Watermarking Digital 3-D Volumes in the Discrete Fourier Transform Domain

  • Authors:
  • V. Solachidis;I. Pitas

  • Affiliations:
  • Aristotle Univ. of Thessaloniki, Thessaloniki;-

  • Venue:
  • IEEE Transactions on Multimedia
  • Year:
  • 2007

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Abstract

In this paper, a robust blind watermarking method for 3-D volumes is presented. A bivalued watermark is embedded in the Fourier transform magnitude of the 3-D volume. The Fourier domain has been selected because of its scaling and rotation invariance. Furthermore, in order to decrease the detection time, a special symmetry of the watermark is exploited. The proposed method is proven to be resistant to 3-D lowpass filtering, noise addition, scaling, translation, cropping and rotation. Experimental results prove the robustness of this method against the above-mentioned attacks.