New answers tagged data-privacy
0
I don't know if it will give you a practical solution.
But some people have tried to use fully homomorphic encryption to do picture analysis:
https://eprint.iacr.org/2017/1114
1
I think what you are looking for is "Perceptual Hashing".
What I understand from your question is that you need a way for programmatically identifying images even when they have been manipulated beyond human recognition.
Their is a Microsoft project called PhotoDNA. I believe the have a cloud API.
You may also want to look at this Python example
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