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Geometric invariant blind image watermarking by invariant Tchebichef moments.
Opt Express. 2007 Mar 5;15(5):2251-61. doi: 10.1364/oe.15.002251.
Opt Express. 2007.
PMID: 19532460
Free article.
Geometric distortion-invariant watermarking based on Tschebycheff transform and dual-channel detection.
Li Z, Gong-Bin Q, Zhen J.
Li Z, et al. Among authors: gong bin q.
Opt Express. 2007 Oct 1;15(20):12922-40. doi: 10.1364/oe.15.012922.
Opt Express. 2007.
PMID: 19550561
Free article.
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