| 一种基于混沌序列控制的3D cat映射加密算法 |
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| 引用本文： | 叶瑞松,郗坤洪. 一种基于混沌序列控制的3D cat映射加密算法[J]. 汕头大学学报(自然科学版), 2007, 22(2): 64-70 |
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| 作者姓名： | 叶瑞松 郗坤洪 |
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| 作者单位： | 汕头大学数学系,广东,汕头,515063 |
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| 摘 要： | 讨论并比较了3D cat映射与二维Arnold映射的差别,在此基础上改进了3D cat映射变换置乱方法,并利用复合混沌控制序列对像素灰度进行变换,从而实现图像像素位置和灰度值同时改变的加密效果.结果表明,这种加密方法具有较好的有效性.
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| 关 键 词： | 3D cat映射 Arnold 置乱度 复合混沌序列 |
| 文章编号： | 1001-4217（2007）02-0064-07 |
| 收稿时间： | 2007-01-15 |
| 修稿时间： | 2007-01-15 |
An Image Encryption Method Based on Chaotic Control Sequences and 3D Cat Maps |
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| YE Rui-song,XI Kun-hong. An Image Encryption Method Based on Chaotic Control Sequences and 3D Cat Maps[J]. Journal of Shantou University(Natural Science Edition), 2007, 22(2): 64-70 |
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| Authors: | YE Rui-song XI Kun-hong |
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| Affiliation: | Department of Mathematics, Shantou University, Shantou 515063, Guangdong, China |
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| Abstract: | The difference between 3D cat maps and Arnold transformation is discussed in this paper.The 3D cat maps to scramble pixels' position are improved.The composed chaotic control sequences to change pixels' gray-level is utilized.The experimental results indicate that good encryption effects can be obtained. |
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| Keywords: | Arnold |
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