Improvement of Detection Performance in DWT-Based Image Watermarking under Specified False Positive Probability
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概要
- 論文の詳細を見る
For copyright protection, a watermark signal is embedded in host images with a secret key, and a correlation is applied to judge the presence of watermark signal in the watermark detection. This paper treats a discrete wavelet transform (DWT)-based image watermarking method under specified false positive probability. We propose a new watermarking method to improve the detection performance by using not only positive correlation but also negative correlation. Also we present a statistical analysis for the detection performance with taking into account the false positive probability and prove the effectiveness of the proposed method. By using some experimental results, we verify the statistical analysis and show this method serves to improve the robustness against some attacks.
- (社)電子情報通信学会の論文
- 2011-02-01
著者
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Muneyasu Mitsuji
Faculty Of Engineering Frontier Science Center Kansai University
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SAYAMA Kohei
Graduate School of Engineering, Hiroshima University
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HARANO Tomotaka
Graduate School of Engineering, Hiroshima University
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OHNO Shuichi
Graduate School of Engineering, Hiroshima University
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Ohno Shuichi
Graduate School Of Engineering Hiroshima University
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Nakamoto Masayoshi
Graduate School Of Engineering Hiroshima University
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Harano Tomotaka
Graduate School Of Engineering Hiroshima University
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Sayama Kohei
Graduate School Of Engineering Hiroshima University
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MUNEYASU Mitsuji
Faculty of Engineering and Science, Kansai University
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