table of contents
PERCEPTUALDIFF(1) | General Commands Manual | PERCEPTUALDIFF(1) |
NAME¶
perceptualdiff - compare images using a perceptually based image metric
SYNOPSIS¶
perceptualdiff <image1> <image2> [options]
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 |