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Copyright (C) 2000-2012
Philippe Troin
<webmaster@fifi.org>.

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Manpage of ppmrelief

ppmrelief

Section: User Commands (1)
Updated: 11 January 1991
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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)

Index

NAME
SYNOPSIS
DESCRIPTION
SEE ALSO
AUTHOR

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