/// <summary> /// image average relative error. /// </summary> /// <param name="src2">2nd source image</param> /// <param name="pError">Pointer to the computed error.</param> /// <param name="buffer">Pointer to the user-allocated scratch buffer required for the AverageRelativeError operation.</param> /// <param name="nppStreamCtx">NPP stream context.</param> public void AverageRelativeError(NPPImage_16sC2 src2, CudaDeviceVariable <double> pError, CudaDeviceVariable <byte> buffer, NppStreamContext nppStreamCtx) { int bufferSize = AverageRelativeErrorGetBufferHostSize(nppStreamCtx); if (bufferSize > buffer.Size) { throw new NPPException("Provided buffer is too small."); } status = NPPNativeMethods_Ctx.NPPi.AverageRelativeError.nppiAverageRelativeError_16s_C2R_Ctx(_devPtrRoi, _pitch, src2.DevicePointerRoi, src2.Pitch, _sizeRoi, pError.DevicePointer, buffer.DevicePointer, nppStreamCtx); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiAverageRelativeError_16s_C2R_Ctx", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// An input color twist matrix with floating-point pixel values is applied /// within ROI. /// </summary> /// <param name="dest">Destination image</param> /// <param name="twistMatrix">The color twist matrix with floating-point pixel values [3,4].</param> /// <param name="nppStreamCtx">NPP stream context.</param> public void ColorTwist(NPPImage_16sC2 dest, float[,] twistMatrix, NppStreamContext nppStreamCtx) { status = NPPNativeMethods_Ctx.NPPi.ColorProcessing.nppiColorTwist32f_16s_C2R_Ctx(_devPtrRoi, _pitch, dest.DevicePointerRoi, dest.Pitch, _sizeRoi, twistMatrix, nppStreamCtx); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiColorTwist32f_16s_C2R_Ctx", status)); NPPException.CheckNppStatus(status, this); }
/// <summary> /// image maximum relative error. User buffer is internally allocated and freed. /// </summary> /// <param name="src2">2nd source image</param> /// <param name="pError">Pointer to the computed error.</param> /// <param name="nppStreamCtx">NPP stream context.</param> public void MaximumRelativeError(NPPImage_16sC2 src2, CudaDeviceVariable <double> pError, NppStreamContext nppStreamCtx) { int bufferSize = MaximumRelativeErrorGetBufferHostSize(nppStreamCtx); CudaDeviceVariable <byte> buffer = new CudaDeviceVariable <byte>(bufferSize); status = NPPNativeMethods_Ctx.NPPi.MaximumRelativeError.nppiMaximumRelativeError_16s_C2R_Ctx(_devPtrRoi, _pitch, src2.DevicePointerRoi, src2.Pitch, _sizeRoi, pError.DevicePointer, buffer.DevicePointer, nppStreamCtx); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiMaximumRelativeError_16s_C2R_Ctx", status)); buffer.Dispose(); NPPException.CheckNppStatus(status, this); }