Match child with parents and form matrix Post: 302933886

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pnmsmooth

pnmsmooth(1)                                                  General Commands Manual                                                 pnmsmooth(1)

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 gener-
       ates 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.

SEE ALSO

       pnmconvol(1), pnm(5)

AUTHORS

       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)