NVIDIA 2D Image And Signal Performance Primitives (NPP)  Version 11.0.1.*
 All Data Structures Functions Variables Typedefs Enumerations Enumerator Groups Pages
Functions

Pixel by pixel natural logarithm of each pixel in an image. More...

Functions

NppStatus nppiLn_8u_C1RSfs_Ctx (const Npp8u *pSrc, int nSrcStep, Npp8u *pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor, NppStreamContext nppStreamCtx)
 One 8-bit unsigned char channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. More...
 
NppStatus nppiLn_8u_C1RSfs (const Npp8u *pSrc, int nSrcStep, Npp8u *pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor)
 
NppStatus nppiLn_8u_C1IRSfs_Ctx (Npp8u *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor, NppStreamContext nppStreamCtx)
 One 8-bit unsigned char channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. More...
 
NppStatus nppiLn_8u_C1IRSfs (Npp8u *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor)
 
NppStatus nppiLn_8u_C3RSfs_Ctx (const Npp8u *pSrc, int nSrcStep, Npp8u *pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor, NppStreamContext nppStreamCtx)
 Three 8-bit unsigned char channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. More...
 
NppStatus nppiLn_8u_C3RSfs (const Npp8u *pSrc, int nSrcStep, Npp8u *pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor)
 
NppStatus nppiLn_8u_C3IRSfs_Ctx (Npp8u *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor, NppStreamContext nppStreamCtx)
 Three 8-bit unsigned char channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. More...
 
NppStatus nppiLn_8u_C3IRSfs (Npp8u *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor)
 
NppStatus nppiLn_16u_C1RSfs_Ctx (const Npp16u *pSrc, int nSrcStep, Npp16u *pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor, NppStreamContext nppStreamCtx)
 One 16-bit unsigned short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. More...
 
NppStatus nppiLn_16u_C1RSfs (const Npp16u *pSrc, int nSrcStep, Npp16u *pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor)
 
NppStatus nppiLn_16u_C1IRSfs_Ctx (Npp16u *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor, NppStreamContext nppStreamCtx)
 One 16-bit unsigned short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. More...
 
NppStatus nppiLn_16u_C1IRSfs (Npp16u *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor)
 
NppStatus nppiLn_16u_C3RSfs_Ctx (const Npp16u *pSrc, int nSrcStep, Npp16u *pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor, NppStreamContext nppStreamCtx)
 Three 16-bit unsigned short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. More...
 
NppStatus nppiLn_16u_C3RSfs (const Npp16u *pSrc, int nSrcStep, Npp16u *pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor)
 
NppStatus nppiLn_16u_C3IRSfs_Ctx (Npp16u *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor, NppStreamContext nppStreamCtx)
 Three 16-bit unsigned short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. More...
 
NppStatus nppiLn_16u_C3IRSfs (Npp16u *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor)
 
NppStatus nppiLn_16s_C1RSfs_Ctx (const Npp16s *pSrc, int nSrcStep, Npp16s *pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor, NppStreamContext nppStreamCtx)
 One 16-bit signed short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. More...
 
NppStatus nppiLn_16s_C1RSfs (const Npp16s *pSrc, int nSrcStep, Npp16s *pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor)
 
NppStatus nppiLn_16s_C1IRSfs_Ctx (Npp16s *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor, NppStreamContext nppStreamCtx)
 One 16-bit signed short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. More...
 
NppStatus nppiLn_16s_C1IRSfs (Npp16s *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor)
 
NppStatus nppiLn_16s_C3RSfs_Ctx (const Npp16s *pSrc, int nSrcStep, Npp16s *pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor, NppStreamContext nppStreamCtx)
 Three 16-bit signed short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. More...
 
NppStatus nppiLn_16s_C3RSfs (const Npp16s *pSrc, int nSrcStep, Npp16s *pDst, int nDstStep, NppiSize oSizeROI, int nScaleFactor)
 
NppStatus nppiLn_16s_C3IRSfs_Ctx (Npp16s *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor, NppStreamContext nppStreamCtx)
 Three 16-bit signed short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. More...
 
NppStatus nppiLn_16s_C3IRSfs (Npp16s *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, int nScaleFactor)
 
NppStatus nppiLn_16f_C1R_Ctx (const Npp16f *pSrc, int nSrcStep, Npp16f *pDst, int nDstStep, NppiSize oSizeROI, NppStreamContext nppStreamCtx)
 One 16-bit floating point channel image natural logarithm. More...
 
NppStatus nppiLn_16f_C1R (const Npp16f *pSrc, int nSrcStep, Npp16f *pDst, int nDstStep, NppiSize oSizeROI)
 
NppStatus nppiLn_16f_C1IR_Ctx (Npp16f *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, NppStreamContext nppStreamCtx)
 One 16-bit floating point channel in place image natural logarithm. More...
 
NppStatus nppiLn_16f_C1IR (Npp16f *pSrcDst, int nSrcDstStep, NppiSize oSizeROI)
 
NppStatus nppiLn_16f_C3R_Ctx (const Npp16f *pSrc, int nSrcStep, Npp16f *pDst, int nDstStep, NppiSize oSizeROI, NppStreamContext nppStreamCtx)
 Three 16-bit floating point channel image natural logarithm. More...
 
NppStatus nppiLn_16f_C3R (const Npp16f *pSrc, int nSrcStep, Npp16f *pDst, int nDstStep, NppiSize oSizeROI)
 
NppStatus nppiLn_16f_C3IR_Ctx (Npp16f *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, NppStreamContext nppStreamCtx)
 Three 16-bit floating point channel in place image natural logarithm. More...
 
NppStatus nppiLn_16f_C3IR (Npp16f *pSrcDst, int nSrcDstStep, NppiSize oSizeROI)
 
NppStatus nppiLn_32f_C1R_Ctx (const Npp32f *pSrc, int nSrcStep, Npp32f *pDst, int nDstStep, NppiSize oSizeROI, NppStreamContext nppStreamCtx)
 One 32-bit floating point channel image natural logarithm. More...
 
NppStatus nppiLn_32f_C1R (const Npp32f *pSrc, int nSrcStep, Npp32f *pDst, int nDstStep, NppiSize oSizeROI)
 
NppStatus nppiLn_32f_C1IR_Ctx (Npp32f *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, NppStreamContext nppStreamCtx)
 One 32-bit floating point channel in place image natural logarithm. More...
 
NppStatus nppiLn_32f_C1IR (Npp32f *pSrcDst, int nSrcDstStep, NppiSize oSizeROI)
 
NppStatus nppiLn_32f_C3R_Ctx (const Npp32f *pSrc, int nSrcStep, Npp32f *pDst, int nDstStep, NppiSize oSizeROI, NppStreamContext nppStreamCtx)
 Three 32-bit floating point channel image natural logarithm. More...
 
NppStatus nppiLn_32f_C3R (const Npp32f *pSrc, int nSrcStep, Npp32f *pDst, int nDstStep, NppiSize oSizeROI)
 
NppStatus nppiLn_32f_C3IR_Ctx (Npp32f *pSrcDst, int nSrcDstStep, NppiSize oSizeROI, NppStreamContext nppStreamCtx)
 Three 32-bit floating point channel in place image natural logarithm. More...
 
NppStatus nppiLn_32f_C3IR (Npp32f *pSrcDst, int nSrcDstStep, NppiSize oSizeROI)
 

Detailed Description

Pixel by pixel natural logarithm of each pixel in an image.

Function Documentation

NppStatus nppiLn_16f_C1IR ( Npp16f pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI 
)
NppStatus nppiLn_16f_C1IR_Ctx ( Npp16f pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
NppStreamContext  nppStreamCtx 
)

One 16-bit floating point channel in place image natural logarithm.

Parameters
pSrcDstIn-Place Image Pointer.
nSrcDstStepIn-Place-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_16f_C1R ( const Npp16f pSrc,
int  nSrcStep,
Npp16f pDst,
int  nDstStep,
NppiSize  oSizeROI 
)
NppStatus nppiLn_16f_C1R_Ctx ( const Npp16f pSrc,
int  nSrcStep,
Npp16f pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppStreamContext  nppStreamCtx 
)

One 16-bit floating point channel image natural logarithm.

Parameters
pSrcSource-Image Pointer.
nSrcStepSource-Image Line Step.
pDstDestination-Image Pointer.
nDstStepDestination-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_16f_C3IR ( Npp16f pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI 
)
NppStatus nppiLn_16f_C3IR_Ctx ( Npp16f pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
NppStreamContext  nppStreamCtx 
)

Three 16-bit floating point channel in place image natural logarithm.

Parameters
pSrcDstIn-Place Image Pointer.
nSrcDstStepIn-Place-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_16f_C3R ( const Npp16f pSrc,
int  nSrcStep,
Npp16f pDst,
int  nDstStep,
NppiSize  oSizeROI 
)
NppStatus nppiLn_16f_C3R_Ctx ( const Npp16f pSrc,
int  nSrcStep,
Npp16f pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppStreamContext  nppStreamCtx 
)

Three 16-bit floating point channel image natural logarithm.

Parameters
pSrcSource-Image Pointer.
nSrcStepSource-Image Line Step.
pDstDestination-Image Pointer.
nDstStepDestination-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_16s_C1IRSfs ( Npp16s pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
int  nScaleFactor 
)
NppStatus nppiLn_16s_C1IRSfs_Ctx ( Npp16s pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
int  nScaleFactor,
NppStreamContext  nppStreamCtx 
)

One 16-bit signed short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Parameters
pSrcDstIn-Place Image Pointer.
nSrcDstStepIn-Place-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nScaleFactorInteger Result Scaling.
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_16s_C1RSfs ( const Npp16s pSrc,
int  nSrcStep,
Npp16s pDst,
int  nDstStep,
NppiSize  oSizeROI,
int  nScaleFactor 
)
NppStatus nppiLn_16s_C1RSfs_Ctx ( const Npp16s pSrc,
int  nSrcStep,
Npp16s pDst,
int  nDstStep,
NppiSize  oSizeROI,
int  nScaleFactor,
NppStreamContext  nppStreamCtx 
)

One 16-bit signed short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Parameters
pSrcSource-Image Pointer.
nSrcStepSource-Image Line Step.
pDstDestination-Image Pointer.
nDstStepDestination-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nScaleFactorInteger Result Scaling.
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_16s_C3IRSfs ( Npp16s pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
int  nScaleFactor 
)
NppStatus nppiLn_16s_C3IRSfs_Ctx ( Npp16s pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
int  nScaleFactor,
NppStreamContext  nppStreamCtx 
)

Three 16-bit signed short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Parameters
pSrcDstIn-Place Image Pointer.
nSrcDstStepIn-Place-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nScaleFactorInteger Result Scaling.
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_16s_C3RSfs ( const Npp16s pSrc,
int  nSrcStep,
Npp16s pDst,
int  nDstStep,
NppiSize  oSizeROI,
int  nScaleFactor 
)
NppStatus nppiLn_16s_C3RSfs_Ctx ( const Npp16s pSrc,
int  nSrcStep,
Npp16s pDst,
int  nDstStep,
NppiSize  oSizeROI,
int  nScaleFactor,
NppStreamContext  nppStreamCtx 
)

Three 16-bit signed short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Parameters
pSrcSource-Image Pointer.
nSrcStepSource-Image Line Step.
pDstDestination-Image Pointer.
nDstStepDestination-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nScaleFactorInteger Result Scaling.
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_16u_C1IRSfs ( Npp16u pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
int  nScaleFactor 
)
NppStatus nppiLn_16u_C1IRSfs_Ctx ( Npp16u pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
int  nScaleFactor,
NppStreamContext  nppStreamCtx 
)

One 16-bit unsigned short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Parameters
pSrcDstIn-Place Image Pointer.
nSrcDstStepIn-Place-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nScaleFactorInteger Result Scaling.
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_16u_C1RSfs ( const Npp16u pSrc,
int  nSrcStep,
Npp16u pDst,
int  nDstStep,
NppiSize  oSizeROI,
int  nScaleFactor 
)
NppStatus nppiLn_16u_C1RSfs_Ctx ( const Npp16u pSrc,
int  nSrcStep,
Npp16u pDst,
int  nDstStep,
NppiSize  oSizeROI,
int  nScaleFactor,
NppStreamContext  nppStreamCtx 
)

One 16-bit unsigned short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Parameters
pSrcSource-Image Pointer.
nSrcStepSource-Image Line Step.
pDstDestination-Image Pointer.
nDstStepDestination-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nScaleFactorInteger Result Scaling.
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_16u_C3IRSfs ( Npp16u pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
int  nScaleFactor 
)
NppStatus nppiLn_16u_C3IRSfs_Ctx ( Npp16u pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
int  nScaleFactor,
NppStreamContext  nppStreamCtx 
)

Three 16-bit unsigned short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Parameters
pSrcDstIn-Place Image Pointer.
nSrcDstStepIn-Place-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nScaleFactorInteger Result Scaling.
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_16u_C3RSfs ( const Npp16u pSrc,
int  nSrcStep,
Npp16u pDst,
int  nDstStep,
NppiSize  oSizeROI,
int  nScaleFactor 
)
NppStatus nppiLn_16u_C3RSfs_Ctx ( const Npp16u pSrc,
int  nSrcStep,
Npp16u pDst,
int  nDstStep,
NppiSize  oSizeROI,
int  nScaleFactor,
NppStreamContext  nppStreamCtx 
)

Three 16-bit unsigned short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Parameters
pSrcSource-Image Pointer.
nSrcStepSource-Image Line Step.
pDstDestination-Image Pointer.
nDstStepDestination-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nScaleFactorInteger Result Scaling.
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_32f_C1IR ( Npp32f pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI 
)
NppStatus nppiLn_32f_C1IR_Ctx ( Npp32f pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
NppStreamContext  nppStreamCtx 
)

One 32-bit floating point channel in place image natural logarithm.

Parameters
pSrcDstIn-Place Image Pointer.
nSrcDstStepIn-Place-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_32f_C1R ( const Npp32f pSrc,
int  nSrcStep,
Npp32f pDst,
int  nDstStep,
NppiSize  oSizeROI 
)
NppStatus nppiLn_32f_C1R_Ctx ( const Npp32f pSrc,
int  nSrcStep,
Npp32f pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppStreamContext  nppStreamCtx 
)

One 32-bit floating point channel image natural logarithm.

Parameters
pSrcSource-Image Pointer.
nSrcStepSource-Image Line Step.
pDstDestination-Image Pointer.
nDstStepDestination-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_32f_C3IR ( Npp32f pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI 
)
NppStatus nppiLn_32f_C3IR_Ctx ( Npp32f pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
NppStreamContext  nppStreamCtx 
)

Three 32-bit floating point channel in place image natural logarithm.

Parameters
pSrcDstIn-Place Image Pointer.
nSrcDstStepIn-Place-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_32f_C3R ( const Npp32f pSrc,
int  nSrcStep,
Npp32f pDst,
int  nDstStep,
NppiSize  oSizeROI 
)
NppStatus nppiLn_32f_C3R_Ctx ( const Npp32f pSrc,
int  nSrcStep,
Npp32f pDst,
int  nDstStep,
NppiSize  oSizeROI,
NppStreamContext  nppStreamCtx 
)

Three 32-bit floating point channel image natural logarithm.

Parameters
pSrcSource-Image Pointer.
nSrcStepSource-Image Line Step.
pDstDestination-Image Pointer.
nDstStepDestination-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_8u_C1IRSfs ( Npp8u pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
int  nScaleFactor 
)
NppStatus nppiLn_8u_C1IRSfs_Ctx ( Npp8u pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
int  nScaleFactor,
NppStreamContext  nppStreamCtx 
)

One 8-bit unsigned char channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Parameters
pSrcDstIn-Place Image Pointer.
nSrcDstStepIn-Place-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nScaleFactorInteger Result Scaling.
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_8u_C1RSfs ( const Npp8u pSrc,
int  nSrcStep,
Npp8u pDst,
int  nDstStep,
NppiSize  oSizeROI,
int  nScaleFactor 
)
NppStatus nppiLn_8u_C1RSfs_Ctx ( const Npp8u pSrc,
int  nSrcStep,
Npp8u pDst,
int  nDstStep,
NppiSize  oSizeROI,
int  nScaleFactor,
NppStreamContext  nppStreamCtx 
)

One 8-bit unsigned char channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Parameters
pSrcSource-Image Pointer.
nSrcStepSource-Image Line Step.
pDstDestination-Image Pointer.
nDstStepDestination-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nScaleFactorInteger Result Scaling.
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_8u_C3IRSfs ( Npp8u pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
int  nScaleFactor 
)
NppStatus nppiLn_8u_C3IRSfs_Ctx ( Npp8u pSrcDst,
int  nSrcDstStep,
NppiSize  oSizeROI,
int  nScaleFactor,
NppStreamContext  nppStreamCtx 
)

Three 8-bit unsigned char channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Parameters
pSrcDstIn-Place Image Pointer.
nSrcDstStepIn-Place-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nScaleFactorInteger Result Scaling.
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes
NppStatus nppiLn_8u_C3RSfs ( const Npp8u pSrc,
int  nSrcStep,
Npp8u pDst,
int  nDstStep,
NppiSize  oSizeROI,
int  nScaleFactor 
)
NppStatus nppiLn_8u_C3RSfs_Ctx ( const Npp8u pSrc,
int  nSrcStep,
Npp8u pDst,
int  nDstStep,
NppiSize  oSizeROI,
int  nScaleFactor,
NppStreamContext  nppStreamCtx 
)

Three 8-bit unsigned char channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value.

Parameters
pSrcSource-Image Pointer.
nSrcStepSource-Image Line Step.
pDstDestination-Image Pointer.
nDstStepDestination-Image Line Step.
oSizeROIRegion-of-Interest (ROI).
nScaleFactorInteger Result Scaling.
nppStreamCtxApplication Managed Stream Context.
Returns
Image Data Related Error Codes, ROI Related Error Codes

Copyright © 2009-2020 NVIDIA Corporation