This is the command perceptualdiff that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
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
Use perceptualdiff online using onworks.net services
