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This question already has an answer here:

I have many duplicate photos in a folder. How can I sort the pictures in a folder by similarity? i.e., sorting not based on the file name or date, but based on similarity of image?

marked as duplicate by Itai, inkista, mattdm, MikeW, John Cavan Sep 15 '15 at 2:21

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  • Similarity of what? The image? – inkista Sep 13 '15 at 18:19
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    Is this question a duplicate? photo.stackexchange.com/q/6326/4892 – dpollitt Sep 13 '15 at 18:40
  • This is an interesting - perhaps not even photography-related - question and I don't recall seeing a stand-along solution although this is done as part of many algorithms. modern video compression is all about finding similarity and encoding images in terms of contents from one or more reference frames. – Itai Sep 13 '15 at 19:47
  • Are these exact duplicates? (pixel per pixel) – null Sep 13 '15 at 20:01
  • yes these are exact duplicates pixel per pixel.... only the file name is different. – Green Sep 14 '15 at 4:22
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There is not a way to sort by picture similarity in most file browsers that I know of; and I have used many. It sounds like you need to look for a program that is designed to find duplicate pictures. There are many out there and what you use depends on your hardware/software setup. I have found that they are not 100% accurate so I usually use more than one program to find duplicates and then I still try and go through and see if I can find any. I use windows and have used auslogics duplicate file finder and anti-twin.

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Images can be grouped by similarity but can't be sorted.

Some advanced programs allows you to specify a similarity degree, and another ones treat as duplicates only 100% identical photos.

Daminion allows you to find 100% similar images (as you requested) but file names and metadata part of your images can be different.

PS. I work at Daminion Software.

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