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"Compare" multiple images

Posted: 2012-07-09T08:46:11-07:00
by dunnma
I have a website with thousands of images. I would like to allow someone to upload an image and let them "search" by it returning "matches". Can imagemagick do this? I would need to store something for each of my images, and then compare that with the same something from the search image. Is this a hash, histrogram or something?

Basically is there something I can have imagemagick gather for me that I can store to use for comparison against other images?

Re: "Compare" multiple images

Posted: 2012-07-09T09:49:22-07:00
by fmw42
Anthony has done some extensive analysis, see http://www.imagemagick.org/Usage/compare/#metrics