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Is there any software that would let me diff entire folders of similar images .For eg folder A would have img1,img2,img3 ....... folder B would have img1,img2,img3 ....I want this output in another folder with just the diff images in there .

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Image comparison is potentially a fairly broad area. Are you looking for exact or approximate matches? Should the filetypes be the same or are you just looking at pixel data? Do the matches need to be scale and rotation invariant? Or is it enough that the image files have the same checksum? – Andrew Walker Dec 21 '11 at 0:17
I am just looking for a difference in pixels.The corresponding images are largely expected to be the same. – Manish Dec 21 '11 at 0:51
You might want to look here:… – gentlesea Jun 26 '12 at 12:35

Check perhaps through Terminal it would allow you batch processing.

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Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. – soandos Jul 16 '12 at 3:36

use easy duplicate finder you can specify the folders to scan, it shows you files that it thinks are duplicates, selecting them allows you to see the photo and compare. you can then select the duplication listed by the software and trash them.

I was looking for the same and found my answer in that software.

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