A QR-code based audio watermarking technique for tracing traitors

Faten Chaabane 1 Maha Charfeddine 1 William Puech 2 Chokri Ben-Amar 1
2 ICAR - Image & Interaction
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
Abstract : Handling a great number of users and surviving different types of attacks present fundamental challenges of the major- ity fingerprinting systems in the tracing traitor field. In this paper, the proposed technique consists in embedding a finger- print, a QR code in the audio stream extracted from the media release. Using the QR-code provides several advantages as supporting a large amount of information in a compact for- mat end damage resiliency. This paper proposes to encode the identifier which is a parallel concatenation of two tracing codes: Boneh Shaw and Tardos codes into QR-code. The proposed approach should not only improve the two-stage tracing strategy by reducing the complexity computation, but also enhance the secure side of the proposed technique by the preprocessing treatment before generating the QR-code.
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Faten Chaabane, Maha Charfeddine, William Puech, Chokri Ben-Amar. A QR-code based audio watermarking technique for tracing traitors. EUSIPCO: European Signal Processing Conference, Aug 2015, Nice, France. pp.51-55, ⟨10.1109/EUSIPCO.2015.7362343⟩. ⟨lirmm-01379560⟩

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