基于四维记忆混沌系统的失配同步及其在图像加密中的应用

IF 1.6 4区物理与天体物理 Q3 PHYSICS, CONDENSED MATTER

The European Physical Journal B Pub Date : 2025-04-21 DOI:10.1140/epjb/s10051-025-00913-6

Jie Zhang, Jiliang Lv, Nana Cheng, Xiaodong Wei, Liu Yang

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引用次数: 0

摘要

提出了一种四维忆阻混沌系统，并用常规方法分析了其动力学特性。在该系统中，还发现了由参数控制的尖峰数的瞬态混沌和突发振荡。本文还设计了物理电路和数字电路来证实混沌系统的存在。此外，还介绍了一种失配同步系统，并利用失配同步原理实现了同步控制。将错配同步与RNA操作相结合，开发了一种图像加密算法。分析表明，所提出的图像加密方法具有较好的性能。图形抽象

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Mismatch synchronization based on 4D memristive chaotic system and its application in image encryption

A four-dimensional memristive chaotic system is proposed, and its dynamical characteristics are analyzed through conventional methods. In this system, transient chaos and bursting oscillations of the number of spikes controlled by parameters are also found. This paper also designs physical circuits and digital circuits to confirm the existence of chaotic systems. Additionally, a mismatch synchronization system is introduced, and the synchronization control is achieved using mismatch synchronization principles. Mismatch synchronization is integrated with RNA operation to develop an image encryption algorithm. The analyses show that the image encryption method proposed exhibits better performance.