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Region-Based Watermarking by Distribution Adjustment

  • Gareth Brisbane
  • Rei Safavi-Naini
  • Philip Ogunbona
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1975)

Abstract

Watermarking typically involves adding one sequence to another to produce a new sequence containing hidden information. This method is based on modifying a distribution, obtained via segmentation, to hide information, thus allowing subsets of the distribution to still potentially reveal the watermark. We use vector quantization to segment a colour image and then shift each distribution by a random amount. The result is that we can detect a watermark without pre-processing because only comparisons between distributions are needed.

Keywords

Original Image Kolmogorov Smirnov Test Watermark Image Vector Quantization Multimedia Content 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • Gareth Brisbane
    • 1
  • Rei Safavi-Naini
    • 1
  • Philip Ogunbona
    • 2
  1. 1.School of IT and CSUniversity of WollongongWollongongAustralia
  2. 2.Digital Technology Research LabMotorola Australian Research CentreWollongongAustralia

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