06 一个新四维超混沌系统及其在图像加密中的应用

黄迎久;

• 1:内蒙古科技大学工程训练中心

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摘要(Abstract)：

构建了1个新型的四维超混沌系统,通过对其动力学行为的测试和分析,确定该系统具有较高的Lyapunov指数,表明该系统具有更为复杂的混沌属性.在图像加密算法中,结合改进的Z字形变换及图像分块方法,对图像进行两轮次的置换与扩散.经过仿真测试,各项指标系数的测试结果均非常接近理论最佳值,表明图像加密算法具有更强的鲁棒性和安全可靠性,可以充分抵御各种针对性的攻击.

关键词(KeyWords)： 超混沌系统;图像加密;Lyapunov指数;庞加莱截面;ZigZag变换

基金项目(Foundation):

作者(Author): 黄迎久;

Email:

DOI: 10.16559/j.cnki.2095-2295.2021.01.006

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