Trace a leaked document photo back to the exact copy it came from. Invisible per-copy fingerprints for printed documents, decoded blind from a phone photo.

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document-forensics exam-security python steganography traitor-tracing watermarking
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Trace a leaked document photo back to the exact copy it came from. Invisible per-copy fingerprints for printed documents, decoded blind from a phone photo.

Python
#document-forensics#exam-security#python#steganography#traitor-tracing#watermarking