NVIDIA 2D Image And Signal Performance Primitives (NPP)  Version 11.3.0.*
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Functions
FilterGauss

Filters the image using a Gaussian filter kernel. More...

Functions

NppStatus nppiFilterGauss_8u_C1R_Ctx (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Single channel 8-bit unsigned Gauss filter. More...
 
NppStatus nppiFilterGauss_8u_C1R (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_8u_C3R_Ctx (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Three channel 8-bit unsigned Gauss filter. More...
 
NppStatus nppiFilterGauss_8u_C3R (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_8u_C4R_Ctx (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Four channel 8-bit unsigned Gauss filter. More...
 
NppStatus nppiFilterGauss_8u_C4R (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_8u_AC4R_Ctx (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Four channel 8-bit unsigned Gauss filter, ignoring alpha channel. More...
 
NppStatus nppiFilterGauss_8u_AC4R (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_16u_C1R_Ctx (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Single channel 16-bit unsigned Gauss filter. More...
 
NppStatus nppiFilterGauss_16u_C1R (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_16u_C3R_Ctx (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Three channel 16-bit unsigned Gauss filter. More...
 
NppStatus nppiFilterGauss_16u_C3R (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_16u_C4R_Ctx (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Four channel 16-bit unsigned Gauss filter. More...
 
NppStatus nppiFilterGauss_16u_C4R (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_16u_AC4R_Ctx (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Four channel 16-bit unsigned Gauss filter, ignoring alpha channel. More...
 
NppStatus nppiFilterGauss_16u_AC4R (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_16s_C1R_Ctx (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Single channel 16-bit signed Gauss filter. More...
 
NppStatus nppiFilterGauss_16s_C1R (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_16s_C3R_Ctx (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Three channel 16-bit signed Gauss filter. More...
 
NppStatus nppiFilterGauss_16s_C3R (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_16s_C4R_Ctx (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Four channel 16-bit signed Gauss filter. More...
 
NppStatus nppiFilterGauss_16s_C4R (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_16s_AC4R_Ctx (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Four channel 16-bit signed Gauss filter, ignoring alpha channel. More...
 
NppStatus nppiFilterGauss_16s_AC4R (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_32f_C1R_Ctx (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Single channel 32-bit floating-point Gauss filter. More...
 
NppStatus nppiFilterGauss_32f_C1R (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_32f_C3R_Ctx (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Three channel 32-bit floating-point Gauss filter. More...
 
NppStatus nppiFilterGauss_32f_C3R (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_32f_C4R_Ctx (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Four channel 32-bit floating-point Gauss filter. More...
 
NppStatus nppiFilterGauss_32f_C4R (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 
NppStatus nppiFilterGauss_32f_AC4R_Ctx (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize, NppStreamContext nppStreamCtx)
 Four channel 32-bit floating-point Gauss filter, ignoring alpha channel. More...
 
NppStatus nppiFilterGauss_32f_AC4R (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppiMaskSize eMaskSize)
 

Detailed Description

Filters the image using a Gaussian filter kernel.

Use FilterGaussAdvanced if you want to supply your own filter coefficients.

Note that all FilterGauss functions currently support mask sizes up to 15x15. Filter kernels for these functions are calculated using a sigma value of 0.4F + (mask width / 2) * 0.6F.

Common parameters for nppiFilterGauss functions include:

Parameters
pSrcSource-Image Pointer.
nSrcStepSource-Image Line Step.
pDstDestination-Image Pointer.
nDstStepDestination-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
eMaskSizeEnumeration value specifying the mask size.
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes

Function Documentation

NppStatus nppiFilterGauss_16s_AC4R ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_16s_AC4R_Ctx ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Four channel 16-bit signed Gauss filter, ignoring alpha channel.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_16s_C1R ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_16s_C1R_Ctx ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Single channel 16-bit signed Gauss filter.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_16s_C3R ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_16s_C3R_Ctx ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Three channel 16-bit signed Gauss filter.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_16s_C4R ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_16s_C4R_Ctx ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Four channel 16-bit signed Gauss filter.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_16u_AC4R ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_16u_AC4R_Ctx ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Four channel 16-bit unsigned Gauss filter, ignoring alpha channel.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_16u_C1R ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_16u_C1R_Ctx ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Single channel 16-bit unsigned Gauss filter.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_16u_C3R ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_16u_C3R_Ctx ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Three channel 16-bit unsigned Gauss filter.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_16u_C4R ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_16u_C4R_Ctx ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Four channel 16-bit unsigned Gauss filter.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_32f_AC4R ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_32f_AC4R_Ctx ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Four channel 32-bit floating-point Gauss filter, ignoring alpha channel.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_32f_C1R ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_32f_C1R_Ctx ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Single channel 32-bit floating-point Gauss filter.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_32f_C3R ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_32f_C3R_Ctx ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Three channel 32-bit floating-point Gauss filter.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_32f_C4R ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_32f_C4R_Ctx ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Four channel 32-bit floating-point Gauss filter.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_8u_AC4R ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_8u_AC4R_Ctx ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Four channel 8-bit unsigned Gauss filter, ignoring alpha channel.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_8u_C1R ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_8u_C1R_Ctx ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Single channel 8-bit unsigned Gauss filter.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_8u_C3R ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_8u_C3R_Ctx ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Three channel 8-bit unsigned Gauss filter.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.

NppStatus nppiFilterGauss_8u_C4R ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize 
)
NppStatus nppiFilterGauss_8u_C4R_Ctx ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppiMaskSize  eMaskSize,
NppStreamContext  nppStreamCtx 
)

Four channel 8-bit unsigned Gauss filter.

For common parameter descriptions, see Common parameters for nppiFilterGauss functions.


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