NVIDIA 2D Image And Signal Performance Primitives (NPP)  Version 11.4.0.*
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FilterScharr
Fixed Filters

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

FilterScharrHoriz

Filters the image using a horizontal Scharr filter kernel:

\[ \left( \begin{array}{rrr} 3 & 10 & 3 \\ 0 & 0 & 0 \\ -3 & -10 & -3 \\ \end{array} \right) \]

NppStatus  nppiFilterScharrHoriz_8u16s_C1R_Ctx (const Npp8u *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppStreamContext nppStreamCtx)
  Single channel 8-bit unsigned to 16-bit signed horizontal Scharr filter. More...
 
NppStatus  nppiFilterScharrHoriz_8u16s_C1R (const Npp8u *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI)
 
NppStatus  nppiFilterScharrHoriz_8s16s_C1R_Ctx (const Npp8s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppStreamContext nppStreamCtx)
  Single channel 8-bit signed to 16-bit signed horizontal Scharr filter. More...
 
NppStatus  nppiFilterScharrHoriz_8s16s_C1R (const Npp8s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI)
 
NppStatus  nppiFilterScharrHoriz_32f_C1R_Ctx (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppStreamContext nppStreamCtx)
  Single channel 32-bit floating-point horizontal Scharr filter. More...
 
NppStatus  nppiFilterScharrHoriz_32f_C1R (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI)
 

FilterScharrVert

Filters the image using a vertical Scharr filter kernel:

\[ \left( \begin{array}{rrr} -3 & 0 & 3 \\ -10 & 0 & 10 \\ -3 & 0 & 3 \\ \end{array} \right) \]

NppStatus  nppiFilterScharrVert_8u16s_C1R_Ctx (const Npp8u *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppStreamContext nppStreamCtx)
  Single channel 8-bit unsigned to 16-bit signed vertical Scharr filter. More...
 
NppStatus  nppiFilterScharrVert_8u16s_C1R (const Npp8u *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI)
 
NppStatus  nppiFilterScharrVert_8s16s_C1R_Ctx (const Npp8s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppStreamContext nppStreamCtx)
  Single channel 8-bit signed to 16-bit signed vertical Scharr filter. More...
 
NppStatus  nppiFilterScharrVert_8s16s_C1R (const Npp8s *pSrc, Npp32s nSrcStep, Npp16s *pDst, Npp32s nDstStep, NppiSize oSizeROI)
 
NppStatus  nppiFilterScharrVert_32f_C1R_Ctx (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, NppStreamContext nppStreamCtx)
  Single channel 32-bit floating-point vertical Scharr filter. More...
 
NppStatus  nppiFilterScharrVert_32f_C1R (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI)
 

Detailed Description

Filters the image using a Scharr filter kernel.

Common parameters for nppiFilterScharr functions include:

Parameters
pSrc Source-Image Pointer.
nSrcStep Source-Image Line Step.
pDst Destination-Image Pointer.
nDstStep Destination-Image Line Step.
oSizeROI Region-of-Interest (ROI).
nppStreamCtx Application Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes

Function Documentation

NppStatus nppiFilterScharrHoriz_32f_C1R ( const Npp32f *  pSrc,
Npp32s  nSrcStep,
Npp32f *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI 
)
NppStatus nppiFilterScharrHoriz_32f_C1R_Ctx ( const Npp32f *  pSrc,
Npp32s  nSrcStep,
Npp32f *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppStreamContext  nppStreamCtx 
)

Single channel 32-bit floating-point horizontal Scharr filter.

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

NppStatus nppiFilterScharrHoriz_8s16s_C1R ( const Npp8s *  pSrc,
Npp32s  nSrcStep,
Npp16s *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI 
)
NppStatus nppiFilterScharrHoriz_8s16s_C1R_Ctx ( const Npp8s *  pSrc,
Npp32s  nSrcStep,
Npp16s *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppStreamContext  nppStreamCtx 
)

Single channel 8-bit signed to 16-bit signed horizontal Scharr filter.

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

NppStatus nppiFilterScharrHoriz_8u16s_C1R ( const Npp8u *  pSrc,
Npp32s  nSrcStep,
Npp16s *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI 
)
NppStatus nppiFilterScharrHoriz_8u16s_C1R_Ctx ( const Npp8u *  pSrc,
Npp32s  nSrcStep,
Npp16s *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppStreamContext  nppStreamCtx 
)

Single channel 8-bit unsigned to 16-bit signed horizontal Scharr filter.

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

NppStatus nppiFilterScharrVert_32f_C1R ( const Npp32f *  pSrc,
Npp32s  nSrcStep,
Npp32f *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI 
)
NppStatus nppiFilterScharrVert_32f_C1R_Ctx ( const Npp32f *  pSrc,
Npp32s  nSrcStep,
Npp32f *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppStreamContext  nppStreamCtx 
)

Single channel 32-bit floating-point vertical Scharr filter.

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

NppStatus nppiFilterScharrVert_8s16s_C1R ( const Npp8s *  pSrc,
Npp32s  nSrcStep,
Npp16s *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI 
)
NppStatus nppiFilterScharrVert_8s16s_C1R_Ctx ( const Npp8s *  pSrc,
Npp32s  nSrcStep,
Npp16s *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppStreamContext  nppStreamCtx 
)

Single channel 8-bit signed to 16-bit signed vertical Scharr filter.

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

NppStatus nppiFilterScharrVert_8u16s_C1R ( const Npp8u *  pSrc,
Npp32s  nSrcStep,
Npp16s *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI 
)
NppStatus nppiFilterScharrVert_8u16s_C1R_Ctx ( const Npp8u *  pSrc,
Npp32s  nSrcStep,
Npp16s *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
NppStreamContext  nppStreamCtx 
)

Single channel 8-bit unsigned to 16-bit signed vertical Scharr filter.

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