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A Method of Guaranteeing Image-Quality for Quantization-Based Watermarking Using a Nonorthogonal Transformation.

Masaaki FujiyoshiOsamu WatanabeHitoshi Kiya
Published in: IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2005)
Keyphrases
  • image quality
  • computational complexity
  • correlation coefficient
  • quantization error