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pnmsmooth(1) Unix Programmer's Manual pnmsmooth(1)
NAME
pnmsmooth - smooth out an image
SYNOPSIS
pnmsmooth [pnmfile]
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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.
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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.
13 January 1991 1