I would recommend looking at how hashing of images works (there are special algorithm and concepts for it). Good reference e.g. https://github.com/JohannesBuch

I would recommend looking at how hashing of images works (there are special algorithm and concepts for it). Good reference e.g. https://github.com/JohannesBuchner/imagehash#references https://github.com/JohannesBuchner/imagehash#references