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ppmtopuzz(1) [osf1 man page]

ppmtopuzz(1)						      General Commands Manual						      ppmtopuzz(1)

ppmtopuzz - convert a portable pixmap into an X11 "puzzle" file SYNOPSIS
ppmtopuzz [ppmfile] DESCRIPTION
Reads a portable pixmap as input. Produces an X11 "puzzle" file as output. A "puzzle" file is for use with the puzzle program included with the X11 distribution - puzzle's -picture flag lets you specify an image file. SEE ALSO
ppm(5), puzzle(1) AUTHOR
Copyright (C) 1991 by Jef Poskanzer. 22 August 1990 ppmtopuzz(1)

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PUZZLE-DIFF(1)															    PUZZLE-DIFF(1)

puzzle-diff - Compare pictures with libpuzzle SYNOPSIS
[-b <contrast barrier for cropping>] [-c] [-C <max cropping ratio>] [-e] [-E <similarity threshold>] [-h] [-H <max height>] [-l <lambdas>] [-n <noise cutoff>] [-p <p ratio>] [-t] [-W <max width>] <file 1> <file 2> DESCRIPTION
puzzle-diff compares two pictures and outputs the normalized distance. Try puzzle-diff -h for more info. EXAMPLES
Output distance between two images: $ puzzle-diff pic-a-0.jpg pics-a-1.jpg 0.102286 Compare two images, exit with 10 if they look the same, exit with 20 if they don't (may be useful for scripts): $ puzzle-diff -e pic-a-0.jpg pics-a-1.jpg $ echo $? 10 Compute distance, without cropping and with computing the average intensity of the whole blocks: $ puzzle-diff -p 1.0 -c pic-a-0.jpg pic-a-1.jpg 0.0523151 AUTHORS
Frank DENIS libpuzzle at pureftpd dot org SEE ALSO
libpuzzle(3), puzzle_set(3) 2012-05-09 PUZZLE-DIFF(1)
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