SYNOPSISperceptualdiff <image1> <image2> [options]
DESCRIPTIONThis 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
OPTIONSA summary of options is included below.
- 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
AUTHORperceptualdiff was written by Yangli Hector Yee <[email protected]>
This manual page was written by Jeff Breidenbach <[email protected]>, for the Debian project (but may be used by others).