pnmsmooth(1)

NAME
pnmsmooth - smooth out an image

SYNOPSIS
pnmsmooth [pnmfile]

DESCRIPTION
Smooths out an image by replacing each pixel with the average of its nine immediate neighbors. It is implemented as a simple script using pnmconvol.

SEE ALSO
pnmconvol(1), pnm(5)

BUGS
It's a script. Scripts are not portable to non-Unix environments.

AUTHOR
Copyright (C) 1989, 1991 by Jef Poskanzer.