Collusion-secure patchwork embedding for transaction watermarking

Waldemar Berchtold; Sascha Zmudzinski; Marcel Schäfer; Martin Steinebach

doi:10.1117/12.872584

10 February 2011 Collusion-secure patchwork embedding for transaction watermarking

Waldemar Berchtold, Sascha Zmudzinski, Marcel Schäfer, Martin Steinebach

Proceedings Volume 7880, Media Watermarking, Security, and Forensics III; 78800V (2011) https://doi.org/10.1117/12.872584
Event: IS&T/SPIE Electronic Imaging, 2011, San Francisco Airport, California, United States

Abstract

Digital transaction watermarking today is a widely accepted mechanism to trace back copyright infringements. Here, copies of a work are individualized by embedding user-specific watermark messages. One major threat on transaction watermarking are collusion attacks. Here, multiple individualized copies of the work are compared and/or combined to attack the integrity or availability of the embedded watermark message. In this work, we show how Patchwork embedding can be adapted to provide a maximum of resistance against collusion attacks at reduced payload and improved robustness.

Citation Download Citation

Waldemar Berchtold, Sascha Zmudzinski, Marcel Schäfer, and Martin Steinebach "Collusion-secure patchwork embedding for transaction watermarking", Proc. SPIE 7880, Media Watermarking, Security, and Forensics III, 78800V (10 February 2011); https://doi.org/10.1117/12.872584

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