ppmrelief man page on CentOS

ppmrelief man page on CentOS

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Ppmrelief User Manual(0)			      Ppmrelief User Manual(0)

NAME
       ppmrelief - run a Laplacian relief filter on a PPM image

SYNOPSIS
       ppmrelief

       [ppmfile]

DESCRIPTION
       This program is part of Netpbm(1).

       ppmrelief  reads	 a PPM image as input, does a Laplacian relief filter,
       and writes a PPM image as output.

       The Laplacian relief filter is described	 in  'Beyond  Photography'  by
       Holzmann, equation 3.19.	 It's a sort of edge-detection.

SEE ALSO
       pgmbentley(1), pgmoil(1), ppm(1)

AUTHOR
       Copyright (C) 1990 by Wilson Bent (whb@hoh-2.att.com)

netpbm documentation		11 January 1991	      Ppmrelief User Manual(0)

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