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A Blind Watermarking Method Based on Space Reconstruction

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Abstract:

Watermarking embeds information into a digital signal like audio, image, or video. Reversible image watermarking can restore the original image without any distortion after the hidden data is extracted. In this paper, we propose a blind watermarking method based on space reconstruction. Through calculating the statistical property of the digital image, we are able to separately obtain the feature spaces. Passing spaces decomposing and reconstructing of the feature spaces, constructing the embedding matrix, we obtain that the robustness of the approach lies in hiding a watermark in the subspace that is the least susceptible to potential modification; and realize the optimization statistics of the embedding watermark. Through analysis and constraint the conditions of subspace, the algorithm we proposed can obtain a high detection probability and security, a low false alarm probability. The robustness of the watermarking method is demonstrated by a kind of attacks through computer simulation.

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Periodical:

Applied Mechanics and Materials (Volumes 444-445)

Pages:

712-716

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.444-445.712

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Online since:

October 2013

Authors:

Xiu Hu Tan

Keywords:

Digital Watermark, Robustness, Security, Space Reconstruction

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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