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Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :

ISBN : 978-2-7460-9712-4
EAN : 9782746097124
(Editions ENI)

GNU/Linux	Debian 6.0.5 (Squeeze)
	ppmrelief(1)

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ppmrelief

NAME
SYNOPSIS
DESCRIPTION
SEE ALSO
AUTHOR

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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)

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ppmrelief(1)