Robust Multi-Watermarking Method Based on Vector Quantization Using Index Transform Function 


Vol. 12,  No. 5, pp. 513-520, Oct.  2005
10.3745/KIPSTB.2005.12.5.513


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  Abstract

In this paper, we propose a robust multi-watermarking method based on vector quantization using an index transform function. In contrast with the conventional watermark embedding methods to embed only one watermark at a time into the original image, we present a method to embed multiple watermarks for copyright protection. The proposed method efficiently enhances the robustness by index transform function which minimizes changes of vector quantization indices against various attacks. Experimental results show that the proposed method has a good robustness against various attacks compared with the conventional multi-watermarking method based on vector quantization.

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[IEEE Style]

S. H. Bae and K. W. Song, "Robust Multi-Watermarking Method Based on Vector Quantization Using Index Transform Function," The KIPS Transactions:PartB , vol. 12, no. 5, pp. 513-520, 2005. DOI: 10.3745/KIPSTB.2005.12.5.513.

[ACM Style]

Sung Ho Bae and Kun Woen Song. 2005. Robust Multi-Watermarking Method Based on Vector Quantization Using Index Transform Function. The KIPS Transactions:PartB , 12, 5, (2005), 513-520. DOI: 10.3745/KIPSTB.2005.12.5.513.

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