Orthogonal Transformation to Enhance the Security of the Still Image Watermarking System(Digital Signal Processing)
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概要
- 論文の詳細を見る
A watermarking system is secure as long as it satisfies Kerckhoffs principle according to the cryptography. In this letter, two novel techniques named the encrypted orthogonal transformation and its improved scheme as useful preprocessing methods are presented to apply to the watermarking field, which can enhance the security of the watermarking scheme. Compared to discrete cosine transform watermarking algorithms, this method has similar robustness but higher security.
- 社団法人電子情報通信学会の論文
- 2004-04-01
著者
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JIANG Ling-ge
Department of Electronic Engineering, Shanghai Jiaotong University
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HE Chen
Department of Electronic Engineering, Shanghai Jiaotong University
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He C
The Dept. Of Electronic Eng. Shanghai Jiaotong Univ.
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He Chen
Department Of Electronic Engineering Shanghai Jiaotong University
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Feng Guo-rui
The Dept. Of Electronic Eng. Shanghai Jiaotong Univ.
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Feng Guo-rui
Department Of Information Science And Technology Shandong University Of Political Science And Law
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Jiang L‐g
The Dept. Of Electronic Eng. Shanghai Jiaotong Univ.
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Jiang Ling-ge
Department Of Electronic Engineering Shanghai Jiaotong University
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