGStrength<0x80andthe relevant informationin0when, morethe relevant informationmorethe relevant informationcolortune

whenRGStrength>0x80andthe relevant informationin255when, morethe relevant informationmorethe relevant informationcolortune

Speed

[0, 4095]

2 56

AWB convergencespeed, the larger the value, AWBconvergencethe faster, the relevant information, the smaller the value, switchlight sourcewhen, AWBconvergencespeedthe relevant information, framethe relevant informationpropertyhigh.

ZoneSel

[0, 255]

32

Parameteris0or255when,the relevant informationofwhite balancealgorithm,itsthe relevant informationisperformthe relevant information,the relevant informationprecision.

HighColorTemp

[0, 65535]

8000

AWB supportofcolor temperatureabovelimit, the relevant informationin[8000,15000].

color temperatureabovelimitmorethe relevant information, the relevant informationcolorthe relevant informationforAWBofthe relevant informationmorethe relevant information.

LowColorTemp

[0, 65535]

2500

AWB supportofcolor temperatureunderlimit, the relevant informationin[1500,2500].

color temperatureunderlimitmorethe relevant information, the relevant informationcolor, the relevant informationcolorthe relevant informationforAWBofthe relevant informationmorethe relevant information.

CTLimit.Enable

[0, 1]

1

the relevant informationbalanceofgainrangelimitthe relevant informationswitch.

CTLimit.OpType

[0, 1]

0

automaticormanualsettingwhite balanceofgainrange.

CTLimit.HighRgLimit

[0, 16383]

2500

Manual modeunderhighcolor temperatureundermaximumRgain.

CTLimit.HighBgLimit

[0, 16383]

512

Manual modeunderhighcolor temperatureunderminimumBgain.

CTLimit.LowRgLimit

[0, 16383]

512

Manual modeunderlowcolor temperatureunderminimumRgain.

CTLimit.LowBgLimit

[0, 16383]

4096

Manual modeunderlowcolor temperatureundermaximumBgain.

ShiftLimitEn

[0, 1]

0

AWBthe relevant informationpointrangeofgainthe relevant informationpointrangeofswitch.

ShiftLimit

[0, 4095]

240

usingthe relevant informationcurveisthe relevant informationpoint, ShiftLimitisabove,underthe relevant informationdetermineAWBsupportofthe relevant informationregionrange.

ShiftLimit[0], ShiftLimit[1]is1500~4000Kofthe relevant informationregionunder, abovethe relevant information

ShiftLimit[2], ShiftLimit[3]is4001~4800Kofthe relevant informationregionunder, abovethe relevant information

ShiftLimit[4], ShiftLimit[5]is4801~6000Kofthe relevant informationregionunder, abovethe relevant information

ShiftLimit[6],ShiftLimit[7] is6001~15000Kofthe relevant informationregionunder, abovethe relevant information

canthe relevant informationnotsameofhigh,lowcolor temperaturethe relevant informationsettingnotsamesizeofthe relevant information,the relevant informationthe larger the value, the relevant informationregionofthe relevant informationmorethe relevant information,forspeciallight sourceofsupportmorethe relevant information, impactthe relevant informationsceneunderAWBprecision.

GainNormEn

[0, 1]

1

for RGB channelgainperformlimitthe relevant information,canthe relevant informationlowcolor temperature, lowilluminationsceneofthe relevant informationthan,presetenable.

NaturalCastEn

[0, 1]

0

lowcolor temperatureunderAWBthe relevant informationswitch, lowcolor temperatureunderwillthe relevant informationlight sourcecolor.presetclose.

CbCrTrack.Enable

[0, 1]

0

AWBstatisticsrangeandISOofthe relevant informationParameter.

CbCrTrack.CrMax

[0, 16383]

1100

notsameISOunderR/Gmaximum value.

CbCrTrack.CrMin

[0, 16383]

400

notsameISOunderR/Gminimum value.

CbCrTrack.CbMax

[0, 16383]

750

notsameISOunderB/Gmaximum value.

CbCrTrack.CbMin

[0, 16383]

256

notsameISOunderB/Gminimum value.

LumaHist.Enable

[0, 1]

1

notsamebrightnesswhetherenableweight,presetenable.

LumaHist.OpType

[0, 1]

0

Automatic mode:AWBautomaticthe relevant informationweight.Manual mode:usercanthe relevant informationsettingbrightnessthe relevant informationandweight.

LumaHist.HistThres

[0, 255]

16

brightnessthe relevant informationofthreshold(Manual modeundervalid).

HistThresh[0] fixedis0, HistThresh[5]fixedis255. HistThresh [i+1]the relevant informationgreater thanHistThresh[i].

LumaHist.HistWt

[0, 512]

32

brightnessthe relevant informationofweight(Manual modeundervalid).

AWBZoneWtEn

[0, 1]

0

frameareaweightswitch.recommendinthe relevant informationlensorthe relevant informationdeviceenable, avoiditsthe relevant informationareaofthe relevant information.

ZoneWt

[0, 255]

8

32x32frameweight.canthe relevant informationwillframeofthe relevant informationrangetunehighweight.

Tolerance

[0, 255]

2

AWBadjustofthe relevant informationdifferencerange, the relevant informationdifferenceinthisrangethe relevant informationwhen,AWBnotdoadjust.

ZoneRadius

[0, 255]

16

AWBstatisticsthe relevant informationregionofsize.thisthe smaller the value, AWBprecisionmorehigh,butwillreducelow AWBalgorithmthe relevant informationproperty.

CurveLLimit

[0, 1024]

320

AWBcolor temperaturecurveofthe relevant informationlimit(R/G,B/G), asAWBanalysisFigureofthe relevant informationunderthe relevant informationcolorthe relevant information.

CurveRLimit

[512, 16383]

768

AWBcolor temperaturecurveofthe relevant informationlimit(R/G,B/G), asAWBanalysisFigureofthe relevant informationabovethe relevant informationcolorthe relevant information.

ExtraLightEn

[0, 1]

0

whetherenablethe relevant informationlight source.

LightInfo.WhiteRgain

[0, 16383]

1024

speciallight sourcepointofRchannelgain.

LightInfo.WhiteBgain

[0, 16383]

1024

speciallight sourcepointofBchannelgain.

LightInfo.ExpQuant

[0, 4095]

1024

according tothe relevant informationinbrightnessdodetermine.

ExpQuant isenableofbrightnesslimitthe relevant information,exampleas

ExpQuant = 6, TableindicateLV6usingunderenablethisWBlight sourcepoint(generallythe relevant informationisLV6usingunder)

ExpQuant =106 TableindicateLV6aboveenable

ExpQuant =112 TableindicateLV12aboveenable(LV12generallyisthe relevant information)

LightInfo.Status

[0, 2]

0

speciallight sourcepointofthe relevant information,

0:notthe relevant information

1:the relevant informationlight sourcepoint

2:the relevant informationlight sourcepointthe relevant informationofthe relevant information.

LightInfo.Radius

[0, 255]

8

speciallight sourcepointofareasize.

InOrOut.Enable

[0, 1]

1

AWBforscenedothe relevant informationdetermineofParameter.

InOrOut.OpType

[0, 1]

0

determinethe relevant informationoutdoor(automaticormanual).

InOrOut.OutdoorStatus

[0, 1]

0

the relevant informationoroutdoormode(Manual modeunder).

InOrOut.OutThresh

[0, 20]

14

the relevant informationoutdoorofthreshold,brightnessless thanwhen,the relevant informationisthe relevant information,the relevant informationLVthe relevant information15.

InOrOut.LowStart

[0, 65535]

5000

willlowcolor temperatureofweightthe relevant informationlow,lowcolor temperatureregionofthe relevant informationpoint,recommendis5000K.

InOrOut.LowStop

[0, 65535]

4500

willlowcolor temperatureofweightthe relevant informationlow,lowcolor temperatureregionofthe relevant informationpoint,recommendis4500K.

InOrOut.HighStart

[0, 65535]

6500

willhighcolor temperatureofweightthe relevant informationlow,highcolor temperatureregionofthe relevant informationpoint,recommendis6500K.

InOrOut.HighStop

[0, 65535]

8000

willhighcolor temperatureofweightthe relevant informationlow,highcolor temperatureregionofthe relevant informationpoint,recommendis8000K.

InOrOut.bGreenEnhanceEn

[0, 1]

1

inthe relevant informationcolorthe relevant informationsceneunder,forthe relevant informationcolorchannelincreaseofswitch.

InOrOut.OutShiftLimit

[0, 255]

32

whenthe relevant informationisthe relevant informationscenewhen,AWBalgorithmofthe relevant informationpointrangelimitthe relevant information.

MultiLightSourceEn

[0, 1]

1

AWBdetectioncurrentscenewhetheristhe relevant informationlight source,the relevant informationadjustsaturationorCCM.

MultiLSType

[0, 1]

0

adjustsaturationorthe relevant informationCCM.

MultiLSScaler

[0, 256]

256

whenthe relevant informationlight sourceunderadjustsaturationorCCMofstrength.

MultiCTBin

[0, 65535]

5000

color temperaturethe relevant informationParameter,the relevant informationisthe relevant information.

MultiCTWt

[0, 1024]

256

color temperaturethe relevant informationweight.

FineTunEn

[0, 1]

1

AWBspecialcolordetectionswitch, exampleasskin tone.

FineTunStrength

[0, 255]

128

skin tone, the relevant informationcoloretc.specialcolordetectionofstrength.

stSkin.u8Mode

[0, 1]

0

skin tonedetectionswitch

stSkin.u16RgainDiff

[0, 65535]

0

skin toneRgainthe relevant information

stSkin.u16BgainDiff

[0, 65535]

0

skin toneBgainthe relevant information

stSkin.u8Radius

[0, 255]

0

skin toneareasize

stSky.u8Mode

[0, 2]

0: notforrangethe relevant informationpointperformspecialprocess

1: willthe relevant informationrangethe relevant informationofpointthe relevant information, that isnotthe relevant information

2: the relevant informationpointRadiusrangethe relevant informationRgainandBgainisMapRgainandMapBgain

0

the relevant informationpointprocessmode

stSky.u8ThrLv

[0, 255]

0

brightnessthreshold,afterprocesspointthe relevant informationgreater thancurrentLv

stSky.u16Rgain

[0, 65535]

0

afterprocesspointofthe relevant informationpointR gain

stSky.u16Bgain

[0, 65535]

0

afterprocesspointofthe relevant informationpointB gain

stSky.u16MapRgain

[0, 65535]

0

the relevant informationpointR gain Radiusrangethe relevant informationofpointthe relevant informationcurrentRgain

stSky.u16MapBgain

[0, 65535]

0

the relevant informationpointB gain Radiusrangethe relevant informationofpointthe relevant informationcurrentBgain

stSky.u8Radius

[0, 255]

0

usingR gain, B gainisthe relevant informationpointofareasize

stCtLv.bEnable

[0, 1]

0

according tobrightnessthe relevant informationcolor temperatureweightswitch

stCtLv.au16MultiCTBin

[0, 65535]

2300, 2800, 3500, 4800, 5500, 6300, 7000, 8500

color temperaturethe relevant informationParameter,the relevant informationisthe relevant information

stCtLv.s8ThrLv

[-128, 127]

1, 5, 9, 13

brightnessthe relevant informationthreshold

stCtLv.au16MultiCTWt

[0, 1024]

64, 256, 256, 256, 256, 512, 512, 256

color temperaturethe relevant informationweight

stShiftLv.u8LowLvMode

[0, 1]

1

lowthe relevant informationsceneadjustmentvalidrangeswitch

stShiftLv.u16LowLvCT

[0x0,0xff] 0xff isthe relevant informationareaadjust

1: lowcolor temperaturecalibrationthe relevant informationunderwayarea

2: lowcolor temperaturecalibrationthe relevant informationabovewayarea

4: the relevant informationcolor temperature1calibrationthe relevant informationunderwayarea

8: the relevant informationcolor temperature1calibrationthe relevant informationabovewayarea

16: the relevant informationcolor temperature2calibrationthe relevant informationunderwayarea

32: the relevant informationcolor temperature2calibrationthe relevant informationabovewayarea

64: highcolor temperaturecalibrationthe relevant informationunderwayarea

128: highcolor temperaturecalibrationthe relevant informationabovewayarea

1, 192

lowbrightnessadjustthe relevant informationcalibrationthe relevant informationofvalidrangeofarea

stShiftLv.u16LowLvThr

[0, 65535]

15, 15

lowbrightnessadjustvalidrangeofbrightnessthreshold

stShiftLv.u16LowLvRatio

[0, 65535]

150, 30

lowbrightnessvalidrangeadjustmentratio(ratio/100)

stShiftLv.u8HighLvMode

[0, 1]

1

highlightsceneadjustmentvalidrangeswitch

stShiftLv.u16HighLvCT

[0x0,0xff]

0xff isthe relevant informationareaadjust

1: lowcolor temperaturecalibrationthe relevant informationunderwayarea

2: lowcolor temperaturecalibrationthe relevant informationabovewayarea

4: the relevant informationcolor temperature1calibrationthe relevant informationunderwayarea

8: the relevant informationcolor temperature1calibrationthe relevant informationabovewayarea

16: the relevant informationcolor temperature2calibrationthe relevant informationunderwayarea

32: the relevant informationcolor temperature2calibrationthe relevant informationabovewayarea

64: highcolor temperaturecalibrationthe relevant informationunderwayarea

128: highcolor temperaturecalibrationthe relevant informationabovewayarea

3, 0

highbrightnessadjustthe relevant informationcalibrationthe relevant informationofvalidrangeofarea

stShiftLv.u16HighLvThr

[0, 65535]

15, 15

highbrightnessadjustvalidrangeofbrightnessthreshold

stShiftLv.u16HighLvRatio

[0, 65535]

300, 100

highbrightnessvalidrangeadjustmentratio(ratio/100)

stRegion.u16Region1

[0, 65535]

3900

Low, Mid1color temperatureareathe relevant informationpoint

stRegion.u16Region2

[0, 65535]

4300

Mid1, Mid2color temperatureareathe relevant informationpoint

stRegion.u16Region3

[0, 65535]

6600

Mid2, Highcolor temperatureareathe relevant informationpoint

adjBgainMode

[0, 255]

1: lowcolor temperaturearea

4: the relevant informationcolor temperature2area

8: highcolor temperaturearea

0

the relevant informationtunethe relevant informationandwhite balanceB gainthe relevant informationpointofthe relevant informationinarea

Parameter:

canthe relevant information WB Info page, the relevant informationcurrentofAWBinformation

Parameter

Value Range

Default Value

Description

Rgain

[0, 16383]

0

AWB current frame ofRchannelgaincoefficient

Ggain

[0, 16383]

0

AWB current frame ofGchannelgaincoefficient.

Bgain

[0, 16383]

0

AWB current frame ofBchannelgaincoefficient.

ColorTemp

[0, 65535]

0

AWB the relevant informationcurrentenvironmentofcolor temperature.

5.5.2.3. Tuning Steps

incalibrationcompletethe relevant information, the relevant informationstandardlight sourceunderAWBprecision, verifyimagecolorwhetherthe relevant information.ifthe relevant informationcolor, the relevant informationneedthe relevant informationusingunderParameterthe relevant informationwhetherreasonable.

Step 1. detectioncolor temperaturewhetherin[LowColorTemp, HighColorTemp]rangethe relevant information, ifnotin, adjustcolor temperatureaboveunderlimit.

Step 2. open Tuning Tools ofAWBanalysisinterface(Extra Utilities->3A Analyser ->AWB), the relevant informationcolorpointwhetherincurrentParameterthe relevant informationofthe relevant informationcolorareathe relevant information, ifnotin, adjustParameter ShiftLimit, the relevant informationcolorarea, willitsthe relevant information.

_images/Module014.png

inAWBanalysisFigurethe relevant information, the relevant informationcolorthe relevant informationisitemthe relevant informationAWBcolor temperaturecurveofrange, inthe relevant informationofisAWBcolor temperaturecurve(byautomaticcalibrationwhenproduce), the relevant informationunderandthe relevant informationaboveofthe relevant informationisCurveLLimit, CurveRLimit.the relevant informationcolorofpointisAWBframethe relevant informationis32x32when, the relevant informationregionofR/G, B/G.wheninstandardofcorrectionthe relevant informationunder, the relevant informationpartofthe relevant informationcolorpointthe relevant informationwillthe relevant informationinthe relevant informationcolorcolor temperaturecurverangethe relevant information.

_images/Module015.png

Step 3. iflenshasthe relevant informationcolorthe relevant information, orthe relevant informationspecialapplicationcanwillAWBZoneWtEn weightopen, andthe relevant informationcorrespondingweightsize.

Step 4. ifhasspecialoflight sourceneedthe relevant informationorthe relevant information, ExtraLightEnopenthe relevant informationhasthe relevant informationlight sourcecansetting, setthe relevant informationforofRgain, BgainandRadius, Staus(setis1when, willincreasethislight sourcepoint, usingthe relevant informationthislight sourceunderAWB, setis2when, the relevant informationthislight source, canthe relevant informationdecreaseexampleasthe relevant information, skin toneofthe relevant information)the relevant informationthat iscaninAWBanalysisFigurethe relevant informationorthe relevant informationofthe relevant information.

Step5. the relevant informationcolor temperatureweightParameterthe relevant information: the relevant informationParameterofthe relevant informationrangethe relevant information: LowStop < LowStart < HighStart < HighStop.usingunderFigureisexample

LowStopis3800K, LowStartis5000K, HighStartis6200K, HighStopis7200K, generallyweightis32,outdoorcolor temperaturethe relevant informationhighweightis256

_images/Module016.png

Step6. inthe relevant informationlight sourcescenethe relevant informationcolor temperatureweightthe relevant informationAWB, notdosaturationorCCMadjust, canwillMultiLightSourceEnopen, MultiLSTypeselectsaturation(SAT), MultiLSScalersetis256.

Step7. FineTunEn open, AWB willautomaticdetectionskin toneetc.specialcolor, the relevant informationskin tonescene AWB Tablethe relevant information, the relevant informationhigh AWB precision.butcanthe relevant informationinlowcolor temperaturelight sourceunderthe relevant information, the relevant informationimagethe relevant information.FineTunStrength adjustskin tonedetectionofstrength, the relevant informationthe larger the value, skin tonescene AWB Tablethe relevant informationmorethe relevant information, butthe relevant informationwhenofthe relevant informationthe more obvious.the relevant informationDefault Value 128.

— End

5.6. BNR

5.6.1. BNR Tuningmethod

5.6.1.1. Function Description

BNRmainlythe relevant informationinBayer domainperformthe relevant informationdomainnoise reductionprocess.fornotsameofsensorthe relevant informationnoisethe relevant informationpropertyofnoise reductionthe relevant information.Key Parametersofthe relevant informationadjustnoise reductionstrengthandnoisethe relevant informationofthe relevant informationproperty.insuppressionnoiseofsamewhen, the relevant informationimagetextureedge.andforwiththe relevant informationnoisehasthe relevant informationofthe relevant information, becausethisthe relevant informationhighimageresultofthe relevant informationthanandoverallthe relevant information.

5.6.1.2. Key Parameters

Table 5.9 BNRKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

BNRmoduleEnabled.

0: close.

1: Enabled.

OpType

[0, 1]

0

BNRoperationtype.

0: Automatic mode (OP_TYPE_AUTO).

1: Manual mode (OP_TYPE_MANUAL).

PreFilterEnable

[0, 1]

1

prefilteringprocessEnabled.

PreFilterModeSel

[0, 1]

1

prefilteringmodeselect.PreFilterEnable = 1whentake effect.set0when, prefilteringeffectthe relevant information.

Filter1GaussianCurveR

[0, 1023]

[0, 1, 2, 3, 4, 5]

Filter1inRchanneloverallfilteringstrength.the larger the value, the stronger the filteringstrengthmorethe relevant information, noise reductioneffectthe more obvious.LUTvaluemaintains an increasing trend.

Filter1GaussianCurveGR

[0, 1023]

[0, 1, 2, 3, 4, 5]

Filter1inGRchanneloverallfilteringstrength.the larger the value, the stronger the filteringstrengthmorethe relevant information, noise reductioneffectthe more obvious.LUTvaluemaintains an increasing trend.

Filter1GaussianCurveGB

[0, 1023]

[0, 1, 2, 3, 4, 5]

Filter1inGBchanneloverallfilteringstrength.the larger the value, the stronger the filteringstrengthmorethe relevant information, noise reductioneffectthe more obvious.LUTvaluemaintains an increasing trend.

Filter1GaussianCurveB

[0, 1023]

[0, 1, 2, 3, 4, 5]

Filter1inBchanneloverallfilteringstrength.the larger the value, the stronger the filteringstrengthmorethe relevant information, noise reductioneffectthe more obvious.LUTvaluemaintains an increasing trend.

Filter1LumaOffsetR

[0, 1023]

[0, 2, 3, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9]

according to differentbrightness, adjustmentFilter1inRchannel filteringstrength.

Filter1LumaOffsetGR

[0, 1023]

[0, 2, 3, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9]

according to differentbrightness, adjustmentFilter1inGRchannel filteringstrength.

Filter1LumaOffsetGB

[0, 1023]

[0, 2, 3, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9]

according to differentbrightness, adjustmentFilter1inGBchannel filteringstrength.

Filter1LumaOffsetB

[0, 1023]

[0, 2, 3, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9]

according to differentbrightness, adjustmentFilter1inBchannel filteringstrength.

Filter2GaussianCurveR

[0, 1023]

[0, 1, 2, 3, 4, 5]

Filter2inRchanneloverallfilteringstrength.the larger the value, the stronger the filteringstrengthmorethe relevant information, noise reductioneffectthe more obvious.LUTvaluemaintains an increasing trend.

Filter2GaussianCurveGR

[0, 1023]

[0, 1, 2, 3, 4, 5]

Filter2inGRchanneloverallfilteringstrength.the larger the value, the stronger the filteringstrengthmorethe relevant information, noise reductioneffectthe more obvious.LUTvaluemaintains an increasing trend.

Filter2GaussianCurveGB

[0, 1023]

[0, 1, 2, 3, 4, 5]

Filter2inGBchanneloverallfilteringstrength.the larger the value, the stronger the filteringstrengthmorethe relevant information, noise reductioneffectthe more obvious.LUTvaluemaintains an increasing trend.

Filter2GaussianCurveB

[0, 1023]

[0, 1, 2, 3, 4, 5]

Filter2inBchanneloverallfilteringstrength.the larger the value, the stronger the filteringstrengthmorethe relevant information, noise reductioneffectthe more obvious.LUTvaluemaintains an increasing trend.

Filter2LumaOffsetR

[0, 1023]

[0, 2, 3, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9]

according to differentbrightness, adjustmentFilter2inRchannel filteringstrength.

Filter2LumaOffsetGR

[0, 1023]

[0, 2, 3, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9]

according to differentbrightness, adjustmentFilter2inGRchannel filteringstrength.

Filter2LumaOffsetGB

[0, 1023]

[0, 2, 3, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9]

according to differentbrightness, adjustmentFilter2inGBchannel filteringstrength.

Filter2LumaOffsetB

[0, 1023]

[0, 2, 3, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9]

according to differentbrightness, adjustmentFilter2inBchannel filteringstrength.

NrBlendWt

[0, 16]

8

controlFilter1andFilter2offusionratio.the larger the value, more biased towardFilter2.

5.6.1.3. Tuning Steps

indoParametertuningbefore, firstverify Table 5.10 listedmodulealreadythroughcompletetuning, andKey ParametersofDefault Valuethe relevant information Table 5.9 to configure.

Table 5.10 BNRpretuningofrelatedmodule

module

status/value

BLC

Tuned

DPC

Tuned

CrossTalk Removal

Tuned

AWB

Tuned

Demosaic

Tuned

CCM

Tuned

Gamma

Tuned

LDCI

Tuned

DCI

Tuned

PreSharpen

Tuned

3DNR

Tuned

Sharpen

Tuned

Step 1. adjustmentFilter1andFilter2ofoverallstrength.relatedParameterincluding Filter1GaussianCurveR/GR/GB/B , Filter2GaussianCurveR/GR/GB/B.the relevant information, the relevant informationinthe relevant informationdetailofthe relevant informationunder, noisethe relevant informationminimumthe relevant information.byinBNRthe relevant informationinbayerdomainofnoise reduction, the relevant informationpartnoise reductionadjustthe relevant informationthisusingthe relevant informationdetailisthe relevant information.

Step 2. according tobrightnessadjustFilter1andFilter2ofstrength.relatedParameterincluding Filter1LumaOffsetR/GR/GB/B , Filter2LumaOffsetR/GR/GB/B.usingFilter1LumaOffsetRisexample, Filter1LumaOffsetR[0]~Filter1LumaOffsetR[16]Tableindicateasbrightnessthe relevant information, the relevant informationbrightnessundernoise reductionstrength.generallyParameterthe relevant informationtunethe relevant informationoftrend.the relevant informationnoise reductionstrengththe relevant information, mainlythe relevant informationoverallnoise reductionstrengthofimpact.brightnessmorethe relevant information, noise reductionstrengthmorethe relevant information.as Figure 5.13 as shown.among themthe relevant informationTableindicatecurrentpointofbrightnessthe relevant information; the relevant informationThr1morethe relevant information, Tableindicatenoise reductionstrengthmorethe relevant information.

_images/Module080.png

Figure 5.13 brightness-Thr1trendFigure

Filter1andFilter2ofthe relevant informationstrengthbyStep1, Step2ofsettingthe relevant informationsamedetermine.as Figure 5.14 as shown.among themthe relevant informationTableindicatecurrentpointandthe relevant informationpointofthe relevant information, the larger the value, Tableindicatethe relevant informationmorelow; the relevant informationTableindicatereferencethe relevant informationpointofratio, the larger the valuereferencethe relevant informationpointofratiomorethe relevant information.the relevant informationnotcantune, the relevant informationThr[i] = Thr1 + Filter1GaussianCurveR[i](i = 0 ~ 5)(usingFilter1ofRchannelnoise reductionstrengthisexample, itsthe relevant informationchannelandFilter2ofstrengthandthe relevant information ).

_images/Module0080.png

Figure 5.14 diff-weightingtrendFigure

generallyandthe relevant information, mainlyreferencethe relevant informationhighofpointthe relevant informationdonoise reductionprocess.whenThrsetthe relevant informationwhen, the relevant informationlowofpointthe relevant informationofweighting, fromandthe relevant informationnoise reductionstrengththe relevant information, samewhen, the relevant informationlossdetail.

Step 3. adjust NrBlendWt selectnotsamethe relevant informationofnoise reductionresult.generallyinhighISO, setthe relevant information, the relevant informationFilter2, avoidthe relevant informationnoisethe relevant information.

Step 4. BNRthe relevant informationsupportthe relevant informationlossdetailofFunction.thisFunctionthe relevant informationinLSCmodulethe relevant information.relatedParameterhas NDThr , NDStr .the relevant informationDescriptionrefer to LSC Tuningmethod .

5.7. Demosaic

5.7.1. Demosaic Tuningmethod

5.7.1.1. Function Description

Demosaicmainlythe relevant informationwillBayerimagethe relevant informationRGBimage.the relevant informationcurrentthe relevant informationandthe relevant information, the relevant informationdirectionthe relevant informationFunction, the relevant informationcurrentthe relevant informationofitsthe relevant informationamount.

5.7.1.2. Key Parameters

Table 5.11 DemosaicKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

1

DemosaicmoduleEnabled.

0: close.

1: Enabled.

OpType

[0, 4]

0

Demosaicoperationtype.

0: Automatic mode (OP_TYPE_AUTO).

1: Manual mode (OP_TYPE_MANUAL).

CoarseEdgeThr

[0, 4095]

480

edgethe relevant informationtunedetectionthreshold.the smaller the value, detectionisedgeofnumbermore.recommendthe relevant informationParameter CoarseStr tuning.

CoarseStr

[0, 4095]

128

edgethe relevant informationtunestrengththe relevant information.the smaller the value, morethe relevant informationdirectionpropertyofprocess.conversely, morethe relevant informationNonedirectionpropertyofprocess.

FineEdgeThr

[0, 4095]

400

edgethe relevant informationtunedetectionthreshold.the smaller the value, detectionisedgeofnumbermore.recommendthe relevant informationParameter FineStr tuning.

FineStr

[0, 4095]

40

edgethe relevant informationtunestrengththe relevant information.the smaller the value, morethe relevant informationdirectionpropertyofprocess .conversely, morethe relevant informationNonedirectionpropertyofprocess.

AntiFalseColorEnable

[0, 1]

0

artifact removalcolorFunctionEnabled.

0: close.

1: Enabled.

AntiFalseColorStr

[0, 255]

255

artifact removalcolorstrength, the larger the value, the relevant informationreducesaturationstrengthmorethe relevant information.

SatGainIn[2]

[0, 4095]

[200, 800]

defineLUTofthe relevant information, that isInputthe relevant informationofsaturationsize.

SatGainOut[2]

[0, 4095]

[ 4095, 0]

defineLUTofthe relevant information, that isartifact removalcolorstrengthgain.the larger the value, artifact removalcolorstrengthmorethe relevant information.

ProtectColorEnable

[0, 1]

0

the relevant informationdefinecolorofsaturationprotectionFunctionEnabled.

ProtectColorGainIn[2]

[0, 4095]

[20, 500]

defineLUTofthe relevant information, that isInputthe relevant informationandprotectioncolorthe relevant informationofdegree.

ProtectColorGainOut[2]

[0, 4095]

[0, 4095]

defineLUTofthe relevant information, that isartifact removalcolorstrengthgain.the smaller the value, artifact removalcolorstrengthmorethe relevant information, andInputthe relevant informationmorethe relevant information.

UserDefineProtectColor1

[0, 4095]

960

the relevant informationdefineprotectioncolor 1.

UserDefineProtectColor2

[0, 4095]

560

the relevant informationdefineprotectioncolor2.

UserDefineProtectColor3

[0, 4095]

960

the relevant informationdefineprotectioncolor3.

EdgeGainIn[2]

[0, 4095]

[150, 200]

defineLUTofthe relevant information, that isedgedetectionsize.

EdgeGainOut[2]

[0, 4095]

[0, 4095]

defineLUTofthe relevant information, that isartifact removalcolorstrengthgain.the larger the value, artifact removalcolorstrengthmorethe relevant information.

DetailGainIn[2]

[0, 4095]

[10, 150]

defineLUTofthe relevant information, that isdetaildetectionsize.

DetailGainOut[2]

[1, 4095]

[0, 4095]

defineLUTofthe relevant information, that isartifact removalcolorstrengthgain.the larger the value, artifact removalcolorstrengthmorethe relevant information.

DetailDetectLumaEnable

[0, 1]

1

according tobrightnessadjustdetaildetectionstrengthFunctionEnabled.

0: close.

1: Enabled.

DetailDetectLumaStr

[0, 4095]

480

according tobrightnessadjustdetaildetectionstrength.recommendthe relevant informationDetailGainthe relevant informationtunethe relevant information.

DetailSmoothEnable

[0, 1]

0

detailsmoothFunctionEnabled.

0: close.

1: Enabled.

DetailSmoothStr

[0, 255]

0

detailsmoothstrength.the larger the value, smoothstrengththe stronger.

DetailWgtThr

[0, 255]

0

detailsmoothrangethreshold.the smaller the value, detailsmooththe relevant informationofrangemorethe relevant information.

DetailWgtMin

[0, 256]

0

detailsmoothstrengththe relevant informationminimumgain.

DetailWgtMax

[0, 256]

256

detailsmoothstrengththe relevant informationmaximumgain.

DetailWgtSlope

[0, 1024]

256

detailsmoothstrengththe relevant information.the larger the value, detailsmoothstrengththe stronger.64is 1x gain.

EdgeWgtThr

[0, 255]

160

edgesmoothrangethreshold.the smaller the value, edgesmooththe relevant informationofrangemorethe relevant information.

EdgeWgtMin

[0, 256]

0

edgesmoothstrengththe relevant informationminimumgain.

EdgeWgtMax

[0, 256]

256

edgesmoothstrengththe relevant informationmaximumgain.

EdgeWgtSlope

[0, 1024]

256

edgesmoothstrengththe relevant information.the larger the value, edgesmoothdegreethe stronger.64is 1x gain.

DetailSmoothMapTh

[0, 255]

0

detailsmoothstrengththe relevant informationrangethreshold.the smaller the value, edgesmooththe relevant informationofrangemorethe relevant information.

DetailSmoothMapMin

[0, 256]

0

detailsmoothstrengththe relevant informationminimumthe relevant information.

DetailSmoothMapMax

[0, 256]

256

detailsmoothstrengththe relevant informationmaximumthe relevant information.

DetailSmoothMapSlope

[0, 1024]

256

detailsmoothstrengththe relevant information.the larger the value, detailsmoothstrengththe stronger.64is 1x gain.

SharpenGain

[0, 255]

0

forCFAOutputofRGBFigurethe relevant informationofsharpeningstrength, the larger the value, sharpeningthe stronger, 32is 1x gain.

5.7.1.3. Tuning Steps

_images/Module020.png

indoParametertuningbefore, firstverifyTable 4‑12listedmodulealreadythroughcompletetuning, andKey ParametersofDefault Valuethe relevant information Table 5.11 to configure.

Table 5.12 Demosaicpretuningofrelatedmodule

module

status/value

BLC

Tuned

DPC

Tuned

CrossTalk Removal

Tuned

AWB

Tuned

BNR

Tuned

3DNR

Tuned

Noise Profile

Set

Step 1. the relevant information, adjustmentedgethe relevant informationtunedetectionthreshold CoarseEdgeThr determineedgerange.the smaller the value, determineis the relevant informationedge ofnumbermore.samewhenthe relevant informationwhenthe relevant informationadjustmentedgethe relevant informationtunestrengththe relevant information CoarseStr the relevant informationdetermineimageoftexturedirectionpropertyofdetermineandusingreducelowthe relevant informationedgedothe relevant informationdirectionthe relevant informationofzipper effect, usingobtainthe relevant informationof the relevant informationtexture direction.

Module053 tuningprinciple: recommendfrom CoarseEdgeThr and CoarseStr ofDefault Valuethe relevant informationtuningParameter.the relevant informationinDefault Valueofsettingunder, the relevant informationimageofedgeofthe relevant informationandoverallsharpness.(recommendTV10usingthe relevant information CoarseStr adjust,the relevant informationhighofthe relevant information FineEdgeThr adjust)

Step 2. the relevant information, adjustmentedgethe relevant informationtunedetectionthreshold FineEdgeThr determineedgerange.the smaller the value, determineis the relevant informationedge ofnumbermore.samewhenadjustmentedgethe relevant informationtunestrength FineStr , determineimageoftexturedirectionpropertyofdetermine, usingobtainthe relevant informationoftexturedirectionverify.recommendthe relevant informationSiemens Chart/ISO12233the relevant informationhighthe relevant informationregiondirectionthe relevant informationpropertythe relevant informationadjust, iftunehighParameterthe relevant informationhasobtainthe relevant information, needthe relevant information CoarseEdgeThr whethersetthe relevant information, canwill CoarseEdgeThr tunehighthe relevant informationeffect.

Module054Module055

Module053 tuningprinciple: andStep1oftunethe relevant informationprinciplethe relevant informationsame, the relevant informationuseParameter FineEdgeThr and FineStr ofDefault Valuethe relevant informationitemthe relevant informationimageresult.the relevant informationaccording toRequirementsthe relevant informationadjust FineEdgeThr and FineStr .

Step 3. throughtuningParameter AntiFalseColorStr the relevant informationcontrolartifact removalcolorofstrength.samewhen, adjustment SatGainIn[2] and SatGainOut[2] the relevant informationforlowsaturationofareathe relevant informationcolor.forthe relevant informationcolorofhighthe relevant informationarea, canadjustment EdgeGainIn[2] and EdgeGainOut[2] the relevant informationadjuststrength, andthe relevant informationdefinethe relevant informationprotectionofcolor UserDefineProtectColor1 ~ UserDefineProtectColor3 , avoidthe relevant informationwhenthe relevant informationcolorthe relevant information, itsstrengthcanadjustment ProtectColorGainIn[2] and ProtectColorGainOut[2] the relevant informationcontrol.

Module053 tuningprinciple: artifact removalcolorofrelatedParametercanthe relevant informationuseDefault Value, andthe relevant informationRequirementsdothe relevant informationtune.

Step 4. throughtuningParameter DetailSmoothStr the relevant informationdecreaseDemosaicbyinthe relevant informationsensorthe relevant informationpropertyandnoiseetc.becausethe relevant information, impactdirectionofdetermine, inperformthe relevant informationwhenthe relevant informationofthe relevant informationdetail, the relevant informationinheightthe relevant informationofthe relevant informationtexturearea.the relevant informationdetailsuppressionFunctioncanthe relevant informationdetailetc.Tablethe relevant information. DetailSmoothStr morethe relevant information, detailsmoothFunctionthe stronger, butincreasethe relevant informationwillthe relevant informationdetailloss.as Figure 5.15 as shown, inperformdetailsmoothofsamewhen, throughParameter DetailWgtThr and DetailWgtSlope respectivelydeterminedetailsmoothofrangeandstrength, andandusing DetailWgtMin and DetailWgtMax controldetailsmoothdegreeofaboveunderlimit.the relevant information, as Figure 5.16 as shown, canadjustmentParameter EdgeWgtThr and EdgeWgtSlope according toedgestrengthrespectivelydeterminesmooththe relevant informationrangeandstrengthand EdgeWgtMin and EdgeWgtMax controlsmoothstrengthofaboveunderlimit.

_images/Module021.png

Module053 tuningprinciple: DetailSmoothEnable Default Valueis0, that isclosesmoothFunction.hasthe relevant informationofusercanwill DetailSmoothEnable Enabled, andselect DetailSmoothStr the relevant informationtuningsmoothstrength, itsthe relevant informationsmoothstrengthofrelatedParameterthe relevant informationusingDefault Valueisthe relevant information, the relevant informationwhenthe relevant informationtune.

_images/Module022.png

Figure 5.15 detailsmoothwhenofdetailsizeDetailandsmoothstrengthDetailWgtofthe relevant informationcurve

_images/Module023.png

Figure 5.16 edgesmoothwhenofedgestrengthandsmoothstrengthEdgeWgtofthe relevant informationcurve

— End

5.8. WDR

5.8.1. WDR Tuningmethod

5.8.1.1. Function Description

dynamic rangethe relevant informationscenethe relevant informationandthe relevant informationofbrightnessdifferencerange, dynamic rangemorethe relevant informationTablescenethe relevant informationbrightnessofthe relevant informationmorethe relevant information.generallythe relevant informationscenethe relevant informationofdynamic rangethe relevant informationisgenerallyimagethe relevant informationdevicecanthe relevant informationrangeofnumberthe relevant informationnumberthe relevant informationtimes.becausethisusegenerallyimagethe relevant informationdevicethe relevant informationhighdynamicscenewhen, the relevant informationselectthe relevant informationlowbright area, the relevant informationhighbright areaoverexposure, the relevant informationhighbright areadetail.orthe relevant information, the relevant informationhighbright area, the relevant informationwillthe relevant informationlowbright areaexposurenotthe relevant information, lowthe relevant informationdetailthe relevant informationusingthe relevant information.isthe relevant informationhighdynamic rangesceneofthe relevant informationdetail, needusehighdynamic rangeofimagethe relevant informationdevice, orusethe relevant informationexposureimagefusion.butbyinhighdynamic rangeimagethe relevant informationdevicethe relevant informationandthe relevant informationhigh, limitthe relevant informationitsthe relevant informationproperty.becausethis, the relevant informationofWDRimagegeneratewaythe relevant informationusegenerallythe relevant informationdeviceobtainifthe relevant informationnotsameexposureoffixedsceneimage, the relevant informationWDRalgorithmthe relevant informationfusionthe relevant informationhighdynamic rangeimage. Figure 5.17 usingthe relevant informationWDRisexample, displaythe relevant informationlongexposureframe, the relevant informationexposureframe, andWDRfusionofframe.the relevant informationexposureframethe relevant informationscenethe relevant informationbright areathe relevant information, andlongexposureframethe relevant informationscenethe relevant informationdark areainformation, throughthe relevant informationWDRfusionthe relevant informationobtainhighdynamic rangeofimage.

WDRthe relevant informationhasWDR FusionandMap Curvethe relevant informationmodule.WDR Fusionmoduleofthe relevant informationwillnotsameexposurewhenlongofthe relevant informationimagefusionisthe relevant informationhighdynamic rangeofimage.

fusionthe relevant informationofimageishighthe relevant informationofimage, the relevant informationgenerallydisplaydeviceofdynamic rangethanthe relevant information, isthe relevant informationobtainofwide dynamic rangeimagethe relevant informationofdetail, needuseMap Curve, according tothe relevant informationproperty, the relevant informationdetailofsamewhenforimageofdynamic rangeperformthe relevant information.

_images/im1.png

Figure 5.17 the relevant informationWDReffectFigure

5.8.1.2. Key Parameters

Table 5.13 WDRKey Parameters

Parameter

Value Range

Default Value

Description

OpType

[0, 1]

0

operationtype.

0: Automatic mode (OP_TYPE_AUTO);

1: Manual mode(OP_TYPE_MANUAL).

FusionEnable

[0, 1]

1

WDR FusionEnabled.WDR modeset1; linear modeset0.

FusionMode

[0, 2]

1

selectOutputresult.

0: OutputWDR Fusionofresult;

1: OutputSEresult;

2: OutputLEresult;

LENormBldP0

[0, 4095]

3000

static regionlongthe relevant informationfusionwhen, longthe relevant information, lowinthisthe relevant informationofimage datawillthe relevant informationselectlongexposuredatafusionWDRimage.

LENormBldRange

[0, 4095]

600

static regionlongthe relevant informationfusionwhen, determinethe relevant informationareaofrange.highinLENormBldP0+LENormBldRangeofimage datawillthe relevant informationselectthe relevant informationexposuredatafusionWDRimage.

LEDynmBldP0

[0, 4095]

2560

motionregionlongthe relevant informationfusionwhen, longthe relevant information, lowinthisthe relevant informationofimage datawillthe relevant informationselectlongexposuredatafusionWDRimage.

LEDynmBldRange

[0, 4095]

1024

motionregionlongthe relevant informationfusionwhen, determinethe relevant informationareaofrange.highinLEDynmBldP0+LEDynmBldRangeofimage datawillthe relevant informationselectthe relevant informationexposuredatafusionWDRimage.

MCurveEnable

[0, 1]

1

Map CurveEnabled.WDR modeset1; linear modeset0.

MCurveDelta

[0, 10000]

100

determineMap Curvethe relevant informationofthe relevant information.the smaller the value, the relevant informationthe more obvious.

MCurveX1

[0, 65535]

4088

forinbrightnessgreater thanX1ofbright areadocontrastprotection.the smaller the value, contrastprotectionareamorethe relevant information.

MCurveBldRatio

[0, 10]

0

bright areacontrastprotectiondegree.the smaller the value, protectiondegreemorethe relevant information.

MCurveXMaxRatio

[0, 256]

128

adjustdark areathe relevant informationdegree.128TableindicateMap Curvethe relevant informationautomaticgenerate.less than128when, the smaller the value, dark areathe relevant informationdegreemorethe relevant information.greater than128when, the larger the value, frameoverallthe relevant informationdegreemorethe relevant information.

5.8.1.3. Tuning Steps

indoParametertuningbefore, firstverify Table 5.14 listedmodulealreadythroughcompletetuning, andKey ParametersofDefault Valuethe relevant information Table 5.13 to configure.

Table 5.14 WDRpretuningofrelatedmodule

module

status/value

BLC

Tuned

DPC

Tuned

CrossTalk Removal

Tuned

LSC

Tuned

AWB

Tuned

CCM

Tuned

WDRofTuning Stepscanregionthe relevant informationistuninglongthe relevant informationfusioncurveandMap Curve.

adjustlongthe relevant informationfusioncurve

static regionlongthe relevant informationfusionadjust LENormBldP0 , LENormBldRange , as Figure 5.18 as shown.among them, P1 = LENormBldP0 + LENormBldRange; Weightingthe relevant informationlongthe relevant informationoffusionratio, the larger the value, more biased towardlongthe relevant information.

_images/Module025.png

Figure 5.18 static regionlongthe relevant informationthresholdselect

longthe relevant informationfusiontuningoftargetthe relevant informationframethe relevant informationbright areanotoverexposureanddark areadetailcanthe relevant information.becausethisindark area, that isbrightnessless thanLENormBldP0part of, the relevant informationselectlongthe relevant informationdatafusionWDRimageusingthe relevant informationdark areaofcanthe relevant information; inbright area, that isbrightnessgreater thanP1part, the relevant informationselectthe relevant informationdatafusionWDRimageusingthe relevant informationbright areaofdetailcanthe relevant information.the relevant informationofthe relevant informationlongthe relevant informationfusionofwaythe relevant informationperformfusion.

motionregionlongthe relevant informationfusionadjust LEDynmBldP0 , LEDynmBldRange , andstatic regionthe relevant information.

adjustMap Curve

Map Curvethe relevant informationbrightnessthe relevant informationcurve, as Figure 5.19 as shown.generallythroughadjust MCurveDelta the relevant informationdark area, butthe relevant informationnotthe relevant information, willthe relevant informationhighbright areacontrastloss. dark areathe relevant informationdegreemorethe relevant information, the relevant informationhighbright areaofcontrastlossgenerallywillmorethe relevant information, canthrough MCurveBldRatio , MCurveX1 forcontrastdoprotection. whenMCurveDeltatunethe relevant informationthanthe relevant informationlimitofstatus, butthe relevant informationhighdark areabrightnesswhen, canthe relevant information MCurveXMaxRatio , butneedNotehighbright areadetailloss.

_images/Module0250.png

Figure 5.19 Map Curve

5.9. DRC

5.9.1. Function Description

dynamic rangethe relevant informationscenethe relevant informationandthe relevant informationofbrightnessdifferencerange, dynamic rangemorethe relevant informationTablescenethe relevant informationbrightnessofthe relevant informationmorethe relevant information.butthe relevant informationusegenerallyofimagethe relevant informationdevicethe relevant informationhighdynamicscenewhen, the relevant informationdark areaandbright areaNonethe relevant information.ifdark areacanthe relevant information, highbright areathe relevant informationoverexposure; highbright areadetailthe relevant information, dark areathe relevant information.thismoduleofthe relevant informationwillimageofbrightnessthe relevant informationreasonableofstatus, the relevant informationhighthe relevant informationbrightness, enhancementthe relevant information, the relevant informationdetailofsamewhen, the relevant informationframeofthe relevant informationcontrast.

5.9.2. Key Parameters

Table 5.15 DRC Key Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

DRCmoduleEnabled.

0: close.

1: Enabled.

AdaptiveLowStr

[0, 4095]

4021

controldark areaDRCstrengthofabovelimit.

AdaptiveHighStr

[0, 4095]

100

controlbright areaDRCstrengthofunderlimit.

AdaptiveRatio

[0, 1000]

73

according tobrightnessthe relevant informationcontrolDRCstrengthofthe relevant information, the larger the value, the relevant informationmorethe relevant information.

AutoMode

[0, 1]

0

controlauto drc.

0: closeauto drc.

1: Enabledauto drc.

Strength

[0, 255]

64

controlDRCofoverallstrength.the larger the value, strengththe stronger.

5.9.3. Tuning Steps

indoParametertuningbefore, firstverify Table 5.16 listedmodulealreadythroughcompletetuning, andKey ParametersofDefault Valuethe relevant information Table 5.15 to configure.

Table 5.16 DRCpretuningofrelatedmodule

module

status/value

BLC

Tuned

AWB

Tuned

CCM

Tuned

LSC

Tuned

WDR

Tuned

DRCadjust

DRCmainlythe relevant informationdark areaofbrightness, the relevant informationusing AdaptiveLowStr ofsettingnotless than AdaptiveHighStr , the relevant informationdark areadothe relevant informationofDRC.AdaptiveRatiocontrolthe relevant informationofdark arearange, the larger the value, the relevant informationofdark arearangemorethe relevant information.DRCofoverallstrengthcanthrough Strength control.generallylinear modeunder, isthe relevant informationframeoverallofcontrast, DRCstrengthnotwillsetthe relevant information.the relevant informationinhighISO, isthe relevant informationavoiddark areanoisethe relevant information, the relevant informationnotdoDRC.

5.10. PFR

5.10.1. PFR Tuningmethod

5.10.1.1. Function Description

PFRmainlythe relevant informationimagethe relevant informationofthe relevant information.

5.10.1.2. Key Parameters

Table 5.17 PFRKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

PFRmoduleEnabled.

0: close.

1: Enabled.

OpType

[0, 1]

0

PFRoperationtype.

0: Automatic mode (OP_TYPE_AUTO).

1: Manual mode (OP_TYPE_MANUAL).

HueENLut

[0, 1]

[1, 1]

referencethe relevant informationdefinethe relevant informationHuethe relevant informationEnabled.cansupportthe relevant informationdefinethe relevant informationHuethe relevant information, byHueLutdefine.

0: close.

1: Enabled.

HueLut

[0, 359]

[260, 260]

the relevant informationdefineofthe relevant informationHuethe relevant information.

HueRngLut

[0, 255]

[64, 64]

controlthe relevant informationdefineHuethe relevant informationofrange.the relevant informationrangeofHuethe relevant informationisthe relevant informationdefinethe relevant information.inthe relevant informationrangeusingthe relevant information, andthe relevant informationdefineHuethe relevant informationmorethe relevant information, the relevant informationisthe relevant informationofthe relevant informationmorethe relevant information.the relevant information, willthe relevant informationofcolor; the relevant information, willthe relevant informationnotthe relevant information.

LumaEN

[0, 1]

1

the relevant informationprocesswhen, referencelumainformationFunctionEnabled.the relevant informationandLumainformationrelated, recommendenable.

0: close.

1: Enabled.

UVENLut

[0, 1]

[1, 1]

referencethe relevant informationdefinethe relevant informationUVthe relevant informationEnabled.cansupportthe relevant informationdefinethe relevant informationUVthe relevant information, byULut, VLutdefine.

0: close.

1: Enabled.

ULut

[0, 255]

[175, 144]

the relevant informationdefineofthe relevant informationUthe relevant information.

VLut

[0, 255]

[144, 175]

the relevant informationdefineofthe relevant informationVthe relevant information.

EdgThLut

[0, 255]

[8, 12, 16, 32]

according totexturesizedothe relevant information, usingthisfindcorrespondingEdge Weigting.

5.10.1.3. Tuning Steps

indoParametertuningbefore, firstverify Table 5.18 listedmodulehas been adjusted toreasonableofstatus, andKey ParametersofDefault Valuethe relevant information Table 5.17 to configure.

Table 5.18 PFR pretuningofrelatedmodule

module

status/value

WDR

Tuned (if enable)

BLC

Tuned

AWB

Tuned

DPC

Tuned

CrossTalk Removal

Tuned

BNR

Tuned

LSC

Tuned

DRC

Tuned

Demosaic

Tuned

CCM

Tuned

Gamma

Tuned

Dehaze

Tuned (if enabled)

CLUT

Tuned (if enabled)

LDCI

Tuned

DCI

Tuned

3DNR

Tuned

Step 1. PFRmodulesupportaccording toUVthe relevant information, Huethe relevant informationdefinethe relevant informationneedthe relevant informationofthe relevant information.

  • UVthe relevant information: relatedParameterhas UVENLut , ULut , VLut, UVthe relevant informationdefinethe relevant informationmorethe relevant information, the relevant informationisthe relevant informationofcanthe relevant informationpropertymorethe relevant information, processstrengthmorethe relevant information, the relevant informationnotdoprocess.

  • Huethe relevant information: relatedParameterhas HueENLut , HueLut , HueRngLut, Huethe relevant informationdefinethe relevant informationrange, the relevant informationisnotthe relevant information, notdoprocess.rangethat isbyHueRngLutdefine.inrangeusingthe relevant information, the relevant informationdefinethe relevant informationmorethe relevant information, the relevant informationisthe relevant informationofcanthe relevant informationpropertymorethe relevant information, processstrengththe stronger.the relevant information, inforthe relevant informationdocorrectionwhen, the relevant informationdefinethe relevant informationmorethe relevant informationofpoint, referenceweightwillmorethe relevant information.

Note: UVthe relevant information/Huethe relevant informationofdefineneedaccording toPFR inputofinformationdetermine.PFRafterwardofcolorprocessmodule, thanas: CCM, CLUT, CNRetc., canthe relevant informationwillimpactUVthe relevant informationofamountthe relevant informationresult, the relevant informationpointdeterminethe relevant informationdifference, the relevant informationandthe relevant informationeffectnotthe relevant information.

Step 2. byinthe relevant informationpartthe relevant informationinthe relevant informationedgethe relevant information, becausethisneededgeinformationthe relevant informationdeterminethe relevant informationofposition, the relevant informationhasthe relevant informationinthe relevant information, the relevant informationhasthe relevant informationinreducelowthe relevant informationflat regionandandthe relevant informationcolorofregionthe relevant information.PFRmodulethe relevant informationParameter EdgThLut , according to differentstrengthofedgeinformationsettingnotsameofEdge Weighting.Edge Weightingmorethe relevant information, the relevant informationisthe relevant informationofcanthe relevant informationpropertymorethe relevant information.as Figure 5.20 as shown.

_images/Module0260.png

Figure 5.20 edgestrength-Edge WeightingtrendFigure

5.11. CCM

5.11.1. CCM Calibrationmethod

5.11.1.1. Environment and Equipment Preparation

the relevant informationusingunderStepperformCCM Calibration:

  • capturedevicethe relevant information: standardX-Rite 24color chart, illuminationis600Luxthe relevant informationlight source(the relevant informationlight source, light sourceandcolor chartthe relevant informationofthe relevant informationin25the relevant information45the relevant information), IPC.

  • adjustAEtargetbrightness, PQ Tooldisplaypageaboveviewnumber20color patchofGthe relevant informationin201the relevant information, number21color patchofGthe relevant informationin163the relevant informationTableindicateexposurethe relevant information.

  • capturethe relevant informationpropertythe relevant informationRAWimage, the relevant informationIPCoflensshadingdegree.Lens shadingthe relevant informationwhen, needthe relevant informationcalibrationshadingcoefficient, 24color chartimageneedthe relevant informationperformshadingcorrectionthe relevant information, inperformCCM Calibration.

5.11.1.2. CCMCalibration Tool Interface

captureimagethe relevant information, will ISP Calibration ToolofmainFunctionthe relevant informationswitchthe relevant information CCM, that iscanthe relevant information CCM Calibrationofinterface, as Figure 5.21 as shown. CCM Calibrationtoolmainlycanthe relevant informationisthe relevant informationpart:

  • control area: performCCM CalibrationwhenofmainlyFunction (the relevant informationcolorthe relevant informationarea).

  • display area: displayinput image (the relevant informationcolorthe relevant informationarea).

_images/Module030.png

Figure 5.21 CCMCalibration Tool Interface

CCMCalibration Tool InterfaceofcalibrationParametercontain:

  • importBLCcorrectionParameter.

  • importLSCcorrectionParameter.

  • ISP Gamma.

  • LABreferencethe relevant information.

  • 6x4color patchweighttable, respectivelycorresponding24color patchofposition.Value Rangeis1.0the relevant information16.0ofthe relevant informationpointnumber.

  • CCMthe relevant informationcorrectionbutton.

  • OutputCCMcorrectionresult.

5.11.1.3. CCM CalibrationStep

the relevant informationusingunderStepperformCCM Calibration:

Step 1. inCalibration ToolofmaininterfaceimportneedperformCCM CalibrationofRAWdata.

Step 2. import24color chartofRAWimage.

Step 3. the relevant information24colorarea.

Step 4. the relevant informationcalibrationParameter (GAMMA, LAB, color patchweight).

Step5. clickCCM Calibrationbuttonperformcalibration, obtainCCMresult.

specialDescription:

  • PQtoolcanthroughyuvimagecompleteforCCMofcalibration, itscalibrationframeasFigure Figure 5.22 as shown, itsoperationflowsameabovethe relevant information, butnotthe relevant informationneedimportBLCandLSC Calibrationdatathe relevant information.

_images/Module059.png

Figure 5.22 CCM Calibrationyuvtool interface

5.11.2. CCM Tuningmethod

5.11.2.1. Function Description

generallythe relevant information, the relevant informationforinthe relevant informationofthe relevant information, andsensor RGBthe relevant informationcolorthe relevant informationamountforthe relevant informationofthe relevant informationhasthe relevant informationdifferenceof.isthe relevant informationofframeandthe relevant informationaboveofcolorthe relevant information, the relevant informationcanthroughthe relevant informationcolorcorrectionthe relevant informationcorrectionthe relevant informationofthe relevant informationandthe relevant informationstrength.CCM Calibrationtoolsupportfor24color chartperform3x3 color correction matrixofprecorrection.generallyandthe relevant information, recommendmainlyuseCAandSaturation modulethe relevant informationadjustframeofsaturation.

5.11.2.2. Key Parameters

Table 5.19 CCMKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

CCMFunctionEnabled.

0: close.

1: Enabled.

OpType

[0, 1]

0

CCMoperationtype.

0: Automatic mode (OP_TYPE_AUTO);

1: Manual mode(OP_TYPE_MANUAL).

CCMOverStr

[0, 255]

0

the relevant informationandprotectionstrength, the larger the value, protectionstrengthmorethe relevant information, morenotthe relevant informationoverexposure.

CCMOverThr

[0, 255]

0

the relevant informationandprotection.the relevant informationanddeterminethreshold, the larger the value, morethe relevant informationandprotectionstatus.

ISOActEnable

[0, 1]

0

lowilluminationunderCCM BypassFunctionEnabled.

0: close.

1: Enabled.

TempActEnable

[0, 1]

0

highlowcolor temperatureunderCCM BypassFunctionEnabled.

0: close.

1: Enabled.

CCMTabNum

[3, 7]

3

currentthe relevant informationofCCMthe relevant informationnumber.

CCMTab[7].ColorTemp

[500, 30000]

5000

notsamecolor temperatureundercolorcorrectionthe relevant informationcorrespondingcolor temperaturethe relevant information.

CCM Tab[7].CCM[9]

[-8192, 8191]

1024

notsamecolor temperatureunderCCMthe relevant informationcoefficient.

SatEnable

[0, 1]

0

Manual modeunder, saturationwhethertake effect.

Manual.CCM[9]

[-8192, 8191]

1024

Manual modeunder, CCMthe relevant informationcoefficient.

RedCastGain

[1, 4095]

1024

manualsettingwhite balancethe relevant informationcolorchannelgain.

GreenCastGain

[1, 4095]

1024

manualsettingwhite balancethe relevant informationcolorchannelgain.

BlueCastGain

[1, 4095]

1024

manualsettingwhite balancethe relevant informationcolorchannelgain.

SaturationLE

[0, 255]

128

longthe relevant informationsaturation

SaturationSE

[0, 255]

128

the relevant informationsaturation

5.11.2.3. Tuning Steps

refer to CCM Calibrationmethod sectioncompleteCCM Calibration.the relevant information, open SatEnable , the relevant informationindifferent light sourcesunderimageofsaturationwhetherasexpectedofchange.

5.12. Gamma

5.12.1. Gamma Tuningmethod

5.12.1.1. Function Description

Gammamainlythe relevant informationinimageofbrightnessspaceperformthe relevant informationlinearthe relevant informationusingthe relevant informationOutputdisplaydevice.imageofR, GandBchannelcanusesamethe relevant informationGammaTable.GammaTablethe relevant informationnodethe relevant informationofthe relevant informationsame, andanduselinearthe relevant informationmethodgeneratenodethe relevant informationofimagethe relevant information.whenimageofcontrastandtransparencyneedtuningofwhenthe relevant information, canthe relevant informationadjustmentGammamodulethe relevant information.

5.12.1.2. Key Parameters

Table 5.20 GammaKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

GammaFunctionEnabled.

0: close.

1: Enabled.

CurveType

[0, 3]

2

Gammacurvetype.

0: GAMMA_DEFAULT.

1: GAMMA_SRGB.

2: GAMMA_USER_DEFINE

3: GAMMA_AUTO

GammaCOEFFI

[0.01, 20]

1

the relevant informationcontrolGammacurvegenerateofthe relevant information.

SlopeAtZero

[0.01, 20]

20

the relevant informationcontrolGammathe relevant informationpointthe relevant informationofthe relevant informationsize.

Control PointsNum

[2, 32]

2

manualdragcurveofpointnumber

Auto Gamma

canaccording to differentofenvironmentbrightnessthe relevant informationsettingnotsameofGammacurve.

GammaTabNum

[1, 5]

4

Auto Gamma tablenumber

5.12.1.3. GammaCOEFFIandSlopeAtZeroParameter Description

fornotsameofscene, adjustmentParameter GammaCOEFFI the relevant informationcontrolGammacurveofgeneratethe relevant information, useParameter SlopeAtZero the relevant informationcontrolGammathe relevant informationpointthe relevant informationofthe relevant informationsize.

the relevant informationParameterforinGammacurvethe relevant informationofimpactas followsas shown:

  • inthe relevant informationsameof SlopeAtZero ofthe relevant informationunder, curveinthe relevant informationpointthe relevant informationofthe relevant information, andcurveofthe relevant informationwillasParameter GammaCOEFF ofnotsameandnotsame, changetrendas followsFigure.

    _images/Module031.png

    Figure 5.23 GammaCOEFFforGammacurveofimpact

  • inthe relevant informationsameof GammaCOEFFI ofthe relevant informationunder, curveoverallofthe relevant informationnotthe relevant information, the relevant informationinthe relevant informationpointthe relevant informationofthe relevant informationwillasParameter SlopeAtZero ofchangeandnotsame, willhasthe relevant informationofthe relevant information.overallchangetrendas followsFigure.

    _images/Module032.png

    Figure 5.24 SlopeAtZeroforGammacurveofimpact

5.12.1.4. Tune a Custom Curve Using Parameters

Step 1. inGammapagewill "CurveType" switchthe relevant information "GAMMA_USER_DEFINE".

Step 2. the relevant informationin "GammaCOEFFI" and "SlopeAtZero" Inputthe relevant informationofvalue.

Step 3. canthe relevant informationitemthe relevant informationofGammacurve

Step 4. canuse "Save"buttonwillitemthe relevant informationofGammacurvethe relevant information, usingthe relevant informationafterwardloaduse.

_images/Module033.png

Figure 5.25 useParametertunethe relevant informationdefinecurveillustrationFigure

5.12.1.5. Tune a Custom Curve Using Control Points

Step 1. inGammapagewill "CurveType" switchthe relevant information "GAMMA_USER_DEFINE".

Step 2. ifbeforehasthe relevant informationofGammacurve, canthe relevant information "Load" buttonload.

Step 3. the relevant informationin "Gontrol Point Num" Inputthe relevant informationofcontrol pointnumber.

Step 4. canthe relevant informationmousethe relevant informationGamma curveaboveofcontrol point

Step5. canuse "Save " buttonwillitemthe relevant informationofGammacurvethe relevant information, usingthe relevant informationafterwardloaduse.

_images/Module034.png

Figure 5.26 usecontrol pointtunethe relevant informationdefinethe relevant informationcurveillustrationFigure

5.13. Dehaze

5.13.1. Dehaze Tuningmethod

5.13.1.1. Function Description

the relevant informationalgorithm, the relevant informationisimagethe relevant informationorimageenhancement, the relevant informationinthe relevant informationordecreaseimagethe relevant informationofthe relevant informationorthe relevant information, usingthe relevant informationhighimageofsharpnessandcanthe relevant information, thisthe relevant informationofdothe relevant informationinthe relevant information, the relevant informationDCIofthe relevant informationwaythe relevant information, the relevant informationnotsamebrightnessunder, correspondingthe relevant information.

5.13.1.2. Key Parameters

Table 5.21 DehazeKey Parameters

Parameter

Value Range

Default Value

Description

CurveMode

[0, 1, 2]

2

DCIoperationtype.

0: Automatic mode (DCI_CURVE_AUTO).

1: Manual mode (DCI_CURVE_MANUAL).

2: the relevant informationmode (DCI_CURVE_DEHAZE).

DehazeLight

[0, 255]

250

Dehazeofdefaultthe relevant informationbrightness.

DehazeStrength

[0, 100]

60

the relevant informationcontrolDehazeofstrength.the larger the value, the relevant informationstrengththe stronger, the relevant informationis0when, dehazeclose.

DehazeLut[6]

[0, 255]

[24,20,15,10,8,6]

the relevant informationbythe relevant informationofthe relevant informationdegree, valuemorehigh, the relevant informationmorethe relevant information, generallyandthe relevant information, morethe relevant informationofregionthe relevant information, needthe relevant informationhighofthe relevant informationdegree.

5.13.1.3. Tuning Steps

indoParametertuningbefore, firstverify Table 5.22 listedmodulehas been adjusted toreasonableofstatus, andKey ParametersofDefault Valuethe relevant information Table 5.21 to configure.

Table 5.22 Dehazepretuningofrelatedmodule

module

status/value

WDR

Tuned (if enabled)

BLC

Tuned

AWB

Tuned

DPC

Tuned

CrossTalk Removal

Tuned

LSC

Tuned

DRC

Tuned

Demosaic

Tuned

CCM

Tuned

Gamma

Tuned

Dehaze

Tuned (if enabled)

CLUT

Tuned (if enabled)

LDCI

Tuned

3DNR

Tuned

forhasthe relevant informationsceneofimage, according toRequirementsadjustmentParameter DehazeStrength , ifthe relevant informationrecommendofDefault Valuethe relevant informationsetting, the relevant informationoverallimageofcontrastandsharpness.principleabove, the relevant information DehazeStrength , itsthe relevant informationParameterthe relevant informationrecommendofDefault Valuethe relevant informationthat iscan.

Module058 Description

  • the relevant informationstrengthmorethe relevant information, imageoverallcontrastandcolorsaturationmorehigh, canthe relevant informationwilllossdark areaofdetail.becausethis, the relevant informationaccording tothe relevant informationscenedothe relevant informationofParametertuning.

  • Note: toolabovedehazeoftuningParameterindcipage.

5.13.1.4. Dehaze Fine-Tuning Parameters

ifthe relevant informationtunenotsamebrightnesscorrespondingthe relevant informationdegree, canadjustmentParameter DehazeLut the relevant informationofthe relevant informationeffect.

5.14. CLUT

5.14.1. CLUT Calibrationmethod

CLUT calibrationthe relevant informationusinguserthe relevant informationof 24 color chartoruserthe relevant informationdefineofthe relevant informationandtargetcolorfor, the relevant informationinput imageandtargetimagethe relevant informationof 3D the relevant informationTable.CLUT algorithmwillforimageperformthe relevant informationofthe relevant information, usingthe relevant informationuserforcoloradjustmentofRequirements.calibrationofitemofthe relevant informationbyinput imageandtargetimageof RGB forthe relevant informationdetermine CLUT forthe relevant informationcolorofthe relevant informationtunethe relevant informationamount.

5.14.1.1. Environment and Equipment Preparation

  • standard 24 color chart

  • the relevant informationlight source (D50 or D65 the relevant information)

  • aftercalibrationdeviceandtargetcalibrationdevice

  • fixedlens, adjustlensandcolor chartofthe relevant information, the relevant informationofcolor chartthe relevant informationofrangethe relevant information 1/2.

5.14.1.2. CLUT Calibrationtool interface

will ISP Calibration ToolofmainFunctionthe relevant informationswitchthe relevant information CLUT, that iscanthe relevant information CLUT calibrationofinterface.

calibrationinterfacecontainthe relevant informationpart:

  • imagecontrol area: perform CLUT calibrationwheninput imageofcontrolFunction (the relevant informationcolorthe relevant informationarea).

    among themcontainofitemitemFunction:

    1. selectaftercalibrationFigurefile (Figurefilecansupport jpg or bmp)

    2. the relevant informationcalibrationFigurefilecolor patchposition

    3. selecttargetFigurethe relevant information (Figurefilecansupport jpg or bmp)

    4. the relevant informationtargetFigurefilecolor patchposition

  • displayimageregion: displayreadofcalibrationFigurefilecontentandcolor patchrange (the relevant informationcolorthe relevant informationarea).

  • CLUT control area: perform CLUT calibrationwhenofmainlythe relevant informationitem (the relevant informationcolorthe relevant informationarea).

    among themcontainofbutton:

    1. colorthe relevant information, verifycolor patchthe relevant informationcompletethe relevant information, the relevant informationunderperformobtaincolor patchinformation

    2. brightnessnotthe relevant informationoption, canthe relevant informationInputofimageperformthe relevant information (ifnotthe relevant information CLUT performbrightnessofcorrectioncanthe relevant informationthisitemitem, the relevant informationalgorithmcanperformadjustusingreducelow CLUT forbrightnesstunethe relevant informationofthe relevant information.recommendthe relevant informationforaftercalibrationFigurefileandtargetFigurefileperformbrightnessaboveofforthe relevant information, usingreducelowalgorithmperformbrightnessforthe relevant informationisandforcolor patchofimpact.)

    3. the relevant informationnotthe relevant informationoption.

    4. correctionthe relevant information, perform CLUT correction

    5. writecorrectiondata, willcorrectionthe relevant informationof CLUT informationwriteboard side

    6. importsaveofcorrectiondata, canthe relevant informationwritethe relevant informationboard sidetake effect

    7. exportcorrectiondata, willcorrectionthe relevant informationof CLUT informationexportthe relevant information

    8. hsl adjust, canforcorrectionresultthe relevant informationperformh(color), s(saturation), l(brightness)adjust.(cluthassetDefault Value(the relevant informationhastargetFigure, the relevant informationFigurecalibrationthe relevant informationofresult), the relevant informationperformCalibration Stepsthe relevant informationcanuse)

      Enable: Enabledswitch.

      HByH: length37ofnumberthe relevant information, willhue 36etc.the relevant information, cansetthe relevant informationhuerangethe relevant informationofthe relevant information, the relevant informationrange[-30,30].

      SByH: length37ofnumberthe relevant information, willhue 36etc.the relevant information, cansetthe relevant informationhuerangesaturationgain, 50isthe relevant informationtimes, the relevant informationrange[0,100].

      LByH: length37ofnumberthe relevant information, willhue 36etc.the relevant information, cansetthe relevant informationhuerangebrightnessgain, 50isthe relevant informationtimes, the relevant informationrange[0,100].

      SByS: length21ofnumberthe relevant information, willsaturation20etc.the relevant information, cansetthe relevant informationsaturationrangesaturationofgain, 50isthe relevant informationtimes, the relevant informationrange[0,100].

  • RGB colorforregion: displaycalibrationcolor patchofcolorinformation (the relevant informationcolorthe relevant informationarea).

    1. Clear RGB: the relevant informationtablecolor patchdata.

    2. Add RGB: canmanualthe relevant informationofcolor patchdata.

    3. Import/Export RGB Data: import/exportcolor patchdata.

_images/Module038.png

Figure 5.27 CLUT Calibrationtool interface

5.14.1.3. CLUT CalibrationStep

byinimageofbrightness, white balance, Gamma curve, CCM Parameterand shading hascanthe relevant informationwillimpact CLUT calibrationofaccuratethe relevant information.the relevant informationusinginperform CLUT calibrationbefore, the relevant informationaftercalibrationdeviceandtargetdeviceof AWB, brightnessandthe relevant informationTablethe relevant informationandperform shading correctionthe relevant informationperform CLUT calibration.

Step 1. using D50 or D65 the relevant informationlight sourcethe relevant information 600lux illumination, usingaftercalibrationdevicethe relevant informationandtargetdeviceforthe relevant information 24 color chartthe relevant information, filethe relevant informationofthe relevant informationcanby CviPQTool Preview Functionproduce BMP filethe relevant informationorbythe relevant informationflowthe relevant informationperformimageofthe relevant information (BMP or JPG filethe relevant information).

Module053 calibrationprinciple: recommendbythe relevant informationflowthe relevant informationorthe relevant informationOutputthe relevant informationimageusingforthe relevant informationtargetdevice.

Step 2. byinthe relevant informationnumbertargetdeviceNonethe relevant informationperformbrightnessthe relevant informationtuneofthe relevant information, andnotsamedeviceforinbrightnessoftunethe relevant informationhasthe relevant informationnotsame, the relevant informationusingthe relevant informationneedforaftercalibrationdeviceperformmanualthe relevant informationtunethe relevant informationandthe relevant informationbrightnessfortargetresult (thisthe relevant informationmainlythe relevant information CLUT the relevant informationforcolorcolortuneperformcorrectionnotcontainbrightnesscorrection, brightnessofforthe relevant informationbyitsthe relevant informationmoduleperformadjust), inperformbrightnessfortargetthe relevant informationwhencanthe relevant informationby 24 color chartthe relevant informationnumber 21colorcolor patchthe relevant informationits G channelthe relevant information, adjustaftercalibrationdeviceexposureFunctionperformthe relevant informationtune (as EvBias itemitemorthe relevant informationgainitemitem), after 21 colorcolor patchits G the relevant informationofthe relevant informationandtargetdevicethe relevant informationFigurethe relevant informationwhenthat isthe relevant informationTablecomplete.

Module053 calibrationprinciple: recommendcolor chartofthe relevant informationcanthe relevant informationamountthe relevant informationofscene.canreference 24 color chartthe relevant informationnumber 19colorcolor patch, recommendits RGB the relevant informationin 240 above, usingthe relevant informationofcorrectionthe relevant information.

Step 3. click "Open Source Image" and "Open Target Image" button, performloadaftercalibrationdeviceandtargetdevicethe relevant informationimagefilethe relevant information.

Step 4. click "Edit Source ROIs" and "Edit Target ROIs" button, performaftercalibrationimageandtargetimageofcolor patchthe relevant information.

Step5. producethe relevant informationcorrespondingcolorfor.the relevant informationunder "Color Check 24" buttonwillabovethe relevant informationofcolor patchinformationthe relevant information RGB colorforregion.

Step6. brightnessnotthe relevant informationoption "Luminance Invariant", canthe relevant informationInputofimageperformthe relevant information, thisoptionthe relevant informationalgorithmcanperformthe relevant informationprocess, the relevant informationadjustInputcolor patchinbrightnesspart offorthe relevant informationtargetFigurecolor patch, the relevant informationusingreducelow CLUT forbrightnesstunethe relevant informationofthe relevant information.

Module053 calibrationprinciple: recommendthe relevant informationforaftercalibrationFigurefileandtargetFigurefileperformbrightnessaboveofforthe relevant information, andclosethisoptionusingreducelowalgorithmperformbrightnessforthe relevant informationandforcolor patchofimpact.

Step7. click "Calibration" button, etc.afternumberthe relevant informationtoolthe relevant informationcanproduce CLUT calibrationParameter.

Step8. willproduceof CLUT the relevant informationaftercalibrationdeviceverifycoloradjustmentofeffect (the relevant information "Write calibration data" buttonthe relevant informationwritethe relevant informationboard side) or "Export calibration data" buttonthe relevant information CLUT calibrationcontent.

_images/Module017.jpg

Figure 5.28 standard24color chartnumber19the relevant information (the relevant information) andnumber21the relevant informationcolor patch (the relevant information)

5.14.2. CLUT Tuningmethod

5.14.2.1. Function Description

the relevant informationcoloradjustmentFunction, throughforlinearRGBspacedo17x17x17 3D LUTthe relevant informationforthe relevant informationcolorofadjustment, asthe relevant informationcolor, the relevant informationcolor, skin toneofthe relevant informationadjustment.

5.14.2.2. Key Parameters

Table 5.23 CLUTKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

CLUTmoduleEnabled.

0: close.

1: Enabled.

ClutR[17*17*17]

[0, 4095]

0

forR channeladjust.inR, G, B the relevant informationdomainrangethe relevant information16the relevant information.

ClutG[17*17*17]

[0, 4095]

0

forG channeladjust.inR, G, B the relevant informationdomainrangethe relevant information16the relevant information

ClutB[17*17*17]

[0, 4095]

0

forB channeladjust.inR, G, B the relevant informationdomainrangethe relevant information16the relevant information

5.14.2.3. Tuning Steps

_images/Module039.png

Figure 5.29 CLUTprocessflowFigureandKey Parameters

indoParametertuningbefore, firstverify Table 5.24 listedmodulealreadythroughcompletetuning, andKey ParametersofDefault Valuethe relevant information Table 5.23 to configure.

Table 5.24 CLUTpretuningofrelatedmodule

module

status/value

BLC

Tuned

DPC

Tuned

CrossTalk Removal

Tuned

MLSC

Tuned

AWB

Tuned

CCM

Tuned

GAMMA

Tuned

DCI

Tuned (if enabled)

CLUT Calibration

Tuned

5.15. PreSharpen

5.15.1. PreSharpen Tuningmethod

5.15.1.1. Function Description

PreSharpenmoduleused forenhancementimagesharpness, the relevant informationin3DNRbefore, cansharpeningimagethe relevant informationofedgeanddetailtexture.throughnotsamethe relevant informationofthe relevant informationstrengththe relevant information, canthe relevant informationofsharpnessenhancementeffect, samewhenthe relevant informationcanaccording tofeature valueofsize, framebrightnessofsizethe relevant informationnotsamestrengthofsharpeningsetting.the relevant informationsharpeningthe relevant informationofwhite edge(Over Shoot)andblack edge(Under Shoot)ofsuppressionFunction. tuningthisFunctionwhen, recommendclose3DNRthe relevant informationofSharpenmodule, usingthe relevant informationnotexpectedofeffect.

5.15.1.2. Key Parameters

Table 5.25 PreSharpenKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

Pre-SharpenmoduleEnabled.

0: close.

1: Enabled.

OpType

OP_TYPE_AUTO,

OP_TYPE_MANUAL

OP_TYPE_AUTO

operationtype

OP_TYPE_AUTO: Automatic mode

OP_TYPE_MANUAL: Manual mode

TuningMode

[0, 15]

0

adjustmode, Outputcanthe relevant informationinformation.

6: Edge after Wo.

7: Edge after region_str.

9: Edge region.

ThinWgtUHF_HF

[0, 15]

4

Thin filterfrequencyofnumberthe relevant informationfusionadjust.the larger the value, more biased towardUltra HF; the smaller the value, more biased towardHF.

ThinWgtAgainstSHF

[0, 15]

4

Thin filterfrequencyofnumberthe relevant informationfusionadjust.the larger the value, more biased towardnumberthe relevant informationfusionadjustofresult; the smaller the value, more biased towardSubtle HF.

RobustWgtHF_SHF

[0, 15]

4

Robust filterfrequencyofnumberthe relevant informationfusionadjust.the larger the value, more biased towardHF; the smaller the value, more biased towardSubtle HF.

RobustWgtAgainstMF

[0, 15]

4

Robust filterfrequencyofnumberthe relevant informationfusionadjust.the larger the value, more biased towardnumberthe relevant informationfusionadjustofresult; the smaller the value, more biased towardMF.

ThinWgtUHF_HF_HLD

[0, 15]

4

highlighttextureregionThin filterfrequencyofnumberthe relevant informationfusionadjust.the larger the value, more biased towardUltra HF; the smaller the value, more biased towardHF.

ThinWgtAgainstSHF_HLD

[0, 15]

4

highlighttextureregionThin filterfrequencyofnumberthe relevant informationfusionadjust.the larger the value, more biased towardnumberthe relevant informationfusionadjustofresult; the smaller the value, more biased towardSubtle HF.

RobustWgtHF_SHF_HLD

[0, 15]

4

highlighttextureregionRobust filterfrequencyofnumberthe relevant informationfusionadjust.the larger the value, more biased towardHF; the smaller the value, more biased towardSubtle HF.

RobustWgtAgainstMF_HLD

[0, 15]

4

highlighttextureregionRobust filterfrequencyofnumberthe relevant informationfusionadjust.the larger the value, more biased towardnumberthe relevant informationfusionadjustofresult; the smaller the value, more biased towardMF.

RegionStrEn

[0, 1]

1

according to differentareatype(flat region, edgeregion, textureregion)adjustsharpeningstrengthFunctionEnabled.

ThinStr

[0, 255]

64

Thin filterstrengthadjust.RegionStrEn = 1when, take effect.the larger the value, strengththe stronger; the smaller the value, strengthmorethe relevant information.

RobustStr

[0, 255]

64

Robust filterstrengthadjust.RegionStrEn = 1when, take effect.the larger the value, strengththe stronger; the smaller the value, strengthmorethe relevant information.

FlatThr

[0, 1023]

40

flat regionthe relevant informationthreshold.

EdgeThr

[0, 1023]

240

edgeregionthe relevant informationthreshold.

LumaThrHLD

[0, 1023]

600

highbright areathe relevant informationthreshold, brightnessgreater thanLumaThrHLDpart of, the relevant informationisthe relevant informationhighbright area.

FlatThrHLD

[0, 1023]

40

highbright areadomainofflat regionthe relevant informationthreshold.

EdgeThrHLD

[0, 1023]

240

highbright areadomainofedgeregionthe relevant informationthreshold.

StrFlatSlope

[-32768, 32767]

0

controlflat regionsharpeningstrength.RegionStrEn = 1when, take effect.the smaller the value, flat regionsharpeningmorethe relevant information.

StrEdgeSlope

[-32768, 32767]

0

controledgeregionsharpeningstrength.RegionStrEn = 1when, take effect.the larger the value, edgeregionsharpeningthe stronger.

FlatStr

[0, 255]

64

limitthe relevant informationflat regionsharpeningstrengthrange.whenStrFlatSlope < 0when, determineflat regionsharpeningstrengthminimum value; whenStrFlatSlope > 0when, determineflat regionsharpeningstrengthmaximum value.

EdgeStr

[0, 255]

64

limitthe relevant informationedgeregionsharpeningstrengthrange.whenStrEdgeSlope > 0when, determineedgeregionsharpeningstrengthmaximum value; whenStrFlatSlope < 0when, determineedgeregionsharpeningstrengthminimum value.

ThinWgtFlat

[0, 16]

0

controlflat regionThin filterandRobust filteroffusionratio.the smaller the value, more biased towardRobust filter, that isflat regionoffilteringresultmore biased towardRobust filterofresult.

ThinWgtEdge

[0, 16]

16

controledgeregionThin filterandRobust filteroffusionratio.the larger the value, more biased towardThin filter, that isedgeregionoffilteringresultmore biased towardThin filterofresult.

ThinWgtFlatHLD

[0, 16]

0

controlhighbright areadomainflat regionThin filterandRobust filteroffusionratio.the smaller the value, more biased towardRobust filter, that isflat regionoffilteringresultmore biased towardRobust filterofresult.

ThinWgtEdgeHLD

[0, 16]

16

controlhighbright areadomainedgeregionThin filterandRobust filteroffusionratio.the larger the value, more biased towardThin filter, that isedgeregionoffilteringresultmore biased towardThin filterofresult.

SatShtCtrlEn

[0, 1]

1

bysaturationadjustedgeenhancementofEnabled.

0: close

1: Enabled

HueShtCtrl[33]

[0, 63]

[16, …, 16]

based on the specifiedcolordoedgeenhancement

SatShtGainIn[4]

[0, 255]

[0, 8, 16, 192]

based on the specifiedsaturationdoedgeenhancement, thisisInputnode, Inputsaturation.

SatShtGainOut[4]

[0, 128]

[0, 0, 128, 128]

based on the specifiedsaturationdoedgeenhancement, thisisOutputnode, Outputcorrespondingsaturationofedgestrength.

OverUnderShootEn

[0, 1]

1

OverShoot, UnderShootadjustofEnabled.

OvershootThr

[0, 255]

250

brightnessthreshold.brightnessless thanOvershootThrpart of, white edgeofstrengthbyOshootWgtHighdetermine.

OshootSlope

[0, 32767]

0

determinebrightnessgreater thanOvershootThrpartofwhite edgestrength.the larger the value, asbrightnessincrease, white edgestrengthreducelowthe faster.

OshootWgtHigh

[0, 511]

128

determinebrightnessless thanOvershootThrpartofwhite edgestrength.the larger the value, white edgestrengththe stronger.

UshootLumThrLow

[0, 255]

128

brightnessthreshold.brightnessless thanUshootLumThrLowpart of, black edgecorrespondingstrengthis0.

UshootLumThrHigh

[0, 255]

255

brightnessthreshold.brightnessgreater thanUshootLumThrHighpart of, black edgecorrespondingstrengthbyUshootLumClampWgtdetermine.

UshootLumClampWgt

[0, 255]

96

determinebrightnessgreater thanUshootLumThrHighpartofblack edgestrength.the larger the value, black edgestrengththe stronger.

UndershootThr

[0, 255]

5

brightnessthreshold.brightnessgreater thanUndershootThrpart of, black edgeofstrengthbyUshootWgtHighdetermine.

UshootWgtHigh

[0, 511]

128

determinebrightnessgreater thanUndershootThrpartofblack edgestrength.the larger the value, black edgestrengthmorethe relevant information.

UshootSlope

[0, 32767]

0

determinebrightnessless thanUndershootThrpartofblack edgestrength.the larger the value, asbrightnessreducelow, black edgestrengthreducelowthe faster.

UshootEngThrLow

[0, 255]

128

feature valuethreshold.feature valueless thanUshootEngThrLowpart of, black edgeofstrengthbyUshootEngClampWgtdetermine.

UshootEngThrHigh

[0, 255]

255

feature valuethreshold.feature valuegreater thanUshootEngThrHighpart of, black edgeofstrengthbyUshootEngClampWgtdetermine.

UshootEngClampWgt

[0, 255]

0

determinefeature valuegreater thanUshootEngThrHighpartofblack edgestrength.the larger the value, black edgeofstrengthinthe stronger.

UshootLumEngStr

[0, 255]

1

determineblack edgestrengthoffsetofthe relevant informationtimesnumber.the larger the value, the relevant informationtimesnumbermorethe relevant information.

UshootLumEngNorm

[0, 255]

0

determineblack edgestrengthoffsetofthe relevant informationtimesnumber.the larger the value, the relevant informationtimesnumbermorethe relevant information.

LumLowThr

[0, 1023]

0

brightnessthreshold.brightnessless thanLumLowThrpart of, sharpeningstrengthisLumLowLut[0].

LumHighThr

[0, 1023]

512

brightnessthreshold.brightnessgreater thanLumHighThrpart of, sharpeningstrengthaccording toLumHighLut[0]~LumHighLut[7]ofsettingthe relevant informationchange.

LumLowStep

[0, 7]

2

controlthe relevant informationwithbrightnesschangewhen, brightnessaboveofstep size.brightnessgreater thanLumLowThrandless thanLumHighThrpart of, step sizebyLumLowStepcontrol.

LumHighStep

[0, 7]

2

controlthe relevant informationwithbrightnesschangewhen, brightnessaboveofstep size.brightnessgreater thanLumHighThrpart of, step sizebyLumHighStepcontrol.

LumLowLut

[0, 255]

[32, 45, 53, 64, 64, 64, 64, 64]

controlthe relevant informationstrength.brightnessgreater thanLumLowThrandless thanLumHighThrpart of, withbrightnessincrease, the relevant informationstrengthaccording toLumLowLut[0]~LumLowLut[7]ofsettingthe relevant informationchange.

LumHighLut

[0, 255]

[64, 64, 64, 64, 64, 64, 64, 64]

controlthe relevant informationstrength.brightnessgreater thanLumHighThrpart of, sharpeningstrengthaccording toLumHighLut[0]~LumHighLut[7]ofsettingthe relevant informationchange.

EdgeLowThr

[0, 1023]

0

sharpeningthe relevant informationthreshold.sharpeningthe relevant informationless thanEdgeLowThrpart of, sharpeningstrengthisEdgeLowLut[0].

EdgeHighThr

[0, 1023]

512

sharpeningthe relevant informationthreshold.sharpeningthe amplitude is greater thanEdgeHighThrpart of, sharpeningstrengthaccording toEdgeHighLut[0]~EdgeHighLut[7]ofsettingthe relevant informationchange.

EdgeLowStep

[0, 7]

2

controlsharpeningstrengthwithsharpeningthe relevant informationchangewhen, sharpeningthe relevant informationaboveofstep size.sharpeningthe amplitude is greater thanEdgeLowThrandless thanEdgeHighThrpart of, step sizebyEdgeLowStepcontrol.

EdgeHighStep

[0, 7]

2

controlsharpeningstrengthwithsharpeningthe relevant informationchangewhen, sharpeningthe relevant informationaboveofstep size.sharpeningthe amplitude is greater thanEdgeHighThrpart of, step sizebyEdgeHighStepcontrol.

EdgeLowLut

[0, 255]

[255, 255, 255, 255, 255, 255, 255, 255]

controlsharpeningstrength.sharpeningthe amplitude is greater thanEdgeLowThrandless thanEdgeHighThrpart of, withsharpeningthe relevant informationincrease, the relevant informationstrengthaccording toEdgeLowLut[0]~EdgeLowLut[7]ofsettingthe relevant informationchange.

EdgeHighLut

[0, 255]

[255, 245, 230, 210, 185, 155, 125, 95]

controlsharpeningstrength.sharpeningthe amplitude is greater thanEdgeHighThrpart of, sharpeningstrengthaccording toEdgeHighLut[0]~EdgeHighLut[7]ofsettingthe relevant informationchange.

5.15.1.3. Tuning Steps

5.15.1.3.1. overallsharpeningflow

overallsharpeningofflowthe relevant information

_images/Module_0412.png

indoParametertuningbefore, firstverify Table 5.26 listedmodulealreadythroughcompletetuning, andKey ParametersofDefault Valuethe relevant information Table 5.25 to configure.

Table 5.26 PreSharpen pretuningofrelatedmodule

module

status/value

BLC

Tuned

DPC

Tuned

CrossTalk Removal

Tuned

LSC

Tuned

CCM

Tuned

BNR

Tuned

AWB

Tuned

DRC

Tuned

Demosaic

Tuned

Gamma

Tuned

LDCI

Tuned

DCI

Tuned

3DNR

Tuned

Sharpen

Disabled

5.15.1.3.2. the relevant informationedgethe relevant information

the relevant informationalgorithmcanaccording to differentofareatype, the relevant informationnotsamefrequencyofsharpeningthanthe relevant informationedgetype, respectivelyperformsharpeningstrengthcontrol. the relevant informationedgethe relevant informationcanthroughFlatThr, EdgeThr, LumaThrHLD, FlatThrHLD, EdgeThrHLDadjust.canthe relevant informationisflat region, textureregion, edgeregionandhighlighttextureregion.brightnessgreater than LumaThrHLD , feature valuegreater than FlatThrHLD andless than EdgeThrHLD ofareaishighlighttextureregion.forinthe relevant informationhighlighttextureregionofarea, the relevant informationthrough FlatThr , EdgeThr the relevant informationisflat region, textureregion, edgeregion, among themfeature valueless thanFlatThrofareaisflat region, feature valuegreater thanEdgeThrofareaisedgeregion, itsthe relevant informationareaistextureregion.

notsamethe relevant informationedgethe relevant informationofsharpeningstrength, canthrough StrFlatSlope , StrEdgeSlope , FlatStr , EdgeStr adjust.as Figure 5.30 as shown.the relevant information, highlighttextureregionofsharpeningstrengthfixedis64.

_images/Module00041.png

Figure 5.30 feature value-sharpeningstrengthtrendFigure

Thin filteristhe relevant informationofthe relevant informationfilteringdevice, Robust filteristhe relevant informationfilteringdevice, canthroughusingunderParameterrespectivelycontrolsharpeningthe relevant information/the relevant informationofdegree.highlighttextureregionandthe relevant informationhighlighttextureregionrespectivelyby ThinWgtUHF_HF_HLD/ThinWgtAgainstSHF_HLD/RobustWgtHF_SHF_HLD/RobustWgtAgainstMF_HLD , ThinWgtUHF_HF/ThinWgtAgainstSHF/RobustWgtHF_SHF/RobustWgtAgainstMF determine.

the relevant information, Thin filterandRobust filterofstrengthcanthe relevant informationcontrol, ThinStr morethe relevant information, Thin filterstrengthmorethe relevant information, sharpeningthe stronger; RobustStr morethe relevant information, Robust filterstrengthmorethe relevant information, sharpeningthe stronger.

5.15.1.3.3. according to differentofthe relevant informationedgetype, adjustnotsameofedgethe relevant information

adjustthe relevant informationandthe relevant informationofthe relevant informationdegree

_images/Module_0415.png

throughfornotsamethe relevant informationoffilteringdevicethe relevant informationnotsameofweight, respectivelyadjustthe relevant informationandthe relevant informationofthe relevant informationdegree

according toedgetype, adjustthe relevant informationandthe relevant informationofratio

according tofeature valuestrengthnotsame, thisalgorithmcanthe relevant informationbyselectusingthe relevant informationorthe relevant informationusingthe relevant informationofwaythe relevant informationforimageperformthe relevant information.Thin filterofthe relevant informationofthe relevant informationedgethe relevant information, Robust filterthe relevant informationofedgethe relevant information.canaccording toRequirements, innotsametypeofarea, selectnotsamethe relevant informationofsharpeningeffect.highlighttextureregionofsharpeningthe relevant informationby ThinWgtFlatHLD , ThinWgtEdgeHLD determine, the relevant informationhighlighttextureregionofsharpeningthe relevant informationby ThinWgtFlat , ThinWgtEdge determine.as Figure 5.31 as shown, among themWeightingdetermineThin filterandRobust filterfusionratio, the larger the value, more biased towardThin filteroffilteringresult.

_images/Module000041.png

Figure 5.31 feature value-WeightingtrendFigure

the relevant informationspatial region ofwtthe relevant informationblending robust/thin edgeofthanthe relevant information.

5.15.1.3.4. the relevant informationtune

according tocolorinformationadjustsharpeningstrength

SatShtGainIn[4] , SatShtGainOut[4] determinenotsamesaturationundersharpeningstrength, 4the relevant informationnodecantune. HueShtCtrl[33] determinenotsamecolortuneundersharpeningstrength, 33the relevant informationnodecantune.

white edgesuppressionofadjust

canaccording tobrightnessofnotsame, applicationnotsameofwhite edgestrength.relatedsetting: OvershootThr , OshootSlope , OshootWgtHigh, as Figure 5.32 as shown.

_images/Module0000041.png

Figure 5.32 brightness-OverShootstrengthtrendFigure

black edgesuppressionofadjust

black edgestrengthofthe relevant informationby UndershootThr , UshootWgtHigh , UshootSlope determine, as Figure 5.33 as shown.

_images/Module00000041.png

Figure 5.33 brightness-UnderShootthe relevant informationstrengthtrendFigure

black edgeofthe relevant informationstrengththe relevant informationcanaccording tobrightnessnotsame, feature valuenotsamedonotsamedegreeofthe relevant information.as Figure 5.34 , Figure 5.35 as shown.

_images/Module000000041.png

Figure 5.34 brightness-UnderShootthe relevant informationstrengthoffset1trendFigure

_images/Module0000000041.png

Figure 5.35 feature value-UnderShootthe relevant informationstrengthoffset2trendFigure

the relevant informationoffset = offset1*offset2, the relevant informationusingthe relevant informationoffsetis0when, the relevant informationoffsetthe relevant informationis0.

the relevant informationoffsetthe relevant informationcanthrough UshootLumEngNorm , UshootLumEngStr dothe relevant information.UshootLumEngStristhe relevant informationcoefficient, is0when, the relevant informationoffsetis0; the larger the value, the relevant informationtimesnumbermorethe relevant information.UshootLumEngNormisthe relevant informationcoefficient, is0when, Tableindicatenotdothe relevant information; the larger the value, the relevant informationtimesnumbermorethe relevant information.

sharpeningstrengththe relevant informationtune(Edge refine)

according tobrightness(Lum)/the relevant information(Edge)ofnotsame, the relevant informationadjustitsthe relevant informationstrength

according tobrightnessnotsame, adjustsharpeningstrength, relatedsettinghas: LumLowThr , LumHighThr , LumLowStep , LumHighStep , LumLowLut , LumHighLut .

the relevant informationwhite edgegenerallythe relevant informationbyinsharpeningthe relevant information, reducelowsharpeningthe relevant informationthanthe relevant informationofareaofsharpeningstrength, canvalidsuppressionthe relevant informationwhite edge.relatedsettinghas: EdgeLowThr , EdgeHighThr , EdgeLowStep , EdgeHighStep , EdgeLowLut , EdgeHighLut .

5.16. 3DNR

5.16.1. 3DNR Tuningmethod

5.16.1.1. Function Description

3DNRmainlythe relevant informationinYUV domainperformnoise reductionprocess.forthe relevant informationofmotiondegreeperformetc.the relevant information, according tomotionstatusthe relevant informationnoise reductionthe relevant information.3DNRthe relevant informationmotioncompensationofmethod, inwhendomainnoise reductionvalidsuppressionthe relevant informationnoiseofsamewhen, avoidproducemotionthe relevant information, the relevant informationFigureetc.whendomainimagethe relevant information.

5.16.1.2. Key Parameters

Table 5.27 3DNRKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

1

3DNRmoduleEnabled:

0: close.

1: Enabled.

EnOpType

OP_TYPE_AUTO,

OP_TYPE_MANUAL

OP_TYPE_AUTO

operationtype

OP_TYPE_AUTO: Automatic mode

OP_TYPE_MANUAL: Manual mode

WarpEdge

[0, 63]

[7, 7, 7, 7, 7, 7, 6, 6]

detailareaofnoiseincreaseweightParameter.the larger the valuefornoisethe relevant informationdegreemorethe relevant information, thiswhenthe relevant informationnoisethe relevant informationofstatic regiondomainthe relevant informationisthe relevant informationstatus.the relevant informationwillthe relevant informationareathe relevant informationisthe relevant information.canthe relevant informationbrightnesssetnotsameofthe relevant information.

WarpBase

[0, 16383]

[50, 40, 40, 40, 30, 30, 30, 30]

flat regiondomainofnoiseoffsetParameter.

WarpStd

[0, 16383]

[25, 25, 25, 25, 25, 25, 25, 25]

controlmotionstatusdetermineofthe relevant informationnumber, the larger the value, fornoiseofthe relevant informationdegreemorethe relevant information, morenotthe relevant informationdetermineismotionregion.canthe relevant informationbrightnesssetnotsameofthe relevant information.

WarpStdRange

[0, 32]

[8, 16]

according tomotioncompensationthe relevant informationnoisethe relevant informationwhen, controlmotionstatusdetermineofcoefficient.WarpStdRange[0]: controlstatic regionandtransition regionofcoefficient, the larger the value, moreofareathe relevant informationdetermineisstatic region; WarpStdRange[1]: controltransition regionandmotionregionofcoefficient, the larger the value, moreofareathe relevant informationdetermineistransition region.WarpStdRange[0]the relevant informationless thanWarpStdRange[1].

AcbdEdgeAdj

[0, 16]

[4, 3, 4, 4]

the relevant informationadjustmentnotsamethe relevant informationofthe relevant informationcoefficient, correspondingthe larger the value, morenotthe relevant informationthisthe relevant information.AcbdEdgeAdj[0]~AcbdEdgeAdj[3]respectivelycontrolcurrentthe relevant information, the relevant informationcurrentthe relevant information, the relevant informationcurrentthe relevant information, withthe relevant informationofthe relevant information.

AcbdSadAdj

[0, 1023]

[20, 0, 40, 60]

the relevant informationadjustmentnotsamethe relevant informationofthe relevant informationParameter, correspondingthe larger the value, morenotthe relevant informationthisthe relevant information.correspondingthe relevant informationsameAcbdEdgeAdj.

WarpB0

[0, 16383]

[100, 100, 100, 200, 200, 200, 300, 300]

currentthe relevant informationdifferenceless thanWarpB0when, the relevant informationisthisareaisstatic region.the larger the value, morethe relevant informationisthe relevant information.

L0YSigmaStr

[0, 255]

[8, 4, 2]

L0filtering, Ychannelnumberthe relevant informationwhendomainfilteringstrength.the larger the value, filteringstrengththe stronger.L0YSigmaStr[0]~L0YSigmaStr[2]respectivelycorrespondingstatic region, transition region, motionregionoffilteringstrength.

L0UVSigmaStr

[0, 255]

[4, 2, 1]

L0filtering, UVchannelnumberthe relevant informationwhendomainfilteringstrength.ParametertrendsameL0YSigmaStr.

L1SpaGlobalStr

[0, 65535]

500

L1filtering, the relevant informationdomainfilteringstrengththe relevant information.the larger the value, filteringstrengththe stronger.

L1TmpGlobalStr

[0, 65535]

500

L1filtering, whendomainfilteringstrengththe relevant information.the larger the value, filteringstrengththe stronger.

L1LumaAdj

[0, 255]

[16, 16, 16, 16, 16, 16, 16, 16]

L1filtering, the relevant informationbrightnesssetnotsameoffilteringstrength, whendomainfilteringandthe relevant informationdomainfilteringthe relevant informationsamethe relevant informationsetting.the larger the value, filteringstrengththe stronger.L1LumaAdj[0]~L1LumaAdj[7]Tableindicatefromdark areathe relevant informationbright areaoffilteringstrength.

L1FTJndAdj

[0, 255]

[150, 32, 0]

L1filtering, whendomainfilteringthe relevant informationmotionstatussetnotsameoffilteringstrength.ParametertrendsameL1FSJndAdj.

L2YLut

[0, 127]

[0, 4, 16, 30, 35, 41, 49, 57]

L2filtering, Ychannelnoise reductionstrengthcontrol.the smaller the value, the relevant informationofwhendomainnoisemorethe relevant information.the relevant information, the relevant informationandnoiseconvergencethe relevant information.

L2UVLut

[0, 255]

[150, 32, 0]

L2the relevant informationfiltering, UVchannelnoise reductionstrengthcontrol.the smaller the value, the relevant informationofwhendomainnoisemorethe relevant information.

L2UVDampStr

[0, 255]

[128, 32]

L2the relevant informationfiltering, UVchannelnoise reductionthe relevant informationmotionstatussetnotsameoffilteringstrength.ParametertrendsameL2YDampStr.

L12NrYEN

[0, 1]

1

the relevant informationfilteringofYchannelprocessEnabled.

0: close.

1: Enabled.

L2UVNrEN

[0, 1]

1

the relevant informationfilteringofUVchannelprocessEnabled.

0: close.

1: Enabled.

5.16.1.3. Tuning Steps

indoParametertuningbefore, firstverify Table 5.28 listedmodulehas been adjusted toreasonableofstatus, andKey ParametersofDefault Valuethe relevant information Table 5.27 to configure.

Table 5.28 3DNRpretuningofrelatedmodule

module

status/value

WDR

Tuned (if enable)

BLC

Tuned

AWB

Tuned

DPC

Tuned

CrossTalk Removal

Tuned

LSC

Tuned

DRC

Tuned

Demosaic

Tuned

CCM

Tuned

Gamma

Tuned

Dehaze

Tuned (if enable)

CLUT

Tuned (if enable)

LDCI

Tuned

DCI

Tuned

PreSharpen

Tuned

Sharpen

Tuned

motiondetection: adjustmotiondetectionofaccurateproperty

tuningwhencanwillthe relevant informationtuningsetis2, the relevant informationtuningthe relevant information.

recommendtuningflow:

  • adjustL0YPSSBlur

    L0YPSSBlurthe relevant informationprocessthe relevant informationhighthe relevant informationfilteringstrengthParameter. inhighISOthe relevant informationunder, recommendusethe relevant informationoffilteringstrength, usingthe relevant informationmotionthe relevant informationamountprethe relevant informationofaccuratethe relevant information.the relevant informationand, the relevant informationofthe relevant informationprocessfilteringstrengththe relevant informationdetailareaofmotionthe relevant informationamountprethe relevant informationerror, lowISOthe relevant informationunderrecommendthe relevant informationorclosethisParameter. thisparameter settingsrecommendasISOthe relevant informationandthe relevant informationwhenincrease.

  • adjustWarpBase

    WarpBasethe relevant informationflat regiondomainofnoiseoffsetParameter. according to differentbrightnessregionthe relevant information, willParameteradjustthe relevant informationflat regiondomainnotwillthe relevant informationDebugcolorthe relevant information(the relevant informationregionormotionregion)minimum value.asISOthe relevant information, thisthe relevant informationvaluethe relevant informationwhenincrease. WarpBasecanthe relevant informationislinearthe relevant informationofnoisethe relevant information, WarpEdgecanthe relevant informationislinearthe relevant informationunderforEdgeofweight, the relevant informationsamethe relevant informationformotionstatusofthe relevant informationproduceimpact.

  • adjustWarpEdge

    WarpEdgethe relevant informationdetailareaofnoiseincreaseweightParameter. according to differentbrightnessregionthe relevant information, willParameteradjustthe relevant informationdetailareanotwillthe relevant informationDebugcolorthe relevant information(the relevant informationregionormotionregion).asISOthe relevant information, thisthe relevant informationvaluethe relevant informationwhenincrease.

  • adjustWarpStdandWarpStdRange

    WarpStdParametercanaccording to differentbrightnessregionthe relevant informationsetnoisethe relevant informationrangesize. according to differentbrightnessregionthe relevant information, willParameteradjustthe relevant informationdetailareanotwillthe relevant informationDebugcolorthe relevant information(the relevant informationregionormotionregion).notrecommendsetthe relevant information, usingavoidthe relevant informationNonethe relevant informationismotionregion.asISOthe relevant information, thisthe relevant informationvaluethe relevant informationwhenincrease. WarpStdRangeParametercontrolthe relevant informationregionandmotionregionnoisethe relevant informationrangeofratio.Parameterthe relevant information: WarpStdRange[0] < WarpStdRange[1]. the relevant informationunder, recommenduseDefault Value, thisParameterinnotsameISOthe relevant informationunderchangenotthe relevant information.

the relevant informationmotionthe relevant information

recommendtuningflow:

  • adjustthe relevant informationAcbdSadAdj

    3DNRalgorithmthe relevant informationregionthe relevant informationofthe relevant informationdoisthe relevant information, AcbdSadAdj[0] ~ [3]respectivelythe relevant informationvariousregionthe relevant informationofthe relevant informationParameter, thisthe larger the value, thisthe relevant informationresultofthe relevant informationmorelow.

  • adjustdetail/noisethanAcbdEdgeAdj

    adjustdetailnoisethanhasthe relevant informationinthe relevant informationalgorithmthe relevant informationcurrentthe relevant informationofthe relevant informationtexturedetailthe relevant informationnoise.lowISOunder, Edgethe relevant information(detail)the relevant information, noisethe relevant information, becausethisthanthe relevant information.highISOunderEdgethe relevant informationandnoisethe relevant informationnotthe relevant information, becausethisthanthe relevant information.detailnoisethanwillimpactthe relevant informationwhenofthe relevant information, the larger the valuethe relevant informationmorelow. inhighISOthe relevant informationunder, isavoidnoiseimpactmotionthe relevant informationamountprethe relevant information, recommendwillAcbdSadAdjsetisthe relevant information. thisparameter settingsrecommendasISOthe relevant informationandthe relevant informationwhenincrease.

  • adjustFlowJndTh

    motionthe relevant informationamountoflengthwillformotionstatusperformthe relevant informationcorrection, reducelowthisthe relevant informationcanthe relevant informationmotionthe relevant informationofmotiondetectionthe relevant information, reducelowthe relevant information.presetthe relevant informationis3, notrecommenddothe relevant informationofadjust.

5.17. CNR

5.17.1. CNR Tuningmethod

CNR (Color Noise Reduction) the relevant informationchroma noisesuppressionFunction.

5.17.1.1. Function Description

CNRmainlythe relevant informationinYUV domainperformthe relevant informationchroma noiseprocess.the relevant informationimagethe relevant informationedgedirection, the relevant informationdirectionperformnoise reduction, the relevant informationinsuppressionchroma noiseofsamewhen, avoidthe relevant informationedgethe relevant informationcolorthe relevant information.

5.17.1.2. Key Parameters

Table 5.29 CNRKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

CNRmoduleEnabled.

0: close.

1: Enabled.

OpType

[0, 1]

0

CNRoperationtype.

0: Automatic mode(OP_TYPE_AUTO).

1: Manual mode(OP_TYPE_MANUAL).

MedianFltEnable

[0, 1]

1

UVchannelprefilteringprocessEnabled.Enable = 1whentake effect.

0: close.

1: Enabled.

SubImgNrEdgeDirPN

[0, 255]

11

the relevant information(the relevant information)45the relevant informationdirectiondeterminethreshold.the larger the value, morethe relevant informationdetermineisNonedirection.the relevant information, the relevant informationedgethe relevant informationcolorthe relevant information.

SubImgNrEdgeDirHV

[0, 255]

11

the relevant information/the relevant informationdirectiondeterminethreshold.the larger the value, morethe relevant informationdetermineisNonedirection.the relevant information, the relevant informationedgethe relevant informationcolorthe relevant information.

SubImgNrDirFltThrU

[0, 255]

[4, 8, 12, 16, 20]

andSubImgNrDirFltStrUthe relevant informationsamecontrolUchannelnoise reductionstrength.

SubImgNrDirFltStrU

[0, 16]

[16, 8, 4, 2, 1, 0]

andSubImgNrDirFltThrUthe relevant informationsamecontrolUchannelnoise reductionstrength.

SubImgNrDirFltThrV

[0, 255]

[4, 8, 12, 16, 20]

andSubImgNrDirFltStrVthe relevant informationsamecontrolVchannelnoise reductionstrength.

SubImgNrDirFltStrV

[0, 16]

[16, 8, 4, 2, 1, 0]

andSubImgNrDirFltThrVthe relevant informationsamecontrolVchannelnoise reductionstrength.

CnrBypass2

[0, 1]

0

according tobrightnessdifference, saturation, colordifference, motionstatusadjustCNRstrengthofFunctionEnabled.

0: Enabled.

1: close.

CnrSatPrtThr

[0, 31]

[4, 8, 12, 16, 20]

lowsaturationthreshold.saturationlowinCnrSatPrtThrpart of, CNRstrengthbyCnrSatStrHcontrol.

CnrSatStrH

[0, 32]

16

controllowsaturationareaofCNRstrength.the larger the value, noise reductionstrengthmorethe relevant information.

CnrSatStrT

[0, 32]

0

controlhighsaturationareaofCNRstrength.the larger the value, noise reductionstrengthmorethe relevant information.

CnrSatRange

[0, 3]

2

controlhighthe relevant informationandthreshold.the larger the value, highthe relevant informationandthe relevant informationthe larger the value, CnrSatStrHforhighthe relevant informationandareaofimpactrangemorethe relevant information.

CnrUVThr

[0, 32]

0

lowcolordifferencethreshold.colordifferencelowinCnrUVThrpart of, CNRstrengthbyCnrUVStrHcontrol.

CnrUVStrH

[0, 64]

32

controllowcolordifferenceareaofCNRstrength.the larger the value, noise reductionstrengthmorethe relevant information.

CnrUVStrT

[0, 64]

0

controlhighcolordifferenceareaofCNRstrength.the larger the value, noise reductionstrengthmorethe relevant information.

CnrUVRange

[0, 4]

2

controlhighcolordifferencethreshold.the larger the value, highcolordifferencethe relevant informationthe larger the value, CnrUVStrHforhighcolordifferenceareaofimpactrangemorethe relevant information.

CnrYThr

[0, 31]

0

brightnessdifferencethreshold.brightnessdifferencelowinCnrYThrpart of, CNRstrengthbyCnrYStrHcontrol.

CnrYStrH

[0, 32]

16

controlbrightnessdifferencethe relevant informationofareaofCNRstrength.the larger the value, noise reductionstrengthmorethe relevant information.

CnrYStrT

[0, 32]

0

controlbrightnessdifferencethe relevant informationofareaofCNRstrength.the larger the value, noise reductionstrengthmorethe relevant information.

CnrYRange

[0, 3]

2

brightnessdifferencethreshold.the larger the value, highbrightnessdifferencethe relevant informationthe larger the value, CnrYStrHforhighbrightnessdifferenceareaofimpactrangemorethe relevant information.

CnrByMotion

[0, 31]

[31, 16, 8]

controlnotsamemotionstatusunderCNRstrength.CnrByMotion[0]~CnrByMotion[2]respectivelycorrespondingstatic region, transition region, motionregion.

5.17.1.3. Tuning Steps

indoParametertuningbefore, firstverify Table 5.30 listedmodulealreadythroughcompletetuning, andKey ParametersofDefault Valuethe relevant information Table 5.29 to configure.

Table 5.30 CNRpretuningofrelatedmodule

module

status/value

BLC

Tuned

DPC

Tuned

CrossTalke Removal

Tuned

LSC

Tuned

BNR

Tuned

Demosaic

Tuned

Gamma

Tuned

CCM

Tuned

AWB

Tuned

Dehaze

Tuned (if enabled)

CLUT

Tuned (if enabled)

LDCI

Tuned

DCI

Tuned

PreSharpen

Tuned

3DNR

Tuned

adjustoverallnoise reductionstrength

CNRmodulethroughthe relevant informationfilteringprocessforUVchanneldooverallofnoise reductionprocess.relatedParameterhas SubImgNrDirFltThrU , SubImgNrDirFltStrU , SubImgNrDirFltThrV , SubImgNrDirFltStrV, as Figure 5.36 as shown.among themdiffisthe relevant informationdomainthe relevant informationandcurrentpointthe relevant informationofdifferencethe relevant information, weightingTableindicatecorrespondingweight.generallyParametertrendis: diffthe larger the value, correspondingweightingmorethe relevant information.Thr0~Thr4, Str0~Str5that isisSubImgNrDirFltThrU/V[0]~[4], SubImgNrDirFltStrU/V[0]~[5].filteringstrengthmorethe relevant information, the relevant informationchroma noisethe relevant informationthe stronger.butifstrengththe relevant information, the relevant informationwillthe relevant informationcolor, saturationlossetc.colorthe relevant information.tuningwhen, the relevant informationenhancementfilteringstrength, the relevant informationchroma noisethe relevant informationprocessthe relevant informationthanthe relevant information.

_images/Module0450.png

Figure 5.36 the relevant informationfilteringstrength

Note: the relevant informationoftuning, canwillCnrBypass2setisEnable, avoidthe relevant informationofprocessimpactimagethe relevant informationresult.

according tobrightnessdifference, colordifference, saturation, motionstatusadjustnoise reductionstrength

thisthe relevant informationcanaccording toreferencethe relevant informationandcurrentthe relevant informationofbrightnessdifference, colorthe relevant informationdifferencesetnotsameofnoise reductionstrength.the relevant informationcanaccording toreferencesaturationandmotionstatussetnotsameofnoise reductionstrength.

brightnessdifference-noise reductionstrengthcurveas Figure 5.37 as shown.among them, CnrYHiThr = 2^(CnrYRange + 3).

_images/Module04500.png

Figure 5.37 brightnessdifference-noise reductionstrengthtrendFigure

colordifference-noise reductionstrengthcurveas Figure 5.38 as shown.among them, CnrUVHiThr = 2^(CnrUVRange + 3).

_images/Module045000.png

Figure 5.38 colordifference-noise reductionstrengthtrendFigure

referencesaturation-noise reductionstrengthcurveas Figure 5.39 as shown.among them, CnrSatHiPrtThr = 2^(CnrSatRange + 3).

_images/Module0450000.png

Figure 5.39 referencesaturation-noise reductionstrengthtrendFigure

CnrByMotion[0] ~ CnrByMotion[2] , respectivelycontrolstatic region, transition region, motionregionofnoise reductionstrength.

5.18. CA

5.18.1. CATuning Method

5.18.1.1. Function Description

CA modulemainlyin YUV domain docolordomainadjustofoperation, supportthe relevant informationnotsameofmode, CAmodeandCPmode.CAmodethe relevant informationcolorthe relevant information (U, V) ofthe relevant informationadjust, canaccording tobrightness Y and ISOthe relevant informationdetermineUVofgain, the relevant informationandthe relevant informationadjustthe relevant informationsaturationofitemof, the relevant informationofcolorthe relevant information, samewhenreducelowthe relevant informationofchroma noise.CPmodethe relevant informationgenerallyuseinthe relevant informationabovecolor, andthe relevant informationhasbrightnessinformation, CPmodecanthe relevant informationbybrightnessYfindcorrespondingthe relevant informationYUVOutputthe relevant information.

5.18.1.2. Key Parameters

Table 5.31 CAKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

CAmoduleEnabled.

0: close.

1: Enabled.

CaCpMode

[0, 1]

0

CA modeselect:

0: CA mode.

1: CP mode.

ISORatio

[0, 2047]

128

CAmode, according toISOthe relevant informationfindUVofgain.allthe relevant informationpointofUVadjustgainthe relevant informationsameof, recommendinlowISOofwhenthe relevant informationthisgaincansetthe relevant information, andhighISOwhenthisgainthe relevant informationcansettingthe relevant information, the relevant informationsuppressiondark areaofchroma noise.

YRatioLut[256]

[0, 2047]

128

CAmode, according tobrightnessYfindUVofgain.thisthe relevant informationaccording to differentbrightnessetc.the relevant informationcansetnotsameofUVgain, recommendinbright areaofgaincansetthe relevant information, colorwillthe relevant informationisthe relevant information, anddark areaofgaincansetthe relevant information, the relevant informationsuppressiondark areachroma noise.

CPLutY[256]

[0, 255]

CPmode, according tobrightnessYfindLUTcorrespondingYthe relevant information.

CPLutU[256]

[0, 255]

CPmode, according tobrightnessYfindLUTcorrespondingUthe relevant information.

CPLutV[256]

[0, 255]

CPmode, according tobrightnessYfindLUTcorrespondingVthe relevant information.

5.18.1.3. Precautions

CAmodeandCPmodethe relevant informationamong themthe relevant information, notthe relevant informationsamewhenuse.

5.19. DCI

5.19.1. DCI Tuningmethod

5.19.1.1. Function Description

the relevant informationforincontrastthanbrightnessthe relevant information.imageinthroughthe relevant informationISP pipelineprocessthe relevant informationofresultthe relevant informationimagecontrastnotthe relevant information, becauseanddecreaseinbright areaordark areaofdetail.DCIthe relevant informationinhistogramthe relevant informationofmethod, canenhancementoverallimageofcontrast, samewhencanadjustmentParameterthe relevant informationofbright areaanddark areadetail.

5.19.1.2. Key Parameters

Table 5.32 DCIKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

DCImoduleEnabled.

0: close.

1: Enabled.

CurveMode

[0, 1]

1

DCIoperationtype.

0: Automatic mode (DCI_CURVE_AUTO).

1: Manual mode (DCI_CURVE_MANUAL).

2: the relevant informationmode (DCI_CURVE_DEHAZE) the relevant informationin:5.13 Dehaze .

DciStrength

[0, 8192]

50

Automatic modetakes effect under.the relevant informationcontrolDCIofstrength.the larger the value, contrastmorethe relevant information.

DciGamma

[10, 31]

10

Manual modetakes effect under.the relevant informationcontrolbrightnessthe relevant informationdegree.the larger the value, brightnessthe relevant informationdegreemorethe relevant information.

DciOffset

[1, 15]

1

Manual modetakes effect under.DciOffsetusingthe relevant informationlinear.

DciContrast

[0, 3]

2

Manual modetakes effect under.the relevant informationcontrolcontraststrength, the larger the value, contrastmorethe relevant information.

Control Points Num

[2, 32]

2

Manual modetakes effect under, manualdragcurveofpointnumber.

Speed

[0, 500]

30

DCIcurvewhenthe relevant informationdomainabovechangeofthe relevant information.numberthe larger the value, whenthe relevant informationdomainchangemorethe relevant information, conversely, the relevant informationchangethe faster.

Sensitivity

[0, 255]

0

DCIthe relevant informationdegree.the larger the value, morethe relevant information, cputhe relevant informationmorethe relevant information.

5.19.1.3. Tuning Steps

indoParametertuningbefore, firstverify Table 5.33 listedmodulehas been adjusted toreasonableofstatus, andKey ParametersofDefault Valuethe relevant information Table 5.32 to configure.

Table 5.33 DCIpretuningofrelatedmodule

module

status/value

WDR

Tuned (if enabled)

BLC

Tuned

AWB

Tuned

DPC

Tuned

CrossTalk Removal

Tuned

LSC

Tuned

DRC

Tuned

Demosaic

Tuned

CCM

Tuned

Gamma

Tuned

Dehaze

Tuned (if enabled)

CLUT

Tuned (if enabled)

LDCI

Tuned

3DNR

Tuned

tuningprinciple: forinAutomatic mode, through DciStrength adjustcontraststrengththat iscan. forinManual mode, canthe relevant informationthrough DciGamma , DciContrast , DciOffset determinethe relevant informationbasicofbrightnessthe relevant informationcurve.ifthiswhenthe relevant informationforthe relevant informationbrightnessperformadjust, cantunehigh Control Points Num .the relevant informationinbeforegenerateofbasiccurve, adjustcontrol point, dothe relevant informationofadjust.

Note: ifframethe relevant information, canthe relevant informationDCIFunction, the relevant informationverifywhetherthe relevant informationhasthisthe relevant information.ifhas, the relevant informationcanthroughParameter Speed the relevant information.itsnumberthe larger the value, DCI inwhenthe relevant informationdomainabovechangeofthe relevant informationmorethe relevant information, framemorenotwillthe relevant information.

5.20. LDCI

5.20.1. LDCI Tuningmethod

5.20.1.1. Function Description

the relevant informationforincontrastthanbrightnessthe relevant information.imageinthroughthe relevant informationISP pipelineprocessthe relevant informationofresultthe relevant informationimagecontrastnotthe relevant information, becauseanddecreaseinbright areaordark areaofdetail.LDCIthe relevant informationinforimagethe relevant informationstatisticsofmethod, enhancementimageofthe relevant informationcontrast.

5.20.1.2. Key Parameters

Table 5.34 LDCIKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

LDCImoduleEnabled.

0: close.

1: Enabled.

OpType

[0, 1]

0

LDCIoperationtype.

0: Automatic mode (OP_TYPE_AUTO).

1: Manual mode (OP_TYPE_MANUAL).

LdciStrength

[0, 255]

[20,80,128,128,128,128,96,64,64]

according to differentofbrightness, donotsamestrengthofcontrastthe relevant information.

AdaptiveGainMax

[0, 255]

24

according tocurrentpointbrightnessandthe relevant informationbrightnessofdifference, donotsamestrengthofcontrastthe relevant information.the larger the value, brightnessdifferencethe relevant informationofpoint, contrastthe relevant informationdegreemorethe relevant information.

AdaptiveGainMin

[0, 255]

40

according tocurrentpointbrightnessandthe relevant informationbrightnessofdifference, donotsamestrengthofcontrastthe relevant information.the larger the value, brightnessdifferencethe relevant informationofpoint, contrastthe relevant informationdegreemorethe relevant information.

FBCStrength

[0, 31]

2

the relevant informationprotectionFunction.0TableindicateFunctionnotenable; the relevant information0TableindicateFunctionenable, andandthe smaller the value, the relevant informationbrightnessprotectiondegreemorethe relevant information.

5.20.1.3. Tuning Steps

indoParametertuningbefore, firstverify Table 5.35 listedmodulehas been adjusted toreasonableofstatus, andKey ParametersofDefault Valuethe relevant information Table 5.34 to configure.

Table 5.35 LDCIpretuningofrelatedmodule

module

status/value

WDR

Tuned (if enabled)

BLC

Tuned

AWB

Tuned

DPC

Tuned

CrossTalk Removal

Tuned

LSC

Tuned

DRC

Tuned

Demosaic

Tuned

CCM

Tuned

Gamma

Tuned

Dehaze

Tuned (if enabled)

CLUT

Tuned (if enabled)

3DNR

Tuned

Step 1. the relevant information, adjust LdciStrength , according toimageinnotsamebrightnessunderTablethe relevant information, donotsamedegreeofcontrastthe relevant information.generallydark areaofthe relevant informationwillthanthe relevant information, avoidenhancementnoise.

Step 2. adjustment AdaptiveGainMin and AdaptiveGainMax , Gainmorethe relevant information, contrastthe stronger.

  • strengthGain-brightnessdifferencecurvechangetrendFigure

_images/Module049.png

Step 3. according tothe relevant informationofTablethe relevant information, adjust FBCStrength , the relevant informationbrightnessthe relevant informationRequirements.

5.21. CA_Lite

5.21.1. CA_Lite Tuningmethod

5.21.1.1. Function Description

CA_Litemodulecanaccording tosaturationthe relevant informationdetermineUVofgainthe relevant information, the relevant informationandthe relevant informationadjustthe relevant informationsaturationofitemof, the relevant informationitscanthe relevant informationreducelowimageofchroma noise, the relevant information, the relevant informationcanaccording tousethe relevant informationtunethe relevant informationsaturation, the relevant informationoverallframethe relevant information.

5.21.1.2. Key Parameters

Table 5.36 CA_LiteKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

CA_LitemoduleEnabled.

0: close.

1: Enabled.

Ca2In[6]

[0, 192]

[ 4 , 8 , 1 2 , 1 8 , 3 2 , 1 9 2 ]

bythe relevant informationvaluethe relevant informationofnumberthe relevant information, determineInputsaturationetc.the relevant information.

Ca2Out[6]

[0, 2047]

[ 1 2 8 , 1 2 8 , 1 2 8 , 1 2 8 , 1 2 8 , 1 2 8 ]

bythe relevant informationvaluethe relevant informationofnumberthe relevant information, defineOutputofUVgain.according toInputsaturationfindUVofgain, the larger the value, saturationmorehigh; conversely, the relevant informationmorethe relevant information.

5.21.1.3. Tuning Steps

forcolornoisethe relevant informationofsceneWDReffectunderthe relevant informationinthe relevant informationandofarea, canaccording toRequirementsadjustmentParameter CA2In[6] and CA2Out[6] , respectivelyforthe relevant informationInputsaturationofrange, determineitscorrespondingUVgain, the relevant informationoverallimageofsaturation, the relevant information.

5.22. Sharpen

5.22.1. Sharpen Tuningmethod

5.22.1.1. Function Description

Sharpenmoduleused forenhancementimagesharpness, mainlyused forenhancementimagethe relevant informationofthe relevant informationedge.throughnotsamethe relevant informationoffilteringresultthe relevant information, the relevant informationnotsameareasharpnessenhancementstrengthnotsame.validenhancementedgesharpnessofsamewhen, suppressionnoise.samewhenthe relevant informationsharpeningthe relevant informationofwhite edgethe relevant informationpoint(Over Shoot)andblack edgethe relevant informationpoint(Under Shoot)suppression.

5.22.1.2. Key Parameters

Table 5.37 SharpenKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

SharpenmoduleEnabled.

0: close.

1: Enabled.

OpType

OP_TYPE_AUTO,

OP_TYPE_MANUAL

OP_TYPE_AUTO

operationtype

OP_TYPE_AUTO: Automatic mode

OP_TYPE_MANUAL: Manual mode

EE1CoringThr

[0, 255]

2

Edge weightofcoringthe relevant information.Edge weightless thanEE1CoringThrpart of, the relevant informationisthe relevant informationnoiseproduceofstrengththe relevant information, the relevant informationpartofsharpeningstrengthis0.

NoiseLut

[0, 255]

[35, 35, 35, 35, 35, 32, 30, 28, 26, 24, 22, 20, 18, 16, 16, 16, 16]

noisestrengthsetting.according tobrightnessnotsame, setnotsameofnoisestrength.noisestrengthmorethe relevant information, sharpeningstrengthmorethe relevant information.

NoiseBase

[0, 255]

25

overallofnoisestrength.noisestrengthmorethe relevant information, sharpeningstrengthmorethe relevant information.

EE1FlatThr

[0, 2047]

250

flat regionthe relevant informationthreshold.

EE1EdgeThr

[0, 2047]

350

edgeregionthe relevant informationthreshold.

EE1FlatRegionStr

[0, 255]

128

controlflat regionofsharpeningstrength.the larger the value, sharpeningstrengthmorethe relevant information.

EE1EdgeRegionStr

[0, 255]

128

controledgeregionofsharpeningstrength.the larger the value, sharpeningstrengthmorethe relevant information.

MotionEn

[0, 1]

1

according tomotionstatusnotsame, adjustsharpeningstrengthofEnabledswitch.

EE1MotionStr

[0, 255]

127

controlsharpeningstrength.whenMotionEn = 0when, impactoverallofsharpeningstrength; whenMotionEn = 1when, impactmotionregionofsharpeningstrength.the larger the value, sharpeningstrengthmorethe relevant information.

EE1StaticStr

[0, 255]

255

controlstatic regionofsharpeningstrength.MotionEn = 1whentake effect, the larger the value, static regionofsharpeningstrengthmorethe relevant information.

EE1TransStr

[0, 255]

255

controltransition regionofsharpeningstrength.MotionEn = 1whentake effect, the larger the value, transition regionofsharpeningstrengthmorethe relevant information.

EE2BalanceRatio

[0, 255]

64

the relevant informationbrightness(rawbrightness, rawbrightnessdegamma)underfilteringresultoffusionweight.the smaller the value, more biased towardrawbrightnessoffilteringresult.

EE2CoringThr

[0, 255]

0

edgefeature valuethreshold.feature valueless thanEE2CoringThrpart of, the relevant informationisthe relevant informationnoise, sharpeningstrengthis0.

EE2SharpStr

[0, 255]

60

sharpeningstrengthcoefficient.the larger the value, sharpeningstrengthmorethe relevant information.

SatShtCtrlEn

[0, 1]

1

bysaturationadjustedgeenhancementofEnabled

0: close

1: Enabled

HueShtCtrl[33]

[0, 63]

the relevant information inthe relevant informationofcolordoedgeenhancement

SatShtGainIn[4]

[0, 255]

[0, 8, 16, 192]

based on the specifiedsaturationdoedgeenhancement, thisisInputnode, Inputsaturation.

SatShtGainOut[4]

[0, 128]

[0, 0, 128, 128]

based on the specifiedsaturationdoedgeenhancement, thisisOutputnode, Outputcorrespondingsaturationofedgestrength.

OverShootRatio

[0, 255]

32

white edgesuppression.the smaller the value, white edgesuppressiondegreemorethe relevant information.

UnderShootRatio

[0, 255]

96

black edgesuppression.the smaller the value, black edgesuppressiondegreemorethe relevant information.

5.22.1.3. Tuning Steps

indoParametertuningbefore, firstverify Table 5.38 listedmodulealreadythroughcompletetuning, andKey ParametersofDefault Valuethe relevant information Table 5.37 to configure.

Table 5.38 Sharpen pretuningofrelatedmodule

module

status/value

BLC

Tuned

DPC

Tuned

CrossTalk Removal

Tuned

LSC

Tuned

CCM

Tuned

BNR

Tuned

AWB

Tuned

DRC

Tuned

Demosaic

Tuned

Gamma

Tuned

LDCI

Tuned

DCI

Tuned

PreSharpen

Tuned

3DNR

Tuned

overallsharpeningstrengthofadjust

adjust EE2SharpStr, determinesharpeningofoverallstrength.

noisethe relevant informationofadjust

the relevant informationadjust NoiseBase determineoverallofnoisethe relevant information.the relevant informationadjust NoiseLut , generallydark areaofnoisethe relevant information, brightnessmorethe relevant information, noisethe relevant informationreducelow.noisethe relevant informationmorethe relevant information, sharpeningstrengthmorethe relevant information.

according toareatypenotsame, setnotsameofsharpeningstrength

adjust EE1FlatThr , EE1EdgeThr, feature valueless thanEE1FlatThrofareawillthe relevant informationflat region, feature valuegreater thanEE1EdgeThrwillthe relevant informationisedgeregion, itsthe relevant informationareaistextureregion.the relevant informationadjust EE1FlatRegionStr , EE1EdgeRegionStr, respectivelydetermineflat region, edgeregionofsharpeningstrength.as Figure 5.40 as shown.

_images/Module04111.png

Figure 5.40 feature value—sharpeningstrengthtrendFigure

according tocolorinformationadjustsharpeningstrength

SatShtGainIn[4] , SatShtGainOut[4] determinenotsamesaturationundersharpeningstrength, 4the relevant informationnodecantune. HueShtCtrl[33] determinenotsamecolortuneundersharpeningstrength, 33the relevant informationnodecantune.

according tomotionstatusadjustsharpeningstrength

will MotionEn setis1, through EE1MotionStr , EE1TransStr , EE1StaticStr respectivelycontrolmotionregion, transition region, static regionofsharpeningstrength.

forthe relevant informationnoisedothe relevant information

adjust EE1CoringThr , EE2CoringThr , the larger the value, the relevant informationsharpeningthe relevant informationofthe relevant informationnoisemorethe relevant information.butsamewhenthe relevant informationNotethe relevant informationtextureofloss.

the relevant information, EE2BalanceRatio fornoiseTablethe relevant informationhasimpact.generallythe larger the value, bright areanoisethe more obvious; the smaller the value, dark areanoisethe more obvious.

the relevant informationwhite edgecontrol

adjust OverShootRatio , UnderShootRatio, respectivelysuppressionwhite edgeandblack edge.the smaller the value, suppressionthe relevant informationmorethe relevant information.

5.23. Auto Exposure

5.23.1. Auto Exposure Tuningmethod

5.23.1.1. Function Description

linearmode

AE modulemainlyFunctionthe relevant informationaccording toimageofstatisticsinformationandsettingofframetargetbrightnessthanthe relevant information , dynamicofadjustframebrightnessusingthe relevant informationexpectedoftargetbrightness , whenframebrightnesshighintargetbrightnesswhen , AE willreducelowexposureamount , converselythe relevant informationhighexposureamount , AEmainlythe relevant informationcontrolexposure time , exposuregain , andaperturethe relevant informationwaythe relevant informationadjustexposureamount, according to differentsceneofneed ,cansetthe relevant informationnotsameofAE exposurethe relevant information(route)the relevant informationcorresponding , exampleas : dynamicscenethe relevant informationwhen , needcorrespondingthe relevant informationofexposure time , avoidthe relevant informationproducemotionthe relevant information , inthe relevant informationscenewhen , the relevant informationusingthe relevant informationlongofexposure timethe relevant information , canreducelowframeofnoisethe relevant information , the relevant informationofimagequality .

WDR mode

whensceneofthe relevant informationdifferencethe relevant informationwhen, byinlinearmodeunder AE the relevant informationsettingthe relevant informationexposure , becausethisthe relevant informationandthe relevant informationorthe relevant information, Nonethe relevant information , ifthe relevant informationexposurenormal, the relevant informationwillbecausethe relevant informationandNonethe relevant informationdetail , conversely , ifthe relevant informationexposurenormal , the relevant informationwillbecausethe relevant informationandthe relevant informationnotthe relevant informationdetail , thiswhenthe relevant informationneed WDR ofthe relevant informationexposurethe relevant informationthisthe relevant information ,respectivelyforthe relevant informationdolongthe relevant informationandthe relevant informationdothe relevant information , asthisthe relevant informationcansamewhenthe relevant informationscenethe relevant informationofthe relevant informationandthe relevant informationexposurenormal , the relevant informationofimage.

AE Route

maximumsupport 16 the relevant informationnode , the relevant informationnodehasexposure time , gain , aperturethe relevant informationamount , exposure timeofunitis us , recommendnotthe relevant informationsetofthe relevant information , avoid sensor Nonethe relevant informationsupportthe relevant informationofexposure time , nodeexposureamountthe relevant informationexposure time , gainandapertureofthe relevant information , nodeexposureamountthe relevant informationtunethe relevant informationof ,the relevant informationnodeexposureamountgreater thanoretc.inthe relevant informationnodeexposureamount , numberthe relevant informationnodeexposureamountminimum , the relevant informationnodeexposureamountmaximum , adjacentnodeexposureamountincreasewhen , the relevant informationnodethe relevant informationwillhasthe relevant informationamountincrease , itsthe relevant informationamountfixed, increaseofthe relevant informationamountdeterminethisthe relevant informationofthe relevant information.

AE RouteEx

usewaythe relevant informationand Route the relevant informationsame , butgaincanrespectivelysettinganaloggain, digitalgain, ISP digitalgain , canbysettingAERouteExValid the relevant informationdetermineuse route orthe relevant information routeEx

SmartExposure

ifsupportthe relevant informationdetectionwhen , canuse Intelligent AE according todetectionthe relevant informationofthe relevant informationmeteringFunction

Iris

iflenssupportapertureswitchFunction , AE canaccording toenvironmentbrightnessautomaticswitch Iris , thisFunctionitemthe relevant informationsupport

5.23.1.2. Key Parameters

Table 5.39 AEKey Parameters

Parameter

Value Range

Default Value

Description

Bypass

[0, 1]

0

AE Module FunctionsEnabled , ByPass istrue when , AEExposure Parameter Settingsnottake effect , the relevant informationinbeforeofexposureParameter

OpType

[0, 1]

0

manualexposureandautomaticexposuremodeswitch.

AERunInterval

[1, 255]

1

AEalgorithmrunofthe relevant informationnumberthe relevant information

AERouteExValid

[0, 1]

0

AE use routeEx Enabled

HistStatAdjust

[0, 1]

0

AE willaccording toscenebright areaofstatisticsthe relevant informationautomaticadjustexposure,the relevant informationexposurethe relevant informationofsceneuse

AEGainSepCfg

[0, 1]

0

WDR mode when, long/short frameof gainwhetherrespectivelysetting

ExpTimeOpType

[0, 1]

0

manualexposure timeEnabled

GainType

[0, 1]

0

manualexposureofgainusing ISO num the relevant informationusing Gain ofwaythe relevant informationcontrol

0:AE_TYPE_GAIN;

1:AE_TYPE_ISO;

ISONumOpType

[0, 1]

0

manualexposure ISO numEnabled

AGainOpType

[0, 1]

0

manualexposureanaloggainEnabled.

DGainOpType

[0, 1]

0

manualexposuredigitalgainEnabled

ISPDGainOpType

[0,1]

0

manualexposure ISP digitalgainEnabled

ExpTime

[0, 214 7483647]

16384

manualexposure time , usingthe relevant information(us) isunit, specificrangeand sensor related

Again

[1024, 214 7483647]

1024

manualexposureanaloggain , 10 bits decimal precision , specificrangeand sensor related

DGain

[1024, 214 7483647]

1024

manualexposuredigitalgain , 10 bits decimal precision , specificrangeand sensor related

ISPDGain

[1024, 214 7483647]

1024

manualexposureISPdigitalgain , 10 bits decimal precision

ISONum

[100, 214 7483647]

100

manualexposure ISO num , specificrangeand sensor related

ExpTimeRangeMax

[0, 214 7483647]

1 00000

automaticexposure timemaximum value , usingthe relevant information(us)isunit,specificrangeandsensor related

ExpTimeRangeMin

[0, 214 7483647]

10

automaticexposure timeminimum value , usingthe relevant information(us)isunit,specificrangeand sensor related

ISONumRangeMax

[100, 214 7483647]

1280 00000

automaticexposure ISO Num maximum value,specificrangeand sensor related

ISONumRangeMin

[100, 214 7483647]

100

automaticexposure ISO Num minimum value,specificrangeand sensor related

AGainRangeMax

[1024, 214 7483647]

2 04800

automaticexposureanaloggainmaximum value,specificrangeand sensor related

AGainRangeMin

[1024, 214 7483647]

1024

automaticexposureanaloggainminimum value,specificrangeand sensor related

DGainRangeMax

[1024, 214 7483647]

2 04800

automaticexposuredigitalgainmaximum value,specificrangeand sensor related

DGainRangeMin

[1024, 214 7483647]

1024

automaticexposureanaloggainminimum value,specificrangeand sensor related

ISPDGainRangeMax

[1024, 262144]

32767

automaticexposure ISP digitalgainmaximum value

ISPDGainRangeMin

[1024, 262144]

1024

automaticexposureISP digitalgainminimum value

SysGainRangeMax

[1024, 214 7483647]

13107 20000

automaticexposuresystemgainmaximum value,specificrangeand sensor related

SysGainRangeMin

[1024, 214 7483647]

1024

automaticexposuresystemgainminimum value,specificrangeand sensor related

GainThreshold

[1024, 429 4967295]

13107 20000

automaticreducethe relevant informationwhenofsystemgainthe relevant informationlimitthe relevant information, 10bitdecimal precision

GridBvWeight

[0, 100]

0

AE meteringthe relevant informationusingblock luma / bvStep the relevant information 2 the relevant information , defaultusing luma ismain , thisParametercansetting luma ismainofmeteringthe relevant information bvStep ofmeteringweight , highthe relevant informationifthe relevant information , canthe relevant informationwhentunehighthisParameterweight

HighLightLumaThr

[0, 255]

224

highthe relevant informationofbrightnessthreshold

HighLightBufLumaThr

[0, 255]

176

highthe relevant informationregionofbrightnessthreshold

LowLightLumaThr

[0, 255]

16

lowthe relevant informationofbrightnessthreshold

LowLightBufLumaThr

[0, 255]

48

lowthe relevant informationregionofbrightnessthreshold

Speed

[0, 255]

64

AE convergencespeed , numberthe larger the value, convergencespeedthe faster

BlackSpeedBias

[0, 65535]

144

framebythe relevant information AE convergencespeedthe relevant informationdifferencethe relevant information , numberthe larger the value, framebythe relevant informationofspeedthe faster

Tolerance

[0, 255]

2

automaticexposureforframebrightnessofthe relevant informationdifference

Compensation

[0, 255]

56

automaticexposureframeoftargetbrightness

EVBias

[0, 65535]

1024

automaticexposureadjustofexposureamountthe relevant informationdifferencethe relevant information , 10bit decimal precision

1024 Tableindicatenotforautomaticexposureperformadjust

AEStrategyMode

[0, 1]

0

automaticexposurethe relevant information,

AE_EXP_HIGHLIGHT_PRIOR : highthe relevant information

AE_EXP_LOWLIGHT_PRIOR : lowthe relevant information

HistRatioSlope

[0, 65535]

128

high/lowthe relevant informationwhen AE targetbrightnessunderreduce/abovethe relevant informationofadjuststep size

MaxHistOffset

[0, 255]

16

high/lowthe relevant informationwhen AE targetbrightnessunderreduce/abovethe relevant informationofmaximumrange

AEMode

[0, 1]

1

automaticexposuremode

AE_MODE_SLOW_SHUTTER: automaticreducethe relevant informationmode

AE_MODE_FIX_FRAME_RATE: fixedthe relevant informationmode

Antiflicker enable

[0, 1]

0

the relevant informationproperty ,defaultthe relevant informationnotEnabled

AntiflickerFrequency

[0, 1]

0

the relevant informationfrequency , the relevant informationpropertyenablethe relevant informationvalid

0 : 60HZ

1: 50H

Antiflicker.Mode

[0, 1]

0

the relevant informationmode : the relevant informationmode/automaticthe relevant informationmode

Subflicker.enable

[0, 1]

0

the relevant informationpropertyset.defaultthe relevant informationnotEnabled.

Subflicker.lumaDiff

[0, 255]

0

the relevant informationdegreeset

AEDelayAttr.BlackDelayFrame

[0, 255]

0

imagebrightnessless thantargetbrightnesswhenthe relevant informationBlackDelayFramethe relevant informationwhen, AEthe relevant informationadjustment

AEDelayAttr.WhiteDelayFrame

[0, 255]

0

imagebrightnessgreater thantargetbrightnesswhenthe relevant informationWhite DelayFramethe relevant informationwhen, AEthe relevant informationadjustment.

FSWDRMode

[0, 1]

0

FSWDR runmode.

defaultisISP_FSWDR_NORMAL_MODE.

WDRQuick

[0, 1]

0

WDR modeunder, AEthe relevant information50the relevant informationadjustwhetherperformwhendomainfiltering

ISOCalCoef

[0, 65535]

256

ISO calibrationcoefficient, used forthe relevant informationDCFinformationthe relevant information

displayofISO the relevant informationstandardof, 8bitprecision

AdjustTargetMin

[0, 255]

50

AE inthe relevant informationenvironmentbrightness (LV) whenofbrightnessconvergenceunderlimit

AdjustTargetMax

[0, 255]

60

AE inthe relevant informationenvironmentbrightness (LV) whenofbrightnessconvergenceabovelimit

LowBinThr

[0, 256]

10

frame of window statisticsthe relevant informationinthisthe relevant informationusingunderwhen, andthe relevant information windownumberlowinthe relevant information window number 25% , frame metering excludes this window

HighBinThr

[0, 256]

256

frame of window statisticsthe relevant informationinthisthe relevant informationabovewhen, andthe relevant information windownumberlowinthe relevant information window number 10% , frame metering excludes this window

EnableFace AE

[0, 1]

0

the relevant information AE meteringEnabled

FaceTargetLuma

[0, 255]

46

the relevant informationmeteringoftargetbrightness

FaceWeight

[0, 100]

80

the relevant informationmeteringandoverallenvironmentmeteringofweightratio

WDR mode

Table 5.40 WDR AEKey Parameters

Parameter

Value Range

Default Value

Description

ExpRatioType

[0, 1]

0

only during multi-frame fusion WDR modeundervalid.

OP_TYPE_AUTO : AE according tosceneautomaticthe relevant informationlongthe relevant informationexposurethan.

OP_TYPE_M ANUAL:manualsettinglongshort frameexposurethan.

ExpRatio

[64, 16384]

64

only during multi-frame fusion WDR modeundervalid

when ExpRatioType is OP_TYPE_MANUAL when , settingmanualoflongthe relevant informationexposure, thisthe relevant informationin ExpRatioType is OP_TYPE_AUTO wheninvalid

6 bit decimal precision , 0x40 Tableindicateexposurethanis 1 times

ExpRatioMax

[64, 16384]

16384

only during multi-frame fusion WDR modeundervalid

whenExpRatioType is OP_TYPE_AUTO when , Tableindicatelongshort frameofmaximumexposurethan , thisthe relevant informationin ExpRatioType is OP_TYPE_MANUAL wheninvalid

6 bit decimal precision , 0x40 Tableindicateexposurethanis 1 times

ExpRatioMin

[64, 16384]

256

only during multi-frame fusion WDR modeundervalid.whenExpRatioTypeis OP_TYPE_AUTO when , Tableindicatelongshort frameofminimumexposurethan , thisthe relevant informationin ExpRatioType is OP_TYPE_MANUAL when invalid, 6bit decimal precision , 0x40 Tableindicateexposurethanis 1 times.

Tolerance

[0, 255]

6

only during multi-frame fusion WDR modeundervalidlongshort frameforframebrightnessofthe relevant informationdifference.

Speed

[0, 255]

1024

only during multi-frame fusion WDR modeundervalidautomaticexposurethanadjustmentspeed , numberthe larger the value , speedthe faster.

RatioBias

[0, 65535]

1024

only during multi-frame fusion WDR modeundervalidwhenExpRatioType is OP_TYPE_AUTO when , thisthe larger the value , automaticexposurethanmorethe relevant information , thisthe relevant informationis 1024 when , Tableindicatenotforautomaticexposurethanperformadjust.

SECompensation

[0, 255]

56

short frameoftargetbrightness.

LEAdjustTargetMin

[0, 255]

50

AE long frame frame inthe relevant informationenvironmentbrightness (LV) whenofbrightnessconvergenceunderlimit , recommendadjacent LV underlimitofsettingnotthe relevant informationdifferencethe relevant information , avoid AE convergencethe relevant information.

LEAdjustTargetMax

[0, 255]

60

AE long frame frame inthe relevant informationenvironmentbrightness (LV) whenofbrightnessconvergenceabovelimit , recommendadjacent LV abovelimitofsettingnotthe relevant informationdifferencethe relevant information , avoid AE convergencethe relevant information.

SEAdjustTargetMin

[0, 255]

20

AE short frame frame inthe relevant informationenvironmentbrightness (LV) whenofbrightnessconvergenceunderlimit , recommendadjacent LV underlimitofsettingnotthe relevant informationdifferencethe relevant information , avoid AE convergencethe relevant information.

SEAdjustTargetMax

[0, 255]

56

AE short frame frame inthe relevant informationenvironmentbrightness (LV) whenofbrightnessconvergenceabovelimit , recommendadjacent LV abovelimitofsettingnotthe relevant informationdifferencethe relevant information , avoid AE convergencethe relevant information.

LELowBinThr

[0, 255]

0

AE long frame frame of window statisticsthe relevant informationinthisthe relevant informationusingunderwhen, AE long frame frame metering excludes this window.

LEHighBinThr

[0, 255]

246

AE long frame frame of window statisticsthe relevant informationinthisthe relevant informationabovewhen, andthe relevant information windownumberlowinthe relevant information window number 25% , AE long frame frame metering excludes this window.

SELowBinThr

[0, 255]

8

AE short frame frame of window statisticsthe relevant informationinthisthe relevant informationusingunderwhen , AE short frame frame metering excludes this window.

SEHighBinThr

[0, 255]

246

AE short frame frame of window statisticsthe relevant informationinthisthe relevant informationabovewhen , AE short frame frame metering excludes this window.

FrameAvgLumaMax

[0, 255]

255

long framethe relevant informationbrightnessofabovelimitthe relevant information , long frameofexposurenotwillthe relevant informationthisabovelimitthe relevant information

Table 5.41 AE RouteKey Parameters

Parameter

Value Range

Default Value

Description

TotalNum

[0, 16]

0

AE exposurethe relevant informationofnode count

IntTime

[0, 4294967295]

0

AE route allocation route,nodeexposure time ,unit(us)

SysGain

[1024, 4294967295]

1 024

AE route allocation route , nodeexposuregain, 10 bits decimal precision

enIrisFno

[0, 10]

0

AE route allocation route, nodeaperturethe relevant information

Table 5.42 AE RouteExKey Parameters

Parameter

Value Range

Default Value

Description

TotalNum

[0, 16]

0

AE exposurethe relevant informationofnode count

IntTime

[0, 4294967295]

0

AE routeEx allocation route, nodeexposure time , unit(us)

Again

[1024, 4294967295]

1 024

AE routeEx allocation route, nodeexposureanaloggain, 10 bits decimal precision

Dgain

[1024, 4294967295]

1 024

AE routeEx allocation route, nodeexposuredigitalgain, 10 bits decimal precision

IspDgain

[1024, 4294967295]

1 024

AE routeEx allocation route, nodeexposureISPdigitalgain, 10 bits decimal precision

enIrisFno

[0, 10]

0

nodeaperturethe relevant information

Table 5.43 Statistics ConfigKey Parameters

Parameter

Value Range

Default Value

Description

Weight

[0, 255]

1

AE 17x15 window ofmeteringweightthe relevant information

Exposure Info page, the relevant informationcurrentofAE information.

Table 5.44 AE InfoKey Parameters

Parameter

Value Range

Default Value

Description

ExpTime

[0, 4294967295]

0

AE currentofexposure time , unit : us

ShortExpTime

[0, 4294967295]

0

WDR modewhen , short frameofexposure time, unit(us)

LongExpTime

[0, 4294967295]

0

WDR modewhen , long frameofexposure time , unit(us)

WDRExpRatio

[0, 4294967295]

0

WDR modewhen , currentframe oflong/short frameofexposurethan,

6 bits decimal precision

AGain

[1024, 4294967295]

1 024

AE currentexposureofanaloggain, 10 bits decimal precision

DGain

[1024, 4294967295]

1 024

AE currentexposureofdigitalgain, 10 bits decimal precision

ISPDGain

[1024, 2147483647]

1 024

AE currentexposureofISPdigitalgain , 10 bits decimal precision

Exposure

[64, 4294967295]

64

currentexposureamount, etc.inexposure timeandexposuregainofthe relevant information, among themexposure timeofunitisexposurethe relevant informationnumber, exposuregainis6bitdecimal precision

ExposureIsMax

[0, 1]

0

0: ISP the relevant informationmaximumexposurethe relevant information;

1: ISP the relevant informationmaximumexposurethe relevant information.

HistError

[-32768, 32767]

0

AE current framebrightnessandtargetbrightnessofdifferencethe relevant information

AE_Hist256Value

[0, 4294967295]

0

AE 0~ 255 of histogram the relevant information

AveLum

[0, 255]

0

AE currentframe ofbrightness , WDR modewhen , Tableindicatelong frameitemthe relevant informationof frame brightness.

Fps

[0, 4294967295]

0

the relevant information100 the relevant information, that isisAE currentof frame rate

LinesPer500ms

[0, 4294967295]

0

currentthe relevant information500mscorrespondingexposurethe relevant informationnumber, canused forwillexposure timeofunitbyus the relevant informationnumber

PirisFno

[0, 1024]

0

current P-IrisapertureFthe relevant informationcorrespondingetc.the relevant informationgain

ISO

[100, 2147483647]

100

AE currentexposureof ISO the relevant information

ISOCalibrate

[0, 4294967295]

100

standard ISO, used forthe relevant information DCF informationdisplay.

RefExpRatio

[64, 16384]

64

referenceexposurethan, used forthe relevant informationcurrentsceneofdynamic range

FirstStableTime

[0, 4294967295]

0

the relevant information AE convergencethe relevant informationofwhenthe relevant information, unitisthe relevant information(us)

AERoute.TotalNum

[0, 16]

0

AE currentof route node count

AERoute.RouteNode

[0, 4294967295]

0

AE currentof route the relevant information

AERouteEx.TotalNum

[0, 16]

0

AE currentof routeEx node count

AERouteEx.RouteNode

[0, 4294967295]

0

AE currentof routeEx the relevant information

WDRShortAveLuma

[0, 255]

0

WDR mode short framecurrent frame ofbrightness

LEFrameAvgLuma

[0, 255]

0

WDR mode long framecurrent frame ofthe relevant informationbrightness

SEFrameAvgLuma

[0, 255]

0

WDR mode short framecurrent frameofthe relevant informationbrightness

LightValue

[-32768, 32767]

0

AE the relevant informationcurrentofenvironmentbrightness( LV) the relevant information

AGainSF

[1024, 4294967295]

1 024

AE short framecurrentexposureofanaloggain, 10 bits decimal precision

DGainSF

[1024, 4294967295]

1 024

AE short framecurrentexposureofdigitalgain, 10 bits decimal precision

ISPDGainSF

[1024, 2147483647]

1 024

AE short framecurrentexposureofISPdigitalgain, 10 bits decimal precision

ISOSF

[100, 2147483647]

100

AE short framecurrentexposureof ISO the relevant information

AERouteSF.TotalNum

[0, 16]

0

AE short framecurrentof route node count

AERouteSF.RouteNode

[0, 4294967295]

0

AE short framecurrentof route the relevant information

AERouteSFEx.TotalNum

[0, 16]

0

AE short framecurrentof routeEx node count

AERouteSFEx.RouteNode

[0, 4294967295]

0

AE short framecurrentof routeEx the relevant information

Table 5.45 SmartExposureKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

IntelligentAE Enabled

IRMode

[0, 1]

0

whetheristhe relevant informationmode

SmartExpType

[0, 1]

0

IntelligentAE automatic/Manual modeselect

LumaTarget

[0, 255]

46

IntelligentAE targetbrightness

ExpCoef

[0, 65535]

1 024

Intelligent AE manualexposureadjustofexposurecoefficient

ExpCoefMax

[0, 65535]

4 096

Intelligent AE exposurecoefficientmaximumthe relevant information

ExpCoefMin

[0, 65535]

256

Intelligent AE exposurecoefficientminimumthe relevant information

SmartInterval

[1, 255]

1

IntelligentAE runthe relevant information

SmartSpeed

[1, 255]

32

IntelligentAE adjustspeed

SmartDelayNum

[1, 255]

5

IntelligentAE the relevant informationnumber

Weight

[0, 100]

80

IntelligentAE ofmeteringthe relevant informationthan

NarrowRatio

[0, 100]

75

IntelligentAEthe relevant informationmainthe relevant informationbrightnessofthe relevant informationthanthe relevant information

Table 5.46 AE RouteSFKey Parameters

Parameter

Value Range

Default Value

Description

TotalNum

[0, 16]

0

AE short frameexposurethe relevant informationofnode count

IntTime

[0, 4294967295]

0

AE short framerouteallocation route,nodeexposure time ,unit(us)

SysGain

[1024, 4294967295]

1 024

AE short frame route allocation route , nodeexposuregain, 10 bits decimal precision

enIrisFno

[0, 10]

0

AEshort frame route allocation route,nodeaperturethe relevant information

Table 5.47 AE RouteSFExKey Parameters

Parameter

Value Range

Default Value

Description

TotalNum

[0, 16]

0

AE short frameexposurethe relevant informationofnode count

IntTime

[0, 4294967295]

0

AE short framerouteEx allocation route, nodeexposure time , unit(us)

Again

[1024, 4294967295]

1 024

AE short framerouteEx allocation route, nodeexposureanaloggain, 10 bits decimal precision

Dgain

[1024, 4294967295]

1 024

AE short framerouteEx allocation route, nodeexposuredigitalgain, 10 bits decimal precision

IspDgain

[1024, 4294967295]

1 024

AE short framerouteEx allocation route, nodeexposureISPdigitalgain, 10 bits decimal precision

enIrisFno

[0, 10]

0

short framenodeaperturethe relevant information

Table 5.48 IrisKey Parameters

Parameter

Value Range

Default Value

Description

Enable

[0, 1]

0

automaticapertureEnabled

OpType

[0, 1]

0

automaticapertureormanualaperturemodeselect

IrisType

[0, 1]

0

aperturetype, DC-IrisorP-Iris

IrisStatus

[0, 255]

46

aperturestatus

HoldValue

[0, 65535]

1 024

AIcorrectionthe relevant information, used forDC-Iris oftuning

IrisFNO

[0, 65535]

4 096

manualaperturesize, according toapertureFthe relevant informationperformregionthe relevant information, the relevant informationsupportP-Iris, notsupportDC-Iris.

Kp

[0, 65535]

256

ratiogain,used foradjustmentapertureofswitchspeed, thisthe larger the valueapertureopenandcloseofspeedthe faster

Ki

[1, 255]

1

the relevant informationgain, used foradjustmentapertureofswitchspeed, thisthe larger the valueapertureopenandcloseofspeedthe faster

Kd

[1, 255]

32

the relevant informationgain, used forlimitthe relevant informationchangewhenapertureofswitchspeed, thisthe larger the valuethe relevant informationchangewhenapertureopenandcloseofspeedmorethe relevant information

MinPwmDuty

[1, 255]

5

minimumPWMthe relevant informationthan.thisthe smaller the valueoverexposurewhenapertureclosespeedthe faster

MaxPwmDuty

[0, 100]

80

maximumPWMthe relevant informationthan.thisthe larger the valueframethe relevant informationwhenapertureopenspeedthe faster

OpenPwmDuty

[0, 100]

75

apertureopenwhenofPWMthe relevant informationthan

5.23.1.3. Tuning Steps

Step 1. according tosceneofapplication , canthe relevant informationmeteringthe relevant informationofareasettingmeteringofweight, generallyandthe relevant information, frameofthe relevant informationareawillthe relevant informationthanthe relevant informationofarea , canwillframethe relevant informationofmeteringweighthighinthe relevant informationarea.

Step 2. according tosceneofapplication , settingthe relevant informationof AE route, determinemeteringwhenthe relevant informationwhenthe relevant informationandgainallocation route, hasthe relevant informationRequirementsofscene , exposure timesettingnotthe relevant informationlong, avoidproducemotionthe relevant information , ifinthe relevant informationnoiseTablethe relevant information , inlowbrightnesswhen, canthe relevant informationusethe relevant informationlongofexposure timethe relevant informationhighgain.

Step 3. according to differentofenvironmentbrightness(LV), settingAE oftargetbrightnessandselecthigh/lowthe relevant information, ifinthe relevant informationofdetail , the relevant informationusehighthe relevant informationavoidbright areaoverexposure , the relevant informationscenewhen , the relevant informationcanselectlowthe relevant information , canthe relevant informationhighthe relevant informationofTablethe relevant informationavoidthe relevant information .

Step 4. ifframehasthe relevant informationpropertythe relevant information , canenablethe relevant informationFunction , andselectthe relevant informationofthe relevant informationfrequencythe relevant information ,butifexposure timethe relevant information(60HZ : the relevant informationin8333us , 50Hz : the relevant informationin10000us) , that isthe relevant informationFunctionenable, the relevant informationnotthe relevant informationavoidthe relevant information.

Step5. canaccording toenvironmentbrightness , the relevant informationdefinethe relevant informationlong,short frame AEconvergencebrightnessofabove,underlimit , indaytimethe relevant informationofscene , above,limitcansettinghighthe relevant informationpoint , innightofscene, above, underlimitcansettinglowthe relevant informationpoint , recommendadjacent LV the relevant information, above,underlimitofregionthe relevant informationnotthe relevant informationdifferencethe relevant information , avoid AE convergencethe relevant information , settingofabove,underlimitregionthe relevant informationofrange , willimpactAEautomaticadjustconvergencebrightnessofresult(long framethe relevant information, short framethe relevant information) , settingofregionthe relevant informationmorethe relevant information , AE the relevant informationadjustofrangewillmorethe relevant information.

— End


5.24. Auto Focus

5.24.1. Auto Focus Tuningmethod

5.24.1.1. Function Description

AF(automaticfocus)modulethroughanalysisimageofsharpnessstatisticsinformation(FV the relevant information), controlfocusthe relevant informationfocusposition. AF modulesupportusingunderFunction:

  • automaticfocus: the relevant informationSearch(directiondetection → the relevant information → the relevant information)the relevant informationfocusposition

  • manualfocus: usercontrolfocusdirectionandthe relevant informationlong

  • real timethe relevant information: detectionthe relevant informationframechangethe relevant informationautomaticthe relevant informationfocus

  • the relevant informationfocusthe relevant information: the relevant informationwhenaccording to Zoom-Focus findTablethe relevant informationadjustfocusposition

  • the relevant informationcompensation: the relevant informationmotionwhenofthe relevant informationimpact

5.24.1.2. Key Parameters

Table 5.49 Auto Focus Key Parameters

Parameter

Value Range

Default Value

Description

Bypass

[0, 1]

0

AF Module FunctionsEnabled.Bypass is 1 when AF notthe relevant informationautomaticfocus

OpType

[0, 1]

0

manual/automaticfocusmodeswitch.0: automatic, 1: manual

RunInterval

[1, 16]

1

AF algorithmrunofthe relevant informationnumberthe relevant information

InitStep

[1, 255]

stepper motor: 255, VCM: 20

the relevant informationSearchthe relevant informationlong, controlnumberthe relevant informationfocusthe relevant informationlong

FindStep

[1, 255]

stepper motor: 168, VCM: 16

the relevant informationSearchthe relevant informationlong, numberthe relevant informationfocusthe relevant informationlong

LocateStep

[1, 255]

stepper motor: 32, VCM: 8

the relevant informationlong, numberthe relevant informationlong

InitDir

[0, 1]

0 (AF_DIR_NEAR)

the relevant informationSearchdirection.0: NEAR(the relevant information), 1: FAR(the relevant information)

ChasingFocus

[0, 1]

0

the relevant informationFunctionEnabled.1: enablethe relevant information, the relevant informationautomaticthe relevant informationfocus

ReFocus

[0, 1]

stepper motor: 0, VCM: 1

the relevant informationfocusEnabled.framechangewhenautomaticthe relevant informationfocus

MixHlc

[0, 1]

1

the relevant informationhighlightpointthe relevant informationEnabled.use HlCnt informationsuppressionlight sourcefor FV the relevant informationofimpact

RealTimeFocus

[0, 1]

stepper motor: 0, VCM: 1

real timefocusEnabled.1: enablereal timefocusmode

RtFocusStableFrm

[1, 255]

5

real timefocusthe relevant informationnumber, FV changethe relevant informationthisthe relevant informationnumberthe relevant information

RtMaxDiffFvRatio

[1024, 4096]

stepper motor: 1435, VCM: 1350

real timefocusmaximum FV difference ratio, the relevant informationin AF_RATIO_BASE (1024), the relevant informationisthe relevant informationtimesthe relevant information x1024

MaxDiffFvRatio

[1024, 16384]

6144

maximum FV difference ratio (x1024), used fordetectionframewhetherthe relevant informationchange (the relevant information 6 times)

MaxDiffLumaRatio

[1024, 4096]

stepper motor: 1126, VCM: 1100

maximumbrightnessdifference ratio (x1024), used forbrightnesschangedetection (the relevant information 1.1 times)

DetectDiffRatio

[1024, 4096]

stepper motor: 1126, VCM: 1075

directiondetectiondifference ratio (x1024), determinedirectiondetectionthe relevant information FV changewhetherthe relevant information

SearchDiffRatio

[1024, 4096]

1075

Searchdifference ratio (x1024), the relevant informationSearchthe relevant informationdeterminewhetheralreadymorethe relevant information FV the relevant information (the relevant information 1.05 times)

LocalDiffRatio

[1024, 4096]

1075

the relevant informationdifference ratio (x1024), the relevant informationverifythe relevant information (the relevant information 1.05 times)

MaxRotateCnt

[0, 65535]

stepper motor: 32000, VCM: 1500

maximumSearchthe relevant informationnumber, the relevant informationSearchofmaximumthe relevant informationnumberlimitthe relevant information

ChasingFocusMode

[0, 1]

0 (FAST_MODE)

the relevant informationmode.0: the relevant informationmode (AF_CHASINGFOCUS_FAST_MODE), 1: the relevant informationmode

DebugMode

[0, 1]

0

tuningmodeEnabled.0: close (AF_DBG_DISABLE), 1: enabletuningOutput

5.24.1.3. Tuning Steps

Step 1. verifythe relevant informationdrivealreadythe relevant information.call CVI_AF_MOTOR_Register the relevant informationtunefunction, the relevant information pfn_af_motor_init, pfn_af_motor_deinit, pfn_af_set_focus_in, pfn_af_set_focus_out, pfn_af_set_focus_speed, pfn_af_get_len_info etc.functionalreadythe relevant information.pfn_af_get_len_info the relevant informationreturnlenshardwarethe relevant informationpropertyinformation.

Step 2. the relevant information VCM Parameter.through CVI_ISP_SetAFVcmAttr setlensofNonelimitthe relevant informationposition (u32InfinitePos), the relevant informationfocusposition (u32MacroPos) andthe relevant informationpointposition (u32MediumPos).the relevant informationneedthroughthe relevant informationcalibrationobtain, recommenduseCalibration Tool AF_ENTER_CAILB_FLOW the relevant informationof AF_RANGE_OFFSET_CALIB modeobtain.

Step 3. the relevant informationstatisticsinformation.through CVI_ISP_SetAFStatisticsConfig set AF statisticsareasize (recommend 17x15), FIR filteringdevicecoefficient, weightTable.FIR filteringdevicecoefficientthe relevant informationaccording tolensthe relevant informationpropertyadjust, referencethe relevant informationcanthe relevant information 3A the relevant informationuserthe relevant informationof FV the relevant informationreferencethe relevant information.

Step 4. adjustfocusSearchParameter.according tolensthe relevant informationpropertyadjust InitStep/FindStep/LocateStep.the relevant informationDefault Value: stepper motoris 255/168/32, VCM lensis 20/16/8.forinthe relevant informationoflens, canthe relevant informationwhenthe relevant informationlongusingthe relevant informationhighfocusprecision.InitDir setthe relevant informationSearchdirection, the relevant informationaccording tolensinstalldirectiondetermine.

Step5. calibration Zoom-Focus Table.useCalibration Tool AF_ENTER_CAILB_FLOW the relevant informationof AF_ZOOM_FOCUS_TABLE_CALIB mode, innotsamethe relevant informationpositionthe relevant informationfocusposition, generate 9 itemof Zoom-Focus findTable.thisTableused forthe relevant informationwhenthe relevant informationfocusposition.

Step6. calibrationthe relevant information.use AF_BACK_LASH_CALIB modethe relevant informationamountthe relevant informationwhenofthe relevant information, setthe relevant information focus_backlash/zoom_backlash.VCM lensthe relevant information, stepper motorthe relevant informationaccording tothe relevant informationamountset.

Step7. tuningthe relevant information.according tothe relevant informationsceneadjust u16MaxDiffFvRatio and u8RtFocusStableFrm.thanthe relevant information, the relevant informationcanthe relevant information.the relevant informationscenerecommenduse AF_CHASINGFOCUS_FAST_MODE.

Step8. the relevant informationfocuseffect.innotsamescene(the relevant information/the relevant information/lowillumination)underthe relevant informationautomaticfocus, the relevant informationwhetherthe relevant informationaccuratethe relevant informationfocusposition.canthrough CVI_ISP_AFQueryFocusInfo the relevant informationfocusstatusand FV the relevant informationcurve, the relevant informationwhenthe relevant informationtunefilteringdevicecoefficientandweightTable.

— End