chickadee » leptonic » pix-unsharp-mask

pix-unsharp-maskprocedure
  • in - PPIX
  • in - SMOOTHING: filter is odd int such as 3, 5, 7. Input is halfwidth = (size - 1)/2, i.e., 1, 2, 3.
  • in - AMOUNT is float, typically in range 0.2 to 0.7.
  • returns: modified ppix.