15. CNR¶

15.1. Functional Description¶

in YUV Domain forchrominancenoiseperform spatial domainnoise reductionalgorithm. cv184x systemcolumn CNR modulethroughdualedgefilteringprocessingforUVchannelperformoverall noise reductionprocessing.

15.2. API Reference¶

CVI_ISP_SetCNRAttr : SetCNR parameter attributes
CVI_ISP_GetCNRAttr : GetCNR parameter attributes
CVI_ISP_SetCNRFilterAttr : SetCNR FILTER parameter attributes
CVI_ISP_GetCNRFilterAttr : GetCNR FILTER parameter attributes

15.2.1. CVI_ISP_SetCNRAttr¶

[Description]

SetCNR parameter attributes

[Syntax]

CVI_S32 CVI_ISP_SetCNRAttr(VI_PIPE ViPipe, const ISP_CNR_ATTR_S *pstCNRAttr);

[Parameters]

Parameter Name	Description	Input/Output
ViPipe	VI_PIPE No.	Input
pstCNRAttr	CNR parameter attributes	Input

[Return Value]

Return Value	Description
0	Success
Non-zero	Failure, whose value is Error Code.

[Requirements]

Header File: cvi_isp.h, cvi_comm_isp.h
Library File: libisp.so

[Note]

None

[Example]

VI_PIPE ViPipe = 0;
ISP_CNR_ATTR_S stAttr;
CVI_ISP_GetCNRAttr(ViPipe, &stAttr);
stAttr.enOpType = OP_TYPE_AUTO;
CVI_ISP_SetCNRAttr(ViPipe, &stAttr);

[Related Topics]

CVI_ISP_GetCNRAttr

15.2.2. CVI_ISP_GetCNRAttr¶

[Description]

GetCNR parameter attributes

[Syntax]

CVI_S32 CVI_ISP_GetCNRAttr(VI_PIPE ViPipe, ISP_CNR_ATTR_S *pstCNRAttr);

[Parameters]

Parameter Name	Description	Input/Output
ViPipe	VI_PIPE No.	Input
pstCNRAttr	CNR parameter attributes	output

[Return Value]

Return Value	Description
0	Success
Non-zero	Failure, whose value is Error Code.

[Requirements]

Header File: cvi_isp.h, cvi_comm_isp.h
Library File: libisp.so

[Note]

None

[Example]

None

[Related Topics]

CVI_ISP_SetCNRAttr

15.2.3. CVI_ISP_SetCNRFilterAttr¶

[Description]

SetCNR FILTER parameter attributes

[Syntax]

CVI_S32 CVI_ISP_SetCNRFilterAttr(VI_PIPE ViPipe, const ISP_CNR_FILTER_ATTR_S *pstCNRFilterAttr);

[Parameters]

Parameter Name	Description	Input/Output
ViPipe	VI_PIPE No.	Input
pstCNRFilterAttr	CNR FILTER parameter attributes	Input

[Return Value]

Return Value	Description
0	Success
Non-zero	Failure, whose value is Error Code.

[Requirements]

Header File: cvi_isp.h, cvi_comm_isp.h
Library File: libisp.so

[Note]

None

[Example]

VI_PIPE ViPipe = 0;
ISP_CNR_FILTER_ATTR_S stAttr;
CVI_ISP_GetCNRFilterAttr(ViPipe, &stAttr);
stAttr.enOpType = OP_TYPE_AUTO;
CVI_ISP_SetCNRFilterAttr(ViPipe, &stAttr);

[Related Topics]

CVI_ISP_GetCNRFilterAttr

15.2.4. CVI_ISP_GetCNRFilterAttr¶

[Description]

GetCNR FILTER parameter attributes

[Syntax]

CVI_S32 CVI_ISP_GetCNRFilterAttr(VI_PIPE ViPipe, ISP_CNR_FILTER_ATTR_S *pstCNRFilterAttr);

[Parameters]

Parameter Name	Description	Input/Output
ViPipe	VI_PIPE No.	Input
pstCNRFilterAttr	CNR FILTER parameter attributes	output

[Return Value]

Return Value	Description
0	Success
Non-zero	Failure, whose value is Error Code.

[Requirements]

Header File: cvi_isp.h, cvi_comm_isp.h
Library File: libisp.so

[Note]

None

[Example]

None

[Related Topics]

CVI_ISP_SetCNRFilterAttr

15.3. Data Types¶

ISP_CNR_MANUAL_ATTR_S : Manual DefinitionCNR parameter attributes
ISP_CNR_AUTO_ATTR_S : Automatic DefinitionCNR parameter attributes
ISP_CNR_ATTR_S : Define CNR parameter attributes
ISP_CNR_FILTER_MANUAL_ATTR_S : Manual DefinitionCNR FILTER parameter attributes
ISP_CNR_FILTER_AUTO_ATTR_S : Automatic DefinitionCNR FILTER parameter attributes
ISP_CNR_FILTER_ATTR_S : Define CNR FILTER parameter attributes

15.3.1. ISP_CNR_MANUAL_ATTR_S¶

[Description]

Manual DefinitionCNR parameter attributes

[Definition]

typedef struct _ISP_CNR_MANUAL_ATTR_S {
        CVI_U8 MedianFltKsize; /*Rw; Range:[0, 2]*/
        CVI_U8 CnrByMotion[3]; /*Rw; Range:[0, 31]*/
        CVI_U8 CnrRefYStr; /*Rw; Range:[0, 31]*/
        CVI_U8 CnrRefUVStr; /*Rw; Range:[0, 31]*/
        CVI_U8 CnrYRange; /*Rw; Range:[0, 3]*/
        CVI_U8 CnrYThr; /*Rw; Range:[0, 31]*/
        CVI_U8 CnrYPrcStr; /*Rw; Range:[0, 2]*/
        CVI_U8 CnrYStrH; /*Rw; Range:[0, 32]*/
        CVI_U8 CnrYStrT; /*Rw; Range:[0, 32]*/
        CVI_U8 CnrUVRange; /*Rw; Range:[0, 4]*/
        CVI_U8 CnrUVThr; /*Rw; Range:[0, 32]*/
        CVI_U8 CnrUVPrcStr; /*Rw; Range:[0, 3]*/
        CVI_U8 CnrUVStrH; /*Rw; Range:[0, 64]*/
        CVI_U8 CnrUVStrT; /*Rw; Range:[0, 64]*/
        CVI_U8 CnrSatRange; /*Rw; Range:[0, 3]*/
        CVI_U8 CnrSatPrtThr; /*Rw; Range:[0, 31]*/
        CVI_U8 CnrSatPrcStr; /*Rw; Range:[0, 2]*/
        CVI_U8 CnrSatStrH; /*Rw; Range:[0, 32]*/
        CVI_U8 CnrSatStrT; /*Rw; Range:[0, 32]*/
        CVI_U8 CnrSatBldCoring; /*Rw; Range:[0, 32]*/
} ISP_CNR_MANUAL_ATTR_S;

[Members]

Member Name	Description
MedianFltKsize	Filter size selection for CMF. Value Range: [0, 2] Data Types: CVI_U8
CnrByMotion	Controldifferentmotionstatusunder CNRstrength. CnrByMotion[0]~CnrByMotion[2]respectivelycorrespondingstationary region, conversionregion, motion region. Value Range: [0, 31] Data Types: CVI_U8
CnrRefYStr	in Y channelon chrominanceReferenceweight. Value Range: [0, 31] Data Types: CVI_U8
CnrRefUVStr	in UV channelon chrominanceReferenceweight. Value Range: [0, 31] Data Types: CVI_U8
CnrYRange	in Y channelon brightnessdifferencethreshold. the larger the value, heightbrightnessdifferencethresholdthe larger the value, CnrYStrHforheightbrightnessdifferenceregion affectsrangethe morelarge. Value Range: [0, 3] Data Types: CVI_U8
CnrYThr	in Y channelon brightnessdifferencethreshold. brightnessdifferencelowinCnrYThr part, CNRstrengthbyCnrYStrHControl. Value Range: [0, 31] Data Types: CVI_U8
CnrYPrcStr	Chroma adaptation weighting precision for Y channel. 0: 8; 1: 16; 2: 32; Value Range: [0, 2] Data Types: CVI_U8
CnrYStrH	in Y channelonControlbrightnessdifferencerelativelysmall region CNRstrength. the larger the value, the greater the denoising strength. Value Range: [0, 32] Data Types: CVI_U8
CnrYStrT	in Y channelonControlbrightnessdifferencerelativelylarge region CNRstrength. the larger the value, the greater the denoising strength. Value Range: [0, 32] Data Types: CVI_U8
CnrUVRange	in UV channelonControlheightcolor differencethreshold. the larger the value, heightcolor differencethresholdthe larger the value, CnrUVStrHforheightcolor differenceregion affectsrangethe morelarge. 0: 8; 1: 16; 2: 32; 3: 64; 4: 128; 7-5: Reserved; Value Range: [0, 4] Data Types: CVI_U8
CnrUVThr	in UV channelonControlheightsaturationandthreshold. the larger the value, heightsaturationandthresholdthe larger the value, CnrSatStrHforheightsaturationandregion affectsrangethe morelarge. Value Range: [0, 32] Data Types: CVI_U8
CnrUVPrcStr	Chroma adaptation weighting precision for UV channels. 0: 8; 1: 16; 2: 32; 3: 64; Value Range: [0, 3] Data Types: CVI_U8
CnrUVStrH	in UV channelonControllowcolor differenceregion CNRstrength. the larger the value, the greater the denoising strength. Value Range: [0, 64] Data Types: CVI_U8
CnrUVStrT	in UV channelonControlheightcolor differenceregion CNRstrength. the larger the value, the greater the denoising strength. Value Range: [0, 64] Data Types: CVI_U8
CnrSatRange	Controlheightsaturationandthreshold. the larger the value, heightsaturationandthresholdthe larger the value, CnrSatStrHforheightsaturationandregion affectsrangethe morelarge. 0: 8; 1: 16; 2: 32; 3: 64; Value Range: [0, 3] Data Types: CVI_U8
CnrSatPrtThr	lowsaturationthreshold. saturationlowinCnrSatPrtThr part, CNRstrengthbyCnrSatStrHControl. Value Range: [0, 31] Data Types: CVI_U8
CnrSatPrcStr	Chroma adaptation weighting precision for Saturation. 0: 8; 1: 16; 2: 32; Value Range: [0, 2] Data Types: CVI_U8
CnrSatStrH	Controllowsaturationregion CNRstrength. the larger the value, the greater the denoising strength. Value Range: [0, 32] Data Types: CVI_U8
CnrSatStrT	Controlheightsaturationregion CNRstrength. the larger the value, the greater the denoising strength. Value Range: [0, 32] Data Types: CVI_U8
CnrSatBldCoring	Chroma adaptation weighting for Saturation blending. Value Range: [0, 32] Data Types: CVI_U8

[Precautions]

None

[Related Data Types and Interfaces]

15.3.2. ISP_CNR_AUTO_ATTR_S¶

[Description]

Automatic DefinitionCNR parameter attributes

[Definition]

typedef struct _ISP_CNR_AUTO_ATTR_S {
        CVI_U8 MedianFltKsize[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 2]*/
        CVI_U8 CnrByMotion[3][ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 31]*/
        CVI_U8 CnrRefYStr[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 31]*/
        CVI_U8 CnrRefUVStr[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 31]*/
        CVI_U8 CnrYRange[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 3]*/
        CVI_U8 CnrYThr[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 31]*/
        CVI_U8 CnrYPrcStr[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 2]*/
        CVI_U8 CnrYStrH[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 32]*/
        CVI_U8 CnrYStrT[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 32]*/
        CVI_U8 CnrUVRange[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 4]*/
        CVI_U8 CnrUVThr[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 32]*/
        CVI_U8 CnrUVPrcStr[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 3]*/
        CVI_U8 CnrUVStrH[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 64]*/
        CVI_U8 CnrUVStrT[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 64]*/
        CVI_U8 CnrSatRange[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 3]*/
        CVI_U8 CnrSatPrtThr[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 31]*/
        CVI_U8 CnrSatPrcStr[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 2]*/
        CVI_U8 CnrSatStrH[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 32]*/
        CVI_U8 CnrSatStrT[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 32]*/
        CVI_U8 CnrSatBldCoring[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 32]*/
} ISP_CNR_AUTO_ATTR_S;

[Members]

Member Name	Description
MedianFltKsize	Filter size selection for CMF. Value Range: [0, 2] Data Types: CVI_U8
CnrByMotion	Controldifferentmotionstatusunder CNRstrength. CnrByMotion[0]~CnrByMotion[2]respectivelycorrespondingstationary region, conversionregion, motion region. Value Range: [0, 31] Data Types: CVI_U8
CnrRefYStr	in Y channelon chrominanceReferenceweight. Value Range: [0, 31] Data Types: CVI_U8
CnrRefUVStr	in UV channelon chrominanceReferenceweight. Value Range: [0, 31] Data Types: CVI_U8
CnrYRange	in Y channelon brightnessdifferencethreshold. the larger the value, heightbrightnessdifferencethresholdthe larger the value, CnrYStrHforheightbrightnessdifferenceregion affectsrangethe morelarge. Value Range: [0, 3] Data Types: CVI_U8
CnrYThr	in Y channelon brightnessdifferencethreshold. brightnessdifferencelowinCnrYThr part, CNRstrengthbyCnrYStrHControl. Value Range: [0, 31] Data Types: CVI_U8
CnrYPrcStr	Chroma adaptation weighting precision for Y channel. 0: 8; 1: 16; 2: 32; Value Range: [0, 2] Data Types: CVI_U8
CnrYStrH	in Y channelonControlbrightnessdifferencerelativelysmall region CNRstrength. the larger the value, the greater the denoising strength. Value Range: [0, 32] Data Types: CVI_U8
CnrYStrT	in Y channelonControlbrightnessdifferencerelativelylarge region CNRstrength. the larger the value, the greater the denoising strength. Value Range: [0, 32] Data Types: CVI_U8
CnrUVRange	in UV channelonControlheightcolor differencethreshold. the larger the value, heightcolor differencethresholdthe larger the value, CnrUVStrHforheightcolor differenceregion affectsrangethe morelarge. 0: 8; 1: 16; 2: 32; 3: 64; 4: 128; 7-5: Reserved; Value Range: [0, 4] Data Types: CVI_U8
CnrUVThr	in UV channelonControlheightsaturationandthreshold. the larger the value, heightsaturationandthresholdthe larger the value, CnrSatStrHforheightsaturationandregion affectsrangethe morelarge. Value Range: [0, 32] Data Types: CVI_U8
CnrUVPrcStr	Chroma adaptation weighting precision for UV channels. 0: 8; 1: 16; 2: 32; 3: 64; Value Range: [0, 3] Data Types: CVI_U8
CnrUVStrH	in UV channelonControllowcolor differenceregion CNRstrength. the larger the value, the greater the denoising strength. Value Range: [0, 64] Data Types: CVI_U8
CnrUVStrT	in UV channelonControlheightcolor differenceregion CNRstrength. the larger the value, the greater the denoising strength. Value Range: [0, 64] Data Types: CVI_U8
CnrSatRange	Controlheightsaturationandthreshold. the larger the value, heightsaturationandthresholdthe larger the value, CnrSatStrHforheightsaturationandregion affectsrangethe morelarge. 0: 8; 1: 16; 2: 32; 3: 64; Value Range: [0, 3] Data Types: CVI_U8
CnrSatPrtThr	lowsaturationthreshold. saturationlowinCnrSatPrtThr part, CNRstrengthbyCnrSatStrHControl. Value Range: [0, 31] Data Types: CVI_U8
CnrSatPrcStr	Chroma adaptation weighting precision for Saturation. 0: 8; 1: 16; 2: 32; Value Range: [0, 2] Data Types: CVI_U8
CnrSatStrH	Controllowsaturationregion CNRstrength. the larger the value, the greater the denoising strength. Value Range: [0, 32] Data Types: CVI_U8
CnrSatStrT	Controlheightsaturationregion CNRstrength. the larger the value, the greater the denoising strength. Value Range: [0, 32] Data Types: CVI_U8
CnrSatBldCoring	Chroma adaptation weighting for Saturation blending. Value Range: [0, 32] Data Types: CVI_U8

[Precautions]

None

[Related Data Types and Interfaces]

15.3.3. ISP_CNR_ATTR_S¶

[Description]

Define CNR parameter attributes

[Definition]

typedef struct _ISP_CNR_ATTR_S {
        CVI_BOOL Enable; /*Rw; Range:[0, 1]*/
        ISP_OP_TYPE_E enOpType;
        CVI_U8 UpdateInterval; /*Rw; Range:[1, 255]*/
        CVI_BOOL MedianFltEnable; /*Rw; Range:[0, 1]*/
        CVI_BOOL CnrEnable; /*Rw; Range:[0, 1]*/
        CVI_BOOL CnrSatBldEnable; /*Rw; Range:[0, 1]*/
        CVI_U8 SubSclSel; /*Rw; Range:[0, 1]*/
        CVI_U8 CnrDebugMode; /*Rw; Range:[0, 6]*/
        CVI_BOOL CnrBypass1; /*Rw; Range:[0, 1]*/
        CVI_BOOL CnrBypass2; /*Rw; Range:[0, 1]*/
        ISP_CNR_SCALE_FACTOR_E SubImgSclFactor;
        ISP_CNR_MANUAL_ATTR_S stManual;
        ISP_CNR_AUTO_ATTR_S stAuto;
} ISP_CNR_ATTR_S;

[Members]

Member Name	Description
Enable	module enable switch Value Range: [0, 1] Data Types: CVI_BOOL
enOpType	operation type OP_TYPE_AUTO: automatic mode OP_TYPE_MANUAL: manual mode Data Types: ISP_OP_TYPE_E
UpdateInterval	affects the parameter update interval,the larger the value, the slower the image changes,the better the performance. Value Range: [1, 255] Data Types: CVI_U8
MedianFltEnable	UVchannelprefilteringprocessingEnable. Enable = 1whentakes effect. Value Range: [0, 1] Data Types: CVI_BOOL
CnrEnable	CNR module enable Value Range: [0, 1] Data Types: CVI_BOOL
CnrSatBldEnable	enable sat blend Value Range: [0, 1] Data Types: CVI_BOOL
SubSclSel	Selection sub-image output flow: 0: output sub image after LCA; 1: output sub image before CMF. Value Range: [0, 1] Data Types: CVI_U8
CnrDebugMode	Register debug mode 0: no debug, normal output; 1: debug output wY, wUV, w; 2: debug output abs distU, distV,distUV; 3: debug output sat weight; 4: debug output SAT blend out; 5: debug output cnr motion; 6: debug output subimg sclupimg; Value Range: [0, 6] Data Types: CVI_U8
CnrBypass1	Set 1 to bypass chra(LCA) Value Range: [0, 1] Data Types: CVI_BOOL
CnrBypass2	according tobrightnessdifference, saturation, color difference, motionstatusAdjustCNRstrength function enable. Value Range: [0, 1] Data Types: CVI_BOOL
SubImgSclFactor	Sub image scaling factor Data Types: ISP_CNR_SCALE_FACTOR_E
stManual	manual parameters
stAuto	automatic parameters

[Precautions]

None

[Related Data Types and Interfaces]

15.3.4. ISP_CNR_FILTER_MANUAL_ATTR_S¶

[Description]

Manual DefinitionCNR FILTER parameter attributes

[Definition]

typedef struct _ISP_CNR_FILTER_MANUAL_ATTR_S {
        CVI_U8 SubImgNrFltKsize; /*Rw; Range:[0, 3]*/
        CVI_U8 SubImgNrEdgeDirPN; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrEdgeDirHV; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrEdgeKsize; /*Rw; Range:[0, 1]*/
        CVI_U8 SubImgNrYCRef; /*Rw; Range:[0, 31]*/
        CVI_U8 SubImgNrUVCRef; /*Rw; Range:[0, 31]*/
        CVI_U8 OutierThY; /*Rw; Range:[0, 7]*/
        CVI_U8 OutierThUV; /*Rw; Range:[0, 7]*/
        CVI_U8 YOutierDifTh; /*Rw; Range:[0, 255]*/
        CVI_U8 UOutierDifTh; /*Rw; Range:[0, 255]*/
        CVI_U8 VOutierDifTh; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrRefCThrYDif[3]; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrRefCStrY[4]; /*Rw; Range:[0, 8]*/
        CVI_U8 SubImgNrRefCThrUVDif[3]; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrRefCStrUV[4]; /*Rw; Range:[0, 8]*/
        CVI_U8 SubImgNrDirFltThrY[5]; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrDirFltStrY[6]; /*Rw; Range:[0, 16]*/
        CVI_U8 SubImgNrDirFltThrU[5]; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrDirFltStrU[6]; /*Rw; Range:[0, 16]*/
        CVI_U8 SubImgNrDirFltThrV[5]; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrDirFltStrV[6]; /*Rw; Range:[0, 16]*/
} ISP_CNR_FILTER_MANUAL_ATTR_S;

[Members]

Member Name	Description
SubImgNrFltKsize	Filter size selection for Y/UV channels 0: 3x3; 1: 5x5; 2: 7x7; 3: 9x9; Value Range: [0, 3] Data Types: CVI_U8
SubImgNrEdgeDirPN	positive(negative)45degreedirectiondeterminethreshold. the larger the value, the moreeasydetermineisNonedirection. valuethroughlarge, easyproducebecomeedgebleedcolorproblem. Value Range: [0, 255] Data Types: CVI_U8
SubImgNrEdgeDirHV	horizontal/verticalhistogramtodeterminethreshold. the larger the value, the moreeasydetermineisNonedirection. valuethroughlarge, easyproducebecomeedgebleedcolorproblem. Value Range: [0, 255] Data Types: CVI_U8
SubImgNrEdgeKsize	Edge kernel size selection. 0: 3x3; 1: 5x5; Value Range: [0, 1] Data Types: CVI_U8
SubImgNrYCRef	Reference center weighting for Y channel Value Range: [0, 31] Data Types: CVI_U8
SubImgNrUVCRef	Reference center weighting for UV channel Value Range: [0, 31] Data Types: CVI_U8
OutierThY	Reference center outlier threshold of Y channel Value Range: [0, 7] Data Types: CVI_U8
OutierThUV	Reference center outlier threshold of UV channel Value Range: [0, 7] Data Types: CVI_U8
YOutierDifTh	Reference center outlier difference threshold for Y channel Value Range: [0, 255] Data Types: CVI_U8
UOutierDifTh	Reference center outlier difference threshold for U channel Value Range: [0, 255] Data Types: CVI_U8
VOutierDifTh	Reference center outlier difference threshold for V channel Value Range: [0, 255] Data Types: CVI_U8
SubImgNrRefCThrYDif	Range filter threshold for reference center of Y channel Value Range: [0, 255] Data Types: CVI_U8
SubImgNrRefCStrY	Range filter weighting for 0x0] reference center of Y channel Value Range: [0, 8] Data Types: CVI_U8
SubImgNrRefCThrUVDif	Range filter threshold for reference center of UV channel Value Range: [0, 255] Data Types: CVI_U8
SubImgNrRefCStrUV	Range filter weighting for 0x0] reference center of UV channel Value Range: [0, 8] Data Types: CVI_U8
SubImgNrDirFltThrY	Filter threshold for Y channel Value Range: [0, 255] Data Types: CVI_U8
SubImgNrDirFltStrY	Filter weighting for Y channel Value Range: [0, 16] Data Types: CVI_U8
SubImgNrDirFltThrU	Filter threshold for U channel, andSubImgNrDirFltStrUtotalsameControlUchannel noise reduction strength Value Range: [0, 255] Data Types: CVI_U8
SubImgNrDirFltStrU	Filter threshold for U channel, andSubImgNrDirFltThrUtotalsameControlUchannel noise reduction strength Value Range: [0, 16] Data Types: CVI_U8
SubImgNrDirFltThrV	Filter threshold for V channel, andSubImgNrDirFltStrVtotalsameControlVchannel noise reduction strength Value Range: [0, 255] Data Types: CVI_U8
SubImgNrDirFltStrV	Filter threshold for V channel, andSubImgNrDirFltThrVtotalsameControlVchannel noise reduction strength Value Range: [0, 16] Data Types: CVI_U8

[Precautions]

None

[Related Data Types and Interfaces]

15.3.5. ISP_CNR_FILTER_AUTO_ATTR_S¶

[Description]

Automatic DefinitionCNR FILTER parameter attributes

[Definition]

typedef struct _ISP_CNR_FILTER_AUTO_ATTR_S {
        CVI_U8 SubImgNrFltKsize[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 3]*/
        CVI_U8 SubImgNrEdgeDirPN[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrEdgeDirHV[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrEdgeKsize[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 1]*/
        CVI_U8 SubImgNrYCRef[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 31]*/
        CVI_U8 SubImgNrUVCRef[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 31]*/
        CVI_U8 OutierThY[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 7]*/
        CVI_U8 OutierThUV[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 7]*/
        CVI_U8 YOutierDifTh[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 255]*/
        CVI_U8 UOutierDifTh[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 255]*/
        CVI_U8 VOutierDifTh[ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrRefCThrYDif[3][ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrRefCStrY[4][ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 8]*/
        CVI_U8 SubImgNrRefCThrUVDif[3][ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrRefCStrUV[4][ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 8]*/
        CVI_U8 SubImgNrDirFltThrY[5][ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrDirFltStrY[6][ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 16]*/
        CVI_U8 SubImgNrDirFltThrU[5][ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrDirFltStrU[6][ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 16]*/
        CVI_U8 SubImgNrDirFltThrV[5][ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 255]*/
        CVI_U8 SubImgNrDirFltStrV[6][ISP_AUTO_ISO_STRENGTH_NUM]; /*Rw; Range:[0, 16]*/
} ISP_CNR_FILTER_AUTO_ATTR_S;

[Members]

Member Name	Description
SubImgNrFltKsize	Filter size selection for Y/UV channels 0: 3x3; 1: 5x5; 2: 7x7; 3: 9x9; Value Range: [0, 3] Data Types: CVI_U8
SubImgNrEdgeDirPN	positive(negative)45degreedirectiondeterminethreshold. the larger the value, the moreeasydetermineisNonedirection. valuethroughlarge, easyproducebecomeedgebleedcolorproblem. Value Range: [0, 255] Data Types: CVI_U8
SubImgNrEdgeDirHV	horizontal/verticalhistogramtodeterminethreshold. the larger the value, the moreeasydetermineisNonedirection. valuethroughlarge, easyproducebecomeedgebleedcolorproblem. Value Range: [0, 255] Data Types: CVI_U8
SubImgNrEdgeKsize	Edge kernel size selection. 0: 3x3; 1: 5x5; Value Range: [0, 1] Data Types: CVI_U8
SubImgNrYCRef	Reference center weighting for Y channel Value Range: [0, 31] Data Types: CVI_U8
SubImgNrUVCRef	Reference center weighting for UV channel Value Range: [0, 31] Data Types: CVI_U8
OutierThY	Reference center outlier threshold of Y channel Value Range: [0, 7] Data Types: CVI_U8
OutierThUV	Reference center outlier threshold of UV channel Value Range: [0, 7] Data Types: CVI_U8
YOutierDifTh	Reference center outlier difference threshold for Y channel Value Range: [0, 255] Data Types: CVI_U8
UOutierDifTh	Reference center outlier difference threshold for U channel Value Range: [0, 255] Data Types: CVI_U8
VOutierDifTh	Reference center outlier difference threshold for V channel Value Range: [0, 255] Data Types: CVI_U8
SubImgNrRefCThrYDif	Range filter threshold for reference center of Y channel Value Range: [0, 255] Data Types: CVI_U8
SubImgNrRefCStrY	Range filter weighting for 0x0] reference center of Y channel Value Range: [0, 8] Data Types: CVI_U8
SubImgNrRefCThrUVDif	Range filter threshold for reference center of UV channel Value Range: [0, 255] Data Types: CVI_U8
SubImgNrRefCStrUV	Range filter weighting for 0x0] reference center of UV channel Value Range: [0, 8] Data Types: CVI_U8
SubImgNrDirFltThrY	Filter threshold for Y channel Value Range: [0, 255] Data Types: CVI_U8
SubImgNrDirFltStrY	Filter weighting for Y channel Value Range: [0, 16] Data Types: CVI_U8
SubImgNrDirFltThrU	Filter threshold for U channel, andSubImgNrDirFltStrUtotalsameControlUchannel noise reduction strength Value Range: [0, 255] Data Types: CVI_U8
SubImgNrDirFltStrU	Filter threshold for U channel, andSubImgNrDirFltThrUtotalsameControlUchannel noise reduction strength Value Range: [0, 16] Data Types: CVI_U8
SubImgNrDirFltThrV	Filter threshold for V channel, andSubImgNrDirFltStrVtotalsameControlVchannel noise reduction strength Value Range: [0, 255] Data Types: CVI_U8
SubImgNrDirFltStrV	Filter threshold for V channel, andSubImgNrDirFltThrVtotalsameControlVchannel noise reduction strength Value Range: [0, 16] Data Types: CVI_U8

[Precautions]

None

[Related Data Types and Interfaces]

15.3.6. ISP_CNR_FILTER_ATTR_S¶

[Description]

Define CNR FILTER parameter attributes

[Definition]

typedef struct _ISP_CNR_FILTER_ATTR_S {
        CVI_BOOL SubImgNrEnable; /*Rw; Range:[0, 1]*/
        CVI_BOOL YNrEnable; /*Rw; Range:[0, 1]*/
        CVI_BOOL EdgeDebugEnable; /*Rw; Range:[0, 1]*/
        CVI_BOOL RefCenterDebugEnable; /*Rw; Range:[0, 1]*/
        ISP_CNR_FILTER_MANUAL_ATTR_S stManual;
        ISP_CNR_FILTER_AUTO_ATTR_S stAuto;
} ISP_CNR_FILTER_ATTR_S;

[Members]

Member Name	Description
SubImgNrEnable	Set 1 to enable filter for ife2 sub image. Value Range: [0, 1] Data Types: CVI_BOOL
YNrEnable	IFE2 enable key for Y. Value Range: [0, 1] Data Types: CVI_BOOL
EdgeDebugEnable	Debug key for Edge map in IFE2. Value Range: [0, 1] Data Types: CVI_BOOL
RefCenterDebugEnable	Debug key for Ref center filter in IFE2. Value Range: [0, 1] Data Types: CVI_BOOL
stManual	manual parameters
stAuto	automatic parameters

[Precautions]

None

[Related Data Types and Interfaces]