| 基于Logistic映射的混沌图像加密算法的改进 |
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| 引用本文： | 张爱华,江中勤. 基于Logistic映射的混沌图像加密算法的改进[J]. 南京邮电学院学报(自然科学版), 2009, 0(4): 69-73 |
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| 作者姓名： | 张爱华 江中勤 |
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| 作者单位： | 南京邮电大学理学院,江苏南京210003 |
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| 摘 要： | Logistic映射是一种简单的非线性模型，但却有复杂的动力学性质。文中分析基于Logistic映射的混沌图像加密算法，提出一个改进的基于该算法的加密解密模型，并采用Matlab仿真实现，其结果与传统Logistic混沌序列加密算法相比，在图像不失真的情况下大大增强图像加密的安全性。
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| 关 键 词： | Logistic映射 混沌加密 混沌序列 数字图像 |
Improving for Chaotic Image Encryption Algorithm Based on Logistic Mapping |
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| ZHANG Ai-hua,JIANG Zhong-qin. Improving for Chaotic Image Encryption Algorithm Based on Logistic Mapping[J]. Journal of Nanjing University of Posts and Telecommunications(Natural Science), 2009, 0(4): 69-73 |
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| Authors: | ZHANG Ai-hua JIANG Zhong-qin |
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| Affiliation: | ( College of Science, Nanjing University of Posts and Telecommunications, Nanjing 210003, China) |
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| Abstract: | Logistic map is a simple non-linear model, but it has complex dynamics. This paper analyzes Logistic chaotic image encryption algorithm, and proposes an improved encryption and decryption model based on the algorithm. It is shown by Matlab simulations that the proposed algorithm greatly enhances the security of image encryption without image distortion comparing with the traditional Logistic chaotic encryption algorithm. |
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| Keywords: | Logistic map chaos encryption chaotic sequences digital image |
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