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perceptualdiff
Langue: en
Version: September 28, 2007 (debian - 07/07/09)
Section: 1 (Commandes utilisateur)
Sommaire
NAME
perceptualdiff - compare images using a perceptually based image metricSYNOPSIS
perceptualdiff [options] <image1> <image2>DESCRIPTION
This manual page documents briefly the perceptualdiff command.perceptualdiff is a program that compares image1.tif and image2.tif using a perceptually based image metric. Note: Input files can also be in the PNG format
OPTIONS
A summary of options is included below.- -verbose
- Turns on verbose mode
- -fov <deg>
- Field of view in degrees (0.1 to 89.9)
- -threshold <p>
- #pixels p below which differences are ignored
- -gamma <g>
- Value to convert rgb into linear space (default 2.2)
- -luminance <l>
White luminance (default 100.0 cdm^-2)- -output <o.ppm>
Write difference to the file o.ppm
AUTHOR
perceptualdiff was written by Yangli Hector Yee <yeehector@users.sourceforge.net>This manual page was written by Jeff Breidenbach <jab@debian.org>, for the Debian project (but may be used by others).
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