Legacy ImageMagick Discussions Archive

Thanks for that Fred, great to have a nice one liner. Are you able to assist with understanding the meaning of the output of that command?

Thanks, I was interested to see the way you'd do it more for the experiment than the logic. It was interesting to see the way you combined the commands to achieve my spec; a good imagemagick learning experience :) The logical way was the way I did it myself, and the way I purposely ruled out in my ...

Hi, I have two images. One is a screenshot of a desktop (source image), and the other is a screenshot of the same desktop, but through a remote access window (to-be-compared image). I need to compare the two images and work out what percentage of the image is the same. My issue is that an offset is ...

Thanks Fred! That seems very close to what I need, except there seems to be a constant factor by which the comparison is off. I mocked up two images to test with which are linked below. One is a base of blue (RGB 0, 0, 255) and the other has progressively lighter blue blocks across it. As you can ...

Hi, I'm trying to compare two images. One is a screenshot, and the other is the same screenshot but after being processed by h264. I am currently using compare to show me the pixels that have changed between the two images. The output shows (as expected) in red the differing pixels. I would like the ...