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I have a large quantity of photos that I own spread across many sub directories on Windows 8. I wish to find all duplicate images, where the image may be resized, cropped, rotated or a border added around.

A normal MD5 hash check is not suitable because I need it to detect changes.

I would imagine it would create a database of existing images pulling out salient points from the SIFT algo, then compare the input image with this database.

Other than something I'd have to custom write, is there software that would allow me to compare an image to a directory full of images using the SIFT / SURF algo as described above?

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