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Repozytorium publikacji
Politechniki Gdańskiej

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Receiver-side fingerprinting method for color images based on a series of quaternion rotations

The proposed method is a new Joint Fingerprinting and Decryption (JFD) method that uses a cipher based on quaternion rotation to encrypt color images that are then sent to all users via multicast transmission. Individual encryption keys depend on the users’ fingerprints, so that a unique fingerprint is introduced into the image during decryption for each decryption key. A simulation-based research was conducted to examine the method’s robustness against collusion attacks.

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