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| 用小波变换和混沌映射实现图像置乱 | |
| 引用本文： | 邱炳城,姚仰新,陈银冬.用小波变换和混沌映射实现图像置乱[J].计算机工程与应用,2009,45(11):102-103. |
| 作者姓名： | 邱炳城 姚仰新 陈银冬 |
| 作者单位： | 1. 广东理工职业学院,广州,510091 2. 华南理工大学,广州,510640 3. 复旦大学,上海,200433 |
| 摘 要： | 提出了一种基于小波变换和混沌映射的数字图像置乱加密算法。先对数字图像进行小波分解,再对变换后的小波系数进行混沌置乱,最后对置乱后的系数矩阵进行逆小波变换得到加密图像。实验表明,该算法具有令人满意的安全性和置乱效果。 |
| 关 键 词： | 图像加密 小波变换 混沌映射 |
| 收稿时间： | 2008-2-25 |
| 修稿时间： | 2008-5-15 |
Image scrambling with wavelet transform and chaos map |
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| QIU Bing-cheng,YAO Yang-xin,CHEN Yin-dong.Image scrambling with wavelet transform and chaos map[J].Computer Engineering and Applications,2009,45(11):102-103. | |
| Authors: | QIU Bing-cheng YAO Yang-xin CHEN Yin-dong |
| Affiliation: | QIU Bing-cheng1,YAO Yang-xin2,CHEN Yin-dong31.Guangdong Polytechnic Institute,Guangzhou 510091,China 2.South China University of Technology,Guangzhou 510640,China 3.Fudan University,Shanghai 200433,China |
| Abstract: | An image scrambling algorithm based on wavelet transform and chaos map is proposed.Firstly,the image is wavelet transformed,and then the wavelet-matrix is scrambled.Finally,the scrambled wavelet-matrix is inv-wavelet transformed to generate the encrypting image.The simulate results are satisfied. |
| Keywords: | image scrambling wavelet transform chaos map |
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