Ln

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

pSrcDst	In-Place Image Pointer.
nSrcDstStep	In-Place-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nppStreamCtx	Application 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

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

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

pSrcDst	In-Place Image Pointer.
nSrcDstStep	In-Place-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nppStreamCtx	Application 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

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

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

pSrcDst	In-Place Image Pointer.
nSrcDstStep	In-Place-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nScaleFactor	Integer Result Scaling.
nppStreamCtx	Application 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

pSrc	Source-Image Pointer.
nSrcStep	Source-Image Line Step.
pDst	Destination-Image Pointer.
nDstStep	Destination-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nScaleFactor	Integer Result Scaling.
nppStreamCtx	Application 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

pSrcDst	In-Place Image Pointer.
nSrcDstStep	In-Place-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nScaleFactor	Integer Result Scaling.
nppStreamCtx	Application 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

pSrc	Source-Image Pointer.
nSrcStep	Source-Image Line Step.
pDst	Destination-Image Pointer.
nDstStep	Destination-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nScaleFactor	Integer Result Scaling.
nppStreamCtx	Application 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

pSrcDst	In-Place Image Pointer.
nSrcDstStep	In-Place-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nScaleFactor	Integer Result Scaling.
nppStreamCtx	Application 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

pSrc	Source-Image Pointer.
nSrcStep	Source-Image Line Step.
pDst	Destination-Image Pointer.
nDstStep	Destination-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nScaleFactor	Integer Result Scaling.
nppStreamCtx	Application 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

pSrcDst	In-Place Image Pointer.
nSrcDstStep	In-Place-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nScaleFactor	Integer Result Scaling.
nppStreamCtx	Application 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

pSrc	Source-Image Pointer.
nSrcStep	Source-Image Line Step.
pDst	Destination-Image Pointer.
nDstStep	Destination-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nScaleFactor	Integer Result Scaling.
nppStreamCtx	Application 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

pSrcDst	In-Place Image Pointer.
nSrcDstStep	In-Place-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nppStreamCtx	Application 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

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

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

pSrcDst	In-Place Image Pointer.
nSrcDstStep	In-Place-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nppStreamCtx	Application 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

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

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

pSrcDst	In-Place Image Pointer.
nSrcDstStep	In-Place-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nScaleFactor	Integer Result Scaling.
nppStreamCtx	Application 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

pSrc	Source-Image Pointer.
nSrcStep	Source-Image Line Step.
pDst	Destination-Image Pointer.
nDstStep	Destination-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nScaleFactor	Integer Result Scaling.
nppStreamCtx	Application 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

pSrcDst	In-Place Image Pointer.
nSrcDstStep	In-Place-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nScaleFactor	Integer Result Scaling.
nppStreamCtx	Application 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

pSrc	Source-Image Pointer.
nSrcStep	Source-Image Line Step.
pDst	Destination-Image Pointer.
nDstStep	Destination-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
nScaleFactor	Integer Result Scaling.
nppStreamCtx	Application Managed Stream Context.

Returns

Image Data Related Error Codes, ROI Related Error Codes