Talk:Percentage difference between images

examples

Please provide sample inputs and outputs. --DanBron 23:34, 13 November 2008 (UTC)

Any image can be used, open it in Gimp and save it with 2 different jpeg compression ratio.

Then you have img1.jpg and img2.jpg, so call this script this way (followed by its output):

./script.ml img1.jpg img2.jpg

diff: 0.004283 percent

Blue Prawn 00:01, 14 November 2008 (UTC)