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
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 ([email protected])
