Research on Digital Watermarking Algorithm Based on Discrete Wavelet Transform and Singular Value Decomposition

Yan Yu Wang

doi:10.4028/www.scientific.net/AMM.713-715.1843

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 713-715Research on Digital Watermarking Algorithm Based...

Research on Digital Watermarking Algorithm Based on Discrete Wavelet Transform and Singular Value Decomposition

Abstract:

Digital watermarking technology has become an important means of integrity and respect for people's authenticity, as well as users of copyright and intellectual property security and other interests such as the protection of digital works. In this paper, we proposed a watermarking algorithm based on discrete wavelet transform (DWT) of image and singular valued composition (SVD). The original image is decomposed with DWT,the watermarking image is decomposed with SVD after chaotic scrambling,and then the singular values of watermarking are embedded into some coefficients of decomposed original image. In this algorithm, after decomposing the original host image into four bands, we apply the SVD to watermark image,and modify DWT coefficients of the host image with the singular values of the watermark image. The outstanding features of the proposed algorithm are that it provides larger watermarking capacity and is more robust than others.

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Periodical:

Applied Mechanics and Materials (Volumes 713-715)

Pages:

1843-1846

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.713-715.1843

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Online since:

January 2015

Authors:

Yan Yu Wang*

Keywords:

Discrete Wavelet Transform, Singular Value Decomposition, Watermarking Algorithm

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References

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