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Sequence families sets constructed from quadratic congruence codes for use in secure spread spectrum watermarking for multimedia.

C. S. LimSaman S. AbeysekeraS. K. Amarasinghe
Published in: ICASSP (2001)
Keyphrases
  • multimedia
  • spread spectrum watermarking
  • metadata
  • multimedia data
  • image processing
  • digital libraries
  • pattern recognition
  • signal processing
  • video data
  • multimedia content
  • error correction
  • digital video