pnmconvol (1) Linux Manual Page
NAME pnmconvol – general MxN convolution on a portable anymap SYNOPSIS pnmconvol convolutionfile [pnmfile] DESCRIPTION Reads two portable anymaps as input. Convolves the second using the first, and writes a portable anymap as output. Convolution means replacing each pixel with a weighted average of the nearby pixels. The weights and the area to average are…
