Fast detection of Tardos codes with Boneh-Shaw types

Mathieu Desoubeaux; Gaëtan Le Guelvouit; William Puech

doi:10.1117/12.912057

9 February 2012 Fast detection of Tardos codes with Boneh-Shaw types

Mathieu Desoubeaux, Gaëtan Le Guelvouit, William Puech

Proceedings Volume 8303, Media Watermarking, Security, and Forensics 2012; 83030P (2012) https://doi.org/10.1117/12.912057
Event: IS&T/SPIE Electronic Imaging, 2012, Burlingame, California, United States

Abstract

This paper presents a traitor tracing method dedicated to video content distribution. It is based on a two-level approach with probabilistic traitor tracing codes. Codes are concatenated and decoded successively, the first one is used to decrease the decoding complexity and the second to accuse users. We use the well-known Tardos fingerprinting code for the accusation process and a Boneh-Shaw code with replication scheme to reduce the search space of users. This method ensures a decrease of the computational time compared to classical Tardos codes decoding. We present a method to select suspect groups of users and compare it to a more complex two-level Tardos code which follows the same construction.

Citation Download Citation

Mathieu Desoubeaux, Gaëtan Le Guelvouit, and William Puech "Fast detection of Tardos codes with Boneh-Shaw types", Proc. SPIE 8303, Media Watermarking, Security, and Forensics 2012, 83030P (9 February 2012); https://doi.org/10.1117/12.912057

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