A digital watermarking algorithm based on adaptive selection of frequency-band

Zhong Hua; Jiao Licheng

Volume 25 Issue 3

Mar. 2003

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Article Navigation > Journal of Electronics & Information Technology > 2003 > 25(3): 289-294

Zhong Hua, Jiao Licheng. A digital watermarking algorithm based on adaptive selection of frequency-band[J]. Journal of Electronics & Information Technology, 2003, 25(3): 289-294.

Citation:

Zhong Hua, Jiao Licheng. A digital watermarking algorithm based on adaptive selection of frequency-band[J]. Journal of Electronics & Information Technology, 2003, 25(3): 289-294.

Zhong Hua, Jiao Licheng. A digital watermarking algorithm based on adaptive selection of frequency-band[J]. Journal of Electronics & Information Technology, 2003, 25(3): 289-294.

Citation:

Zhong Hua, Jiao Licheng. A digital watermarking algorithm based on adaptive selection of frequency-band[J]. Journal of Electronics & Information Technology, 2003, 25(3): 289-294.

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A digital watermarking algorithm based on adaptive selection of frequency-band

Received Date: 2001-08-14
Rev Recd Date: 2002-03-08
Publish Date: 2003-03-19

Abstract

Abstract

How to select the hidden area for watermarking is an important issue in the design of watermarking algorithm. In this paper an adaptive DCT watermarking algorithm is proposed, in which the hidden area is selected according to human visual system model and local characteristics of image. Thus robustness and imperceptibility could be well balanced. Experimental results demonstrate that this algorithm is effective, and invisible watermark is robust against many kinds of image processing such as additive white Gaussian noise, JPEG compression, cropping, median filtering and resizing.

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References(1)

References

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