Informed embedding for multi-bit watermarks

  • Authors:
  • Matt L. Miller;Gwenaël J. Doërr;Ingemar J. Cox

  • Affiliations:
  • NEC Research Institute, Princeton, NJ;Eurécom Institute, Sophia-Antipolis, France;NEC Research Institute, Princeton, NJ

  • Venue:
  • IWDW'02 Proceedings of the 1st international conference on Digital watermarking
  • Year:
  • 2002

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Abstract

This paper reviews recent research on information-theoretic aspects of information hiding. Emphasis is placed on applications requiring high payload (e.g., covert communications). Information hiding may be viewed as a game between two teams (embedder/decoder vs. attacker), and optimal information-embedding and attack strategies may be developed in this context. This paper focuses on several such strategies, including a framework for developing near-optimal codes and universal decoders. The suboptimality of spread-spectrum strategies follows from the analysis. The theory is applied to image watermarking examples.