Kernel for 5x5 spharpening filter (Laplacian + original color).

FilterSharpen5x5: TConvolutionFilter5x5 = ( Kernel: ((-1, -1, -1, -1, -1), (-1, -1, -1, -1, -1), (-1, -1, 25, -1, -1), (-1, -1, -1, -1, -1), (-1, -1, -1, -1, -1)); Divisor: 1);

ImagingCanvases (at line 493)