IQA

Primitives for computing the image quality between two images, such as MSE, PSNR, SSIM, and MS-SSIM. More...

MSE
NppStatus	nppiMSE_8u_C1R (const Npp8u *pSrc1, int nSrc1Step, const Npp8u *pSrc2, int nSrc2Step, NppiSize oSizeROI, Npp32f *pMSE, Npp8u *pDeviceBuffer)
	One-channel 8-bit unsigned image MSE. More...
NppStatus	nppiPSNR_8u_C1R (const Npp8u *pSrc1, int nSrc1Step, const Npp8u *pSrc2, int nSrc2Step, NppiSize oSizeROI, Npp32f *pPSNR, Npp8u *pDeviceBuffer)
	One-channel 8-bit unsigned image PSNR. More...
NppStatus	nppiSSIM_8u_C1R (const Npp8u *pSrc1, int nSrc1Step, const Npp8u *pSrc2, int nSrc2Step, NppiSize oSizeROI, Npp32f *pSSIM, Npp8u *pDeviceBuffer)
	One-channel 8-bit unsigned image SSIM. More...
NppStatus	nppiMSSSIM_8u_C1R (const Npp8u *pSrc1, int nSrc1Step, const Npp8u *pSrc2, int nSrc2Step, NppiSize oSizeROI, Npp32f *pMSSSIM, Npp8u *pDeviceBuffer)
	One-channel 8-bit unsigned image MS-SSIM*. More...
NppStatus	nppiMSEGetBufferHostSize_8u_C1R (NppiSize oSizeROI, int *hpBufferSize)
	Buffer size for nppiMSE_8u_C1R. More...
NppStatus	nppiPSNRGetBufferHostSize_8u_C1R (NppiSize oSizeROI, int *hpBufferSize)
	Buffer size for nppiPSNR_8u_C1R. More...
NppStatus	nppiSSIMGetBufferHostSize_8u_C1R (NppiSize oSizeROI, int *hpBufferSize)
	Buffer size for nppiSSIM_8u_C1R. More...
NppStatus	nppiMSSSIMGetBufferHostSize_8u_C1R (NppiSize oSizeROI, int *hpBufferSize)
	Buffer size for nppiMSSSIM_8u_C1R. More...

Detailed Description

Primitives for computing the image quality between two images, such as MSE, PSNR, SSIM, and MS-SSIM.

Function Documentation

NppStatus nppiMSE_8u_C1R	(	const Npp8u *	pSrc1,
		int	nSrc1Step,
		const Npp8u *	pSrc2,
		int	nSrc2Step,
		NppiSize	oSizeROI,
		Npp32f *	pMSE,
		Npp8u *	pDeviceBuffer
	)

One-channel 8-bit unsigned image MSE.

Parameters

pSrc1	Source-Image Pointer.
nSrc1Step	Source-Image Line Step.
pSrc2	Source-Image Pointer.
nSrc2Step	Source-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
pMSE	Pointer to the computed MSE of two images.
pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer.

Returns

Image Data Related Error Codes, ROI Related Error Codes.

NppStatus nppiMSEGetBufferHostSize_8u_C1R	(	NppiSize	oSizeROI,
		int *	hpBufferSize
	)

Buffer size for nppiMSE_8u_C1R.

For common parameter descriptions, see CommonGetBufferHostSizeParameters.

NppStatus nppiMSSSIM_8u_C1R	(	const Npp8u *	pSrc1,
		int	nSrc1Step,
		const Npp8u *	pSrc2,
		int	nSrc2Step,
		NppiSize	oSizeROI,
		Npp32f *	pMSSSIM,
		Npp8u *	pDeviceBuffer
	)

One-channel 8-bit unsigned image MS-SSIM*.

Parameters

pSrc1	Source-Image Pointer.
nSrc1Step	Source-Image Line Step.
pSrc2	Source-Image Pointer.
nSrc2Step	Source-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
pMSSSIM	Pointer to the computed MS-SSIM of two images.
pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer.

Returns

Image Data Related Error Codes, ROI Related Error Codes.

NppStatus nppiMSSSIMGetBufferHostSize_8u_C1R	(	NppiSize	oSizeROI,
		int *	hpBufferSize
	)

Buffer size for nppiMSSSIM_8u_C1R.

For common parameter descriptions, see CommonGetBufferHostSizeParameters.

NppStatus nppiPSNR_8u_C1R	(	const Npp8u *	pSrc1,
		int	nSrc1Step,
		const Npp8u *	pSrc2,
		int	nSrc2Step,
		NppiSize	oSizeROI,
		Npp32f *	pPSNR,
		Npp8u *	pDeviceBuffer
	)

One-channel 8-bit unsigned image PSNR.

Parameters

pSrc1	Source-Image Pointer.
nSrc1Step	Source-Image Line Step.
pSrc2	Source-Image Pointer.
nSrc2Step	Source-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
pPSNR	Pointer to the computed PSNR of two images.
pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer.

Returns

Image Data Related Error Codes, ROI Related Error Codes.

NppStatus nppiPSNRGetBufferHostSize_8u_C1R	(	NppiSize	oSizeROI,
		int *	hpBufferSize
	)

Buffer size for nppiPSNR_8u_C1R.

For common parameter descriptions, see CommonGetBufferHostSizeParameters.

NppStatus nppiSSIM_8u_C1R	(	const Npp8u *	pSrc1,
		int	nSrc1Step,
		const Npp8u *	pSrc2,
		int	nSrc2Step,
		NppiSize	oSizeROI,
		Npp32f *	pSSIM,
		Npp8u *	pDeviceBuffer
	)

One-channel 8-bit unsigned image SSIM.

Parameters

pSrc1	Source-Image Pointer.
nSrc1Step	Source-Image Line Step.
pSrc2	Source-Image Pointer.
nSrc2Step	Source-Image Line Step.
oSizeROI	Region-of-Interest (ROI).
pSSIM	Pointer to the computed SSIM of two images.
pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer.

Returns

Image Data Related Error Codes, ROI Related Error Codes.

NppStatus nppiSSIMGetBufferHostSize_8u_C1R	(	NppiSize	oSizeROI,
		int *	hpBufferSize
	)

Buffer size for nppiSSIM_8u_C1R.

For common parameter descriptions, see CommonGetBufferHostSizeParameters.