Provided by: gmerlin_1.2.0~dfsg+1-5_amd64 

NAME
gmerlin_imgdiff - compare two images
SYNOPSIS
gmerlin_imgdiff <image1> <image2> <output>
DESCRIPTION
gmerlin_imgdiff will calculate the absolute difference between <image1> and <image2> and store the
resulting image into <output>.
The input images should be of the same dimension and format.
gmerlin_imgdiff is part of the Gmerlin suite of media applications.
Gmerlin January 2011 GMERLIN_IMGDIFF(1)