| 一种基于TLM超混沌细胞神经网络图像加密新算法 |
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| 引用本文： | 底晓强,母一宁,李锦青,杨华民.一种基于TLM超混沌细胞神经网络图像加密新算法[J].红外与激光工程,2014,43(12):4170-4176. |
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| 作者姓名： | 底晓强 母一宁 李锦青 杨华民 |
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| 作者单位： | 1.长春理工大学计算机科学与技术学院,吉林长春130022 |
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| 基金项目： | 吉林省科技厅发展计划项目 |
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| 摘 要： | 混沌对初值敏感的特性使得它适合于数据加密。以4 阶CNN 模型为基础,提出了一种新的超混沌细胞神经网络图像加密算法。算法分为置乱和扩散二个阶段,复合混沌映射用于生成置乱阶段控制参数,用以置乱图像行列之间的高度互相关像素。在扩散阶段,使用不同初始状态和参数的复合混沌映射生成高阶混沌细胞神经网络的初始条件,以生成扩散阶段的密钥流。算法的已知明文和选择明文攻击、密钥空间和直方图的仿真实验均取得了良好的结果。与其他相关算法相比,该算法具有密钥敏感性和抗攻击性强的优点,适用于图像加密。
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| 关 键 词： | 超混沌 细胞神经网络 复合混沌映射 图像加密 |
| 收稿时间： | 2014-04-10 |
Novel image encryption algorithm based TLM hyperchaotic cellular neural network |
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| Di Xiaoqiang,Mu Yining,Li Jinqing,Yang Huamin.Novel image encryption algorithm based TLM hyperchaotic cellular neural network[J].Infrared and Laser Engineering,2014,43(12):4170-4176. |
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| Authors: | Di Xiaoqiang Mu Yining Li Jinqing Yang Huamin |
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| Affiliation: | 1.School of Computer Science and Technology,Changchun University of Science and Technology,Changchun 130022,China |
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| Abstract: | Since chaos is sensitive for initial values, it is very suitable for data encryption. An image encryption algorithm based on hyper-chaotic control parameters and mixed scrambling diffusion structure of higher -order chaotic system was presented. The encryption algorithm included scrambling step and diffusion step. In the scrambling step, the composite chaotic map was used to generate the alignment phase control parameters and scramble for the high-level image cross -correlation between the adjacent pixels. In the diffusion step, the composite chaotic map with the different initial states and parameters was used to generate the initial conditions for hyper-chaotic cellular neural networks in order to generate the key stream. This method was evaluated by known plaintext attack and chosen plaintext attack, key space, image histogram, and simulations show good results. Compared with several other related algorithms, it has better anti -aggressive and key sensitivity is high. It can be applied to the image encryption. |
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| Keywords: | hyper- chaos cellular neural network composited chaotic mapping image encryption |
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