一种多翼混沌系统的电路设计及在图像加密中的应用
首发时间:2023-06-26
摘要:通过理论计算和模拟仿真,提出了一种四维六翼混沌系统结合DNA算法的图像加密方法。该系统具有丰富的动力学特性,重点进行系统李雅普诺夫指数、分岔图、功率谱图及平衡点稳定性等关键参数计算分析。其次,搭建了仿真试验电路,并应用Multisim14软件进行了模拟分析,结果显示所提出的混沌系统电路具备良好的混沌动力学能力,以及电路精简、实用等特点。此外,主要从3个方面,包括信息熵、灰度直方图以及相邻像素相关性进行了计算,分析该方法在图像加密方面的作用,结果表明,其保密安全性能较高。
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The circuit design of a multi-wing chaotic system and its application
Abstract:Through theoretical calculation and simulation, an image encryption method of six-wing chaotic system combined with DNA algorithm is proposed.The system has rich dynamic characteristics, and the key parameters such as Lyapunov index, bifurcation diagram, power spectrum diagram and stability of equilibrium point are calculated and analyzed.Secondly, a simulation test circuit is built, and the simulation analysis is carried out by using Multisim14 software. The results show that the proposed chaotic system circuit has good chaotic dynamics capability, and the circuit is simple and practical.In addition, three aspects, including information entropy, gray histogram and correlation of adjacent pixels, are calculated to analyze the function of this method in image encryption, and the results show that it has high security performance.
Keywords: six-wing chaotic system circuit simulation image information entropy
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