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基于感知器模型的混沌图像加密算法

Chaotic encryption of image based on preceptron model
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摘要 提出了基于感知器模型的高维混沌加密系统,描述了高维的Lorenz混沌系统和神经网络中感知器模型,利用高维混沌映射生成的伪随机序列,动态的调整单层感知器中各个神经元的权重,从而实现了混沌图像将加密,并对算法进行数字仿真和安全性分析。理论分析和实验结果表明,该算法具有较高的安全性,对已有的攻击方法有较强的抵抗能力。 A high dimension chaotic encryption based on perceptron model is proposed. Firstly, the excellent properties of high dimension chaotic systems Lorenz and the perceptron model of neural network are portraied. Secondly, in order to encrypt the image, it uses the random sequence to change the weighing of every neuron of the single perceptron model. The experimental results show that, this algorithm has high security and has strong ability of resistance to common attack.
出处 《计算机工程与设计》 CSCD 北大核心 2010年第9期2105-2107,2111,共4页 Computer Engineering and Design
基金 国家自然科学基金项目(60573172 60973152) 辽宁省自然科学基金项目(20082165)
关键词 高维混沌系统 混沌加密 伪随机序列 神经元 感知机 high dimension system chaotic encryption pseudo-random sequence nerve cell preceptron
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