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Geometrically invariant watermarking: synchronization through circular Hough transform.

Hae-Yeoun LeeChoong-Hoon LeeHeung-Kyu Lee
Published in: Multim. Tools Appl. (2007)
Keyphrases
  • circular hough transform
  • optic disc
  • log gabor filters
  • watermarking scheme
  • watermarking algorithm
  • image quality
  • spread spectrum
  • iris segmentation