Simple Collusion-Secure Fingerprinting Schemes for Images

  • Authors:
  • Josep Domingo-Ferrer;Jordi Herrera-Joancomartí

  • Affiliations:
  • -;-

  • Venue:
  • ITCC '00 Proceedings of the The International Conference on Information Technology: Coding and Computing (ITCC'00)
  • Year:
  • 2000

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Abstract

This paper describes a robust watermarking algorithm and a collusion-secure fingerprinting scheme based on it. Watermarking robustness is obtained by using the JPEG algorithm to decide mark location and magnitude; the proposed algorithm supports multiple marking. The properties of dual binary Hamming codes are exploited to obtain a fingerprinting scheme secure against collusion of two buyers. The fingerprinting construction proposed here is simpler than previous collusion-secure proposals.