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pnmsmooth(1)									     pnmsmooth(1)

       pnmsmooth - smooth out an image

       pnmsmooth [-size width height] [-dump dumpfile] [pnmfile]

       Smooths out an image by replacing each pixel with the average of its width X height neigh-
       bors.  It is implemented as a C progam that generates a PGM convolution	matrix	and  then
       invokes pnmconvol.

       -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 maxi-
	      mum pixel value.

       -dump dumpfile
	      Generates and saves the convolution file only.  Use of this option does not  invoke

       pnmconvol(1), pnm(5)

       Copyright (C) 1989, 1991 by Jef Poskanzer.
       Converted from script to C program December 1994 by Mike Burns (burns@chem.psu.edu).

					 4 December 1994			     pnmsmooth(1)
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