NVIDIA Performance Primitives (NPP)  Version 9.1
Functions
Erode
Morphological Operations

Erosion computes the output pixel as the minimum pixel value of the pixels under the mask. More...

Functions

NppStatus  nppiErode_8u_C1R (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const Npp8u *pMask, NppiSize oMaskSize, NppiPoint oAnchor)
  Single-channel 8-bit unsigned integer erosion. More...
 
NppStatus  nppiErode_8u_C3R (const Npp8u *pSrc, Npp32s nSrcStep, Npp8u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const Npp8u *pMask, NppiSize oMaskSize, NppiPoint oAnchor)
  Three-channel 8-bit unsigned integer erosion. More...
 
NppStatus  nppiErode_8u_C4R (const Npp8u *pSrc, int nSrcStep, Npp8u *pDst, int nDstStep, NppiSize oSizeROI, const Npp8u *pMask, NppiSize oMaskSize, NppiPoint oAnchor)
  Four-channel 8-bit unsigned integer erosion. More...
 
NppStatus  nppiErode_8u_AC4R (const Npp8u *pSrc, int nSrcStep, Npp8u *pDst, int nDstStep, NppiSize oSizeROI, const Npp8u *pMask, NppiSize oMaskSize, NppiPoint oAnchor)
  Four-channel 8-bit unsigned integer erosion, ignoring alpha-channel. More...
 
NppStatus  nppiErode_16u_C1R (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const Npp8u *pMask, NppiSize oMaskSize, NppiPoint oAnchor)
  Single-channel 16-bit unsigned integer erosion. More...
 
NppStatus  nppiErode_16u_C3R (const Npp16u *pSrc, Npp32s nSrcStep, Npp16u *pDst, Npp32s nDstStep, NppiSize oSizeROI, const Npp8u *pMask, NppiSize oMaskSize, NppiPoint oAnchor)
  Three-channel 16-bit unsigned integer erosion. More...
 
NppStatus  nppiErode_16u_C4R (const Npp16u *pSrc, int nSrcStep, Npp16u *pDst, int nDstStep, NppiSize oSizeROI, const Npp8u *pMask, NppiSize oMaskSize, NppiPoint oAnchor)
  Four-channel 16-bit unsigned integer erosion. More...
 
NppStatus  nppiErode_16u_AC4R (const Npp16u *pSrc, int nSrcStep, Npp16u *pDst, int nDstStep, NppiSize oSizeROI, const Npp8u *pMask, NppiSize oMaskSize, NppiPoint oAnchor)
  Four-channel 16-bit unsigned integer erosion, ignoring alpha-channel. More...
 
NppStatus  nppiErode_32f_C1R (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, const Npp8u *pMask, NppiSize oMaskSize, NppiPoint oAnchor)
  Single-channel 32-bit floating-point erosion. More...
 
NppStatus  nppiErode_32f_C3R (const Npp32f *pSrc, Npp32s nSrcStep, Npp32f *pDst, Npp32s nDstStep, NppiSize oSizeROI, const Npp8u *pMask, NppiSize oMaskSize, NppiPoint oAnchor)
  Three-channel 32-bit floating-point erosion. More...
 
NppStatus  nppiErode_32f_C4R (const Npp32f *pSrc, int nSrcStep, Npp32f *pDst, int nDstStep, NppiSize oSizeROI, const Npp8u *pMask, NppiSize oMaskSize, NppiPoint oAnchor)
  Four-channel 32-bit floating-point erosion. More...
 
NppStatus  nppiErode_32f_AC4R (const Npp32f *pSrc, int nSrcStep, Npp32f *pDst, int nDstStep, NppiSize oSizeROI, const Npp8u *pMask, NppiSize oMaskSize, NppiPoint oAnchor)
  Four-channel 32-bit floating-point erosion, ignoring alpha-channel. More...
 

Detailed Description

Erosion computes the output pixel as the minimum pixel value of the pixels under the mask.

Pixels who's corresponding mask values are zero do not participate in the maximum search.

It is the user's responsibility to avoid Sampling Beyond Image Boundaries.

Common parameters for nppiErode 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).
pMask Pointer to the start address of the mask array
oMaskSize Width and Height mask array.
oAnchor X and Y offsets of the mask origin frame of reference w.r.t the source pixel.
Returns
Image Data Related Error Codes, ROI Related Error Codes

Function Documentation

NppStatus nppiErode_16u_AC4R ( const Npp16u *  pSrc,
int  nSrcStep,
Npp16u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
const Npp8u *  pMask,
NppiSize  oMaskSize,
NppiPoint  oAnchor 
)

Four-channel 16-bit unsigned integer erosion, ignoring alpha-channel.

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

NppStatus nppiErode_16u_C1R ( const Npp16u *  pSrc,
Npp32s  nSrcStep,
Npp16u *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const Npp8u *  pMask,
NppiSize  oMaskSize,
NppiPoint  oAnchor 
)

Single-channel 16-bit unsigned integer erosion.

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

NppStatus nppiErode_16u_C3R ( const Npp16u *  pSrc,
Npp32s  nSrcStep,
Npp16u *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const Npp8u *  pMask,
NppiSize  oMaskSize,
NppiPoint  oAnchor 
)

Three-channel 16-bit unsigned integer erosion.

NppStatus nppiErode_16u_C4R ( const Npp16u *  pSrc,
int  nSrcStep,
Npp16u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
const Npp8u *  pMask,
NppiSize  oMaskSize,
NppiPoint  oAnchor 
)

Four-channel 16-bit unsigned integer erosion.

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

NppStatus nppiErode_32f_AC4R ( const Npp32f *  pSrc,
int  nSrcStep,
Npp32f *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
const Npp8u *  pMask,
NppiSize  oMaskSize,
NppiPoint  oAnchor 
)

Four-channel 32-bit floating-point erosion, ignoring alpha-channel.

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

NppStatus nppiErode_32f_C1R ( const Npp32f *  pSrc,
Npp32s  nSrcStep,
Npp32f *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const Npp8u *  pMask,
NppiSize  oMaskSize,
NppiPoint  oAnchor 
)

Single-channel 32-bit floating-point erosion.

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

NppStatus nppiErode_32f_C3R ( const Npp32f *  pSrc,
Npp32s  nSrcStep,
Npp32f *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const Npp8u *  pMask,
NppiSize  oMaskSize,
NppiPoint  oAnchor 
)

Three-channel 32-bit floating-point erosion.

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

NppStatus nppiErode_32f_C4R ( const Npp32f *  pSrc,
int  nSrcStep,
Npp32f *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
const Npp8u *  pMask,
NppiSize  oMaskSize,
NppiPoint  oAnchor 
)

Four-channel 32-bit floating-point erosion.

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

NppStatus nppiErode_8u_AC4R ( const Npp8u *  pSrc,
int  nSrcStep,
Npp8u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
const Npp8u *  pMask,
NppiSize  oMaskSize,
NppiPoint  oAnchor 
)

Four-channel 8-bit unsigned integer erosion, ignoring alpha-channel.

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

NppStatus nppiErode_8u_C1R ( const Npp8u *  pSrc,
Npp32s  nSrcStep,
Npp8u *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const Npp8u *  pMask,
NppiSize  oMaskSize,
NppiPoint  oAnchor 
)

Single-channel 8-bit unsigned integer erosion.

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

NppStatus nppiErode_8u_C3R ( const Npp8u *  pSrc,
Npp32s  nSrcStep,
Npp8u *  pDst,
Npp32s  nDstStep,
NppiSize  oSizeROI,
const Npp8u *  pMask,
NppiSize  oMaskSize,
NppiPoint  oAnchor 
)

Three-channel 8-bit unsigned integer erosion.

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

NppStatus nppiErode_8u_C4R ( const Npp8u *  pSrc,
int  nSrcStep,
Npp8u *  pDst,
int  nDstStep,
NppiSize  oSizeROI,
const Npp8u *  pMask,
NppiSize  oMaskSize,
NppiPoint  oAnchor 
)

Four-channel 8-bit unsigned integer erosion.

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