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Digital fingerprinting is a technology which aims to embed unique marks with traceability in order to identify users who use their multimedia content for unintended purpose. A cost-efficient attack against digital fingerprinting, known as collusion attack, involves a group of users who combine their fingerprinted content for the purpose of attenuating or removing the fingerprints. In this paper, we...
Understanding the weaknesses and the limitations of existing digital fingerprinting schemes and designing effective collusion attacks play an important role in the development of digital fingerprinting. In this paper, we propose a collusion attack optimization framework for spread-spectrum (SS) fingerprinting. Our framework is based upon the closed-loop feedback control theory. In the framework, we...
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