| 基于双伪随机序列码的扩频数字水印算法 |
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| 引用本文： | 王善斌,李同山. 基于双伪随机序列码的扩频数字水印算法[J]. 山东理工大学学报：自然科学版, 2007, 21(2): 36-40 |
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| 作者姓名： | 王善斌 李同山 |
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| 作者单位： | 山东理工大学,计算机科学与技术学院,山东,淄博,255049;山东理工大学,计算机科学与技术学院,山东,淄博,255049 |
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| 摘 要： | 针对目前比较流行的频域(或变换域)水印算法中存在的水印容量不足的问题,提出了基于像素置乱的双伪随机序列扩频水印算法,提高了水印的容量,具有较好的鲁棒性和抗各种攻击的能力.
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| 关 键 词： | 水印容量 像素置乱 双伪随机序列 扩频水印 |
| 文章编号： | 24311449 |
| 修稿时间： | 2006-06-21 |
A digital watermarking algorithm based on pixel permutation and dual sequence pseudo random noise spread spectrum |
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| WANG Shan-bin,LI Tong-shan. A digital watermarking algorithm based on pixel permutation and dual sequence pseudo random noise spread spectrum[J]. Journal of Shandong University of Technology:Science and Technology, 2007, 21(2): 36-40 |
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| Authors: | WANG Shan-bin LI Tong-shan |
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| Affiliation: | School of Computer Science and Technology, Shandong University of Technology, Zibo 255049, China |
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| Abstract: | In order to solve the problem of the insuffieient watermark capacity in the current algorithm of frequency domain transformation,A digital watermarking algorithm based on pixel permutation and dual sequence pseudo random noise spread spectrum is proposed in this paper.The watermark capacity,robustness and re-attack of the watermark system can be improved greatly by this method. |
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| Keywords: | watermark capacity pixel permutation dual sequence pseudo random noise spread spectrum watermark |
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