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).
September 28, 2007