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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.