pgmkernel
generates convolution kernels as PGM images for use with pnmconvol
TLDR
Generate convolution kernel
$ pgmkernel [7] [7] > [kernel.pgm]
Generate with weight$ pgmkernel -weight [6.0] [5] [5] > [kernel.pgm]
SYNOPSIS
pgmkernel [options] width height
DESCRIPTION
pgmkernel generates convolution kernels as PGM images for use with pnmconvol. Creates Gaussian-like weighting patterns. Part of Netpbm toolkit.
PARAMETERS
width
Kernel width.height
Kernel height.-weight n
Center pixel weight.
INSTALL
sudo apt install netpbm
sudo dnf install netpbm
sudo pacman -S netpbm
sudo apk add netpbm
sudo zypper install netpbm
brew install netpbm
nix profile install nixpkgs#netpbm
SEE ALSO
pnmconvol(1), pgmtexture(1)