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IEICE TRANSACTIONS on Fundamentals

On the Amount of Embedded Information of Watermarking Methods Based on the Parallel Combinatorial Spread Spectrum Scheme

Masaaki FUJIYOSHI, Takaaki HASEGAWA

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Summary :

The maximum amounts of embedded information that is important in practical system design of two watermarking methods based on the parallel combinatorial spread spectrum (PC/SS) scheme are discussed in this paper. One is a private watermarking method proposed in this paper and has a practical strong point to make the quality of the watermarked image to be constant in any images. The other is a public watermarking method that was previously proposed by the authors. Through this study, the minimum number of orthogonal sequences for embedding the required amount of information under the condition that quantization noise is only assumed is found in each watermarking method.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E84-A No.4 pp.941-948
Publication Date
2001/04/01
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Type of Manuscript
Special Section PAPER (Special Section on Fundamentals of Information and Communications)
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