This is the command pnmsmooth that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
pnmsmooth - smooth out an image
SYNOPSIS
pnmsmooth [-size width height] [-dump dumpfile] [pnmfile]
DESCRIPTION
Smooths out an image by replacing each pixel with the average of its width X height
neighbors. It is implemented as a C progam that generates a PGM convolution matrix and
then invokes pnmconvol.
OPTIONS
-size width height
Specifies the size of the convolution matrix. Default size is a 3x3 matrix. Width
and height sizes must be odd. Maximum size of convolution matrix is limited by the
maximum value for a pixel such that (width * height * 2) must not exceed the
maximum pixel value.
-dump dumpfile
Generates and saves the convolution file only. Use of this option does not invoke
pnmconvol.
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