Query: ppmrelief
OS: xfree86
Section: 1
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
ppmrelief(1) General Commands Manual ppmrelief(1) NAME
ppmrelief - run a Laplacian relief filter on a portable pixmap SYNOPSIS
ppmrelief [ppmfile] DESCRIPTION
Reads a portable pixmap as input. Does a Laplacian relief filter, and writes a portable pixmap 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(5) AUTHOR
Copyright (C) 1990 by Wilson Bent (whb@hoh-2.att.com) 11 January 1991 ppmrelief(1)
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