| 一种基于数字混沌的图像水印算法 |
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| 引用本文： | 徐国保,赵桂艳,周美娟,李昌利.一种基于数字混沌的图像水印算法[J].湛江海洋大学学报,2006,26(4):67-70. |
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| 作者姓名： | 徐国保 赵桂艳 周美娟 李昌利 |
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| 作者单位： | [1]广东海洋大学信息学院,湛江524088 [2]北京科技大学信息工程学院,北京100083 |
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| 基金项目： | 广东海洋大学自然科学研究项目（C04127） |
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| 摘 要： | 从数字水印的安全性角度出发，提出了一种基于logistic数字混沌的图像水印算法。考虑到logistic混沌序列具有易于产生、数量极多和保密性好等特点，因此本水印算法的嵌入水印信息使用了混沌序列。水印嵌入和提取过程均在小波域中实现。实验结果表明该水印算法具有好的安全性和较强的抗噪声、抗压缩鲁棒性。
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| 关 键 词： | 数字水印 logistic 数字混沌 小波变换 |
| 收稿时间： | 2006-03-03 |
Image Watermarking Algorithm Based on Digital Chaos |
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| XU Guo-bao, ZHAO Gui-yan, ZHOU Mei-juan, LI Chang-li.Image Watermarking Algorithm Based on Digital Chaos[J].Journal of Zhanjiang Ocean University,2006,26(4):67-70. |
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| Authors: | XU Guo-bao ZHAO Gui-yan ZHOU Mei-juan LI Chang-li |
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| Abstract: | Due to security of digital watermarking, the paper proposes a watermarking algorithm based on logistic digital chaos, which are used in watermarking algorithm as embedded watermarking information for they have many merits, such as easily building, uncountable number, and safety of secrecy. The digital watermarking is done in the wavelet transform domain. Experimental results demonstrate that the watermarking algorithm is very safe and is robust against noise and lossy compression. |
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| Keywords: | digital watermarking logistic digital chaos wavelet transform |
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