Joint wavelet and spatial transformation for digital watermarking

A new watermarking scheme which incorporates wavelet and spatial transformation has been developed for digital images. This algorithm utilizes the wavelet multiresolutional structure to construct the image frequency components and the chaotic transformation as two dimensional integer vector generato...

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Veröffentlicht in:	IEEE transactions on consumer electronics 2000-02, Vol.46 (1), p.237-245
Hauptverfasser:	Tsai, Min-Jen, Yu, Kuang-Yao, Chen, Yi-Zhang
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Chaos Digital images Digital watermarking Electronics Frequency Image quality Image resolution Robustness Spatial resolution Studies Transformations Watermarking Wavelet Wavelet coefficients Wavelet transforms
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