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Man Pages


Manual Reference Pages  -  PUZZLE-DIFF (8)

NAME

puzzle-diff - Compare pictures with libpuzzle

CONTENTS

Synopsis
Description
Examples
See Also

SYNOPSIS

puzzle-diff [-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

SEE ALSO

libpuzzle(3) puzzle_set(3)
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