Download of perceptualdiff-1.1.1-osx.dmg (perceptualdiff-1.1.1-osx.dmg ( external link: SF.net): 979,315 bytes) will begin shortly. If not so, click link on the left.
PerceptualDiff is an image comparison utility that compares two images using a perceptual metric. That is, it uses a computational model of the human visual system to determine if two images are visually different, so minor changes in pixels are ignored.
