Class NPPNativeMethods.NPPi.IQA

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

Inheritance

System.Object

NPPNativeMethods.NPPi.IQA

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: ManagedCuda.NPP

Assembly: NPP.dll

Syntax

public static class IQA

Methods

nppiMSE_8u_C1R(CUdeviceptr, Int32, CUdeviceptr, Int32, NppiSize, CUdeviceptr, CUdeviceptr)

One-channel 8-bit unsigned image MSE.

Declaration

public static NppStatus nppiMSE_8u_C1R(CUdeviceptr pSrc1, int nSrc1Step, CUdeviceptr pSrc2, int nSrc2Step, NppiSize oSizeROI, CUdeviceptr pMSE, CUdeviceptr pDeviceBuffer)

Parameters

Type	Name	Description
CUdeviceptr	pSrc1	Source-Image Pointer.
System.Int32	nSrc1Step	Source-Image Line Step.
CUdeviceptr	pSrc2	Source-Image Pointer.
System.Int32	nSrc2Step	Source-Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
CUdeviceptr	pMSE	Pointer to the computed MSE of two images.
CUdeviceptr	pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer.

Returns

Type	Description
NppStatus

nppiMSEGetBufferHostSize_8u_C1R(NppiSize, ref Int32)

Buffer size for \ref nppiMSE_8u_C1R.

Declaration

public static NppStatus nppiMSEGetBufferHostSize_8u_C1R(NppiSize oSizeROI, ref int hpBufferSize)

Parameters

Type	Name	Description
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	hpBufferSize	Required buffer size. Important: hpBufferSize is a

Returns

Type	Description
NppStatus

nppiMSSSIM_8u_C1R(CUdeviceptr, Int32, CUdeviceptr, Int32, NppiSize, CUdeviceptr, CUdeviceptr)

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

Declaration

public static NppStatus nppiMSSSIM_8u_C1R(CUdeviceptr pSrc1, int nSrc1Step, CUdeviceptr pSrc2, int nSrc2Step, NppiSize oSizeROI, CUdeviceptr pMSSSIM, CUdeviceptr pDeviceBuffer)

Parameters

Type	Name	Description
CUdeviceptr	pSrc1	Source-Image Pointer.
System.Int32	nSrc1Step	Source-Image Line Step.
CUdeviceptr	pSrc2	Source-Image Pointer.
System.Int32	nSrc2Step	Source-Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
CUdeviceptr	pMSSSIM	Pointer to the computed MS-SSIM of two images.
CUdeviceptr	pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer.

Returns

Type	Description
NppStatus

nppiMSSSIMGetBufferHostSize_8u_C1R(NppiSize, ref Int32)

Buffer size for \ref nppiMSSSIM_8u_C1R.

Declaration

public static NppStatus nppiMSSSIMGetBufferHostSize_8u_C1R(NppiSize oSizeROI, ref int hpBufferSize)

Parameters

Type	Name	Description
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	hpBufferSize	Required buffer size. Important: hpBufferSize is a

Returns

Type	Description
NppStatus

nppiPSNR_8u_C1R(CUdeviceptr, Int32, CUdeviceptr, Int32, NppiSize, CUdeviceptr, CUdeviceptr)

One-channel 8-bit unsigned image PSNR.

Declaration

public static NppStatus nppiPSNR_8u_C1R(CUdeviceptr pSrc1, int nSrc1Step, CUdeviceptr pSrc2, int nSrc2Step, NppiSize oSizeROI, CUdeviceptr pPSNR, CUdeviceptr pDeviceBuffer)

Parameters

Type	Name	Description
CUdeviceptr	pSrc1	Source-Image Pointer.
System.Int32	nSrc1Step	Source-Image Line Step.
CUdeviceptr	pSrc2	Source-Image Pointer.
System.Int32	nSrc2Step	Source-Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
CUdeviceptr	pPSNR	Pointer to the computed PSNR of two images.
CUdeviceptr	pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer.

Returns

Type	Description
NppStatus

nppiPSNRGetBufferHostSize_8u_C1R(NppiSize, ref Int32)

Buffer size for \ref nppiPSNR_8u_C1R.

Declaration

public static NppStatus nppiPSNRGetBufferHostSize_8u_C1R(NppiSize oSizeROI, ref int hpBufferSize)

Parameters

Type	Name	Description
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	hpBufferSize	Required buffer size. Important: hpBufferSize is a

Returns

Type	Description
NppStatus

nppiSSIM_8u_C1R(CUdeviceptr, Int32, CUdeviceptr, Int32, NppiSize, CUdeviceptr, CUdeviceptr)

One-channel 8-bit unsigned image SSIM.

Declaration

public static NppStatus nppiSSIM_8u_C1R(CUdeviceptr pSrc1, int nSrc1Step, CUdeviceptr pSrc2, int nSrc2Step, NppiSize oSizeROI, CUdeviceptr pSSIM, CUdeviceptr pDeviceBuffer)

Parameters

Type	Name	Description
CUdeviceptr	pSrc1	Source-Image Pointer.
System.Int32	nSrc1Step	Source-Image Line Step.
CUdeviceptr	pSrc2	Source-Image Pointer.
System.Int32	nSrc2Step	Source-Image Line Step.
NppiSize	oSizeROI	Region-of-Interest (ROI).
CUdeviceptr	pSSIM	Pointer to the computed SSIM of two images.
CUdeviceptr	pDeviceBuffer	Pointer to the required device memory allocation, Scratch Buffer and Host Pointer.

Returns

Type	Description
NppStatus

nppiSSIMGetBufferHostSize_8u_C1R(NppiSize, ref Int32)

Buffer size for \ref nppiSSIM_8u_C1R.

Declaration

public static NppStatus nppiSSIMGetBufferHostSize_8u_C1R(NppiSize oSizeROI, ref int hpBufferSize)

Parameters

Type	Name	Description
NppiSize	oSizeROI	Region-of-Interest (ROI).
System.Int32	hpBufferSize	Required buffer size. Important: hpBufferSize is a

Returns

Type	Description
NppStatus