perceptualdiff

Langue: en

Version: September 28, 2007 (debian - 07/07/09)

Section: 1 (Commandes utilisateur)

NAME

perceptualdiff - compare images using a perceptually based image metric

SYNOPSIS

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).