NVIDIA 2D Image And Signal Performance Primitives (NPP)  Version 11.7.1.*
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Functions
FilterGaussAdvanced

Filters the image using a separable Gaussian filter kernel with user supplied floating point coefficients: More...

Functions

NppStatus nppiFilterGaussAdvanced_8u_C1R_Ctx (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Single channel 8-bit unsigned Gauss filter. More...
 
NppStatus nppiFilterGaussAdvanced_8u_C1R (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_8u_C3R_Ctx (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Three channel 8-bit unsigned Gauss filter. More...
 
NppStatus nppiFilterGaussAdvanced_8u_C3R (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_8u_C4R_Ctx (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Four channel 8-bit unsigned Gauss filter. More...
 
NppStatus nppiFilterGaussAdvanced_8u_C4R (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_8u_AC4R_Ctx (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Four channel 8-bit unsigned Gauss filter, ignoring alpha channel. More...
 
NppStatus nppiFilterGaussAdvanced_8u_AC4R (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_16u_C1R_Ctx (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Single channel 16-bit unsigned Gauss filter. More...
 
NppStatus nppiFilterGaussAdvanced_16u_C1R (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_16u_C3R_Ctx (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Three channel 16-bit unsigned Gauss filter. More...
 
NppStatus nppiFilterGaussAdvanced_16u_C3R (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_16u_C4R_Ctx (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Four channel 16-bit unsigned Gauss filter. More...
 
NppStatus nppiFilterGaussAdvanced_16u_C4R (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_16u_AC4R_Ctx (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Four channel 16-bit unsigned Gauss filter, ignoring alpha channel. More...
 
NppStatus nppiFilterGaussAdvanced_16u_AC4R (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_16s_C1R_Ctx (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Single channel 16-bit signed Gauss filter. More...
 
NppStatus nppiFilterGaussAdvanced_16s_C1R (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_16s_C3R_Ctx (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Three channel 16-bit signed Gauss filter. More...
 
NppStatus nppiFilterGaussAdvanced_16s_C3R (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_16s_C4R_Ctx (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Four channel 16-bit signed Gauss filter. More...
 
NppStatus nppiFilterGaussAdvanced_16s_C4R (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_16s_AC4R_Ctx (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Four channel 16-bit signed Gauss filter, ignoring alpha channel. More...
 
NppStatus nppiFilterGaussAdvanced_16s_AC4R (const Npp16s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_32f_C1R_Ctx (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Single channel 32-bit floating-point Gauss filter. More...
 
NppStatus nppiFilterGaussAdvanced_32f_C1R (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_32f_C3R_Ctx (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Three channel 32-bit floating-point Gauss filter. More...
 
NppStatus nppiFilterGaussAdvanced_32f_C3R (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_32f_C4R_Ctx (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Four channel 32-bit floating-point Gauss filter. More...
 
NppStatus nppiFilterGaussAdvanced_32f_C4R (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 
NppStatus nppiFilterGaussAdvanced_32f_AC4R_Ctx (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel, NppStreamContext nppStreamCtx)
 Four channel 32-bit floating-point Gauss filter, ignoring alpha channel. More...
 
NppStatus nppiFilterGaussAdvanced_32f_AC4R (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, const int nFilterTaps, const Npp32f *pKernel)
 

Detailed Description

Filters the image using a separable Gaussian filter kernel with user supplied floating point coefficients:

Common parameters for nppiFilterGaussAdvanced functions include:

Parameters
pSrcSource-Image Pointer.
nSrcStepSource-Image Line Step.
pDstDestination-Image Pointer.
nDstStepDestination-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nFilterTapsThe number of filter taps where nFilterTaps = 2 * ((int)((float)ceil(radius) + 0.5F) ) + 1.
pKernelPointer to an array of nFilterTaps kernel coefficients which sum to 1.0F.
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes

Function Documentation

NppStatus nppiFilterGaussAdvanced_16s_AC4R ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_16s_AC4R_Ctx ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

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

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

NppStatus nppiFilterGaussAdvanced_16s_C1R ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_16s_C1R_Ctx ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

Single channel 16-bit signed Gauss filter.

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

NppStatus nppiFilterGaussAdvanced_16s_C3R ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_16s_C3R_Ctx ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

Three channel 16-bit signed Gauss filter.

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

NppStatus nppiFilterGaussAdvanced_16s_C4R ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_16s_C4R_Ctx ( const Npp16s pSrc,
Npp32s  nSrcStep,
Npp16s pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

Four channel 16-bit signed Gauss filter.

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

NppStatus nppiFilterGaussAdvanced_16u_AC4R ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_16u_AC4R_Ctx ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

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

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

NppStatus nppiFilterGaussAdvanced_16u_C1R ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_16u_C1R_Ctx ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

Single channel 16-bit unsigned Gauss filter.

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

NppStatus nppiFilterGaussAdvanced_16u_C3R ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_16u_C3R_Ctx ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

Three channel 16-bit unsigned Gauss filter.

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

NppStatus nppiFilterGaussAdvanced_16u_C4R ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_16u_C4R_Ctx ( const Npp16u pSrc,
Npp32s  nSrcStep,
Npp16u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

Four channel 16-bit unsigned Gauss filter.

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

NppStatus nppiFilterGaussAdvanced_32f_AC4R ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_32f_AC4R_Ctx ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

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

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

NppStatus nppiFilterGaussAdvanced_32f_C1R ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_32f_C1R_Ctx ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

Single channel 32-bit floating-point Gauss filter.

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

NppStatus nppiFilterGaussAdvanced_32f_C3R ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_32f_C3R_Ctx ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

Three channel 32-bit floating-point Gauss filter.

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

NppStatus nppiFilterGaussAdvanced_32f_C4R ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_32f_C4R_Ctx ( const Npp32f pSrc,
Npp32s  nSrcStep,
Npp32f pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

Four channel 32-bit floating-point Gauss filter.

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

NppStatus nppiFilterGaussAdvanced_8u_AC4R ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_8u_AC4R_Ctx ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

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

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

NppStatus nppiFilterGaussAdvanced_8u_C1R ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_8u_C1R_Ctx ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

Single channel 8-bit unsigned Gauss filter.

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

NppStatus nppiFilterGaussAdvanced_8u_C3R ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_8u_C3R_Ctx ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

Three channel 8-bit unsigned Gauss filter.

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

NppStatus nppiFilterGaussAdvanced_8u_C4R ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel 
)
NppStatus nppiFilterGaussAdvanced_8u_C4R_Ctx ( const Npp8u pSrc,
Npp32s  nSrcStep,
Npp8u pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const int  nFilterTaps,
const Npp32f pKernel,
NppStreamContext  nppStreamCtx 
)

Four channel 8-bit unsigned Gauss filter.

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


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