| 基于混沌加密的小波包盲水印算法 |
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| 引用本文： | 姜燕,金聪.基于混沌加密的小波包盲水印算法[J].武汉大学学报(理学版),2007,53(3):305-308. |
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| 作者姓名： | 姜燕 金聪 |
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| 作者单位： | 华中师范大学,计算机科学系,湖北,武汉,430079 |
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| 基金项目： | 国家自然科学基金;湖北省教育厅资助项目;国家重点实验室基金 |
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| 摘 要： | 利用混沌系统的特点调制了两种不同的混沌序列,分别用于水印加密和子图像的抽取.对子图像进行小波包分解,通过修改小波包的系数来嵌入数字水印.水印的提取不需要原始图像,实现了盲提取.实验结果表明,该算法对于常见的JPEG压缩、高斯噪声,裁剪和缩放等攻击具有较好的鲁棒性.
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| 关 键 词： | 版权保护 小波包 混沌序列 子图像 模运算 |
| 文章编号： | 1671-8836（2007）03-0305-04 |
| 修稿时间： | 2006-11-30 |
A Wavelet Packet Blind Watermarking Algorithm Based on Chaos Encryption |
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| JIANG Yan,JIN Cong.A Wavelet Packet Blind Watermarking Algorithm Based on Chaos Encryption[J].JOurnal of Wuhan University:Natural Science Edition,2007,53(3):305-308. |
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| Authors: | JIANG Yan JIN Cong |
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| Institution: | Department of Computer Science, Huazhong Normal University, Wuhan 430079, Hubei, China |
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| Abstract: | Two chaotic sequences are modulated according characters of chaotic system,using for watermark encryption and sub image extraction.Do wavelet packet decomposition and embed watermark by modifying wavelet packet coefficients.Waternxark extraction process doesn't need original image,realize a blind extraction.The experiment results demonstrated that the algorithm is high robust against for various attacks such as JPEG compression,Gaussian noise,cutting and scaling and so on. |
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| Keywords: | copyright protection wavelet packet chaotic sequence sub image module arithmetic |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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