This algorithm utilizes a 5D memristor chaotic system for image encryption, indicating enhanced security and synchronization.
A color image encryption algorithm based on a novel 5D memristor chaotic system is proposed to prevent image information leakage during transmission. Firstly, By adding two memristors, Chua's circuit is improved to a 5D memristor chaotic system. The systematic examination of the bifurcation diagram, Lyapunov exponent spectrum, and Poincaré section indicates that the system displays chaotic dynamics. Secondly, based on the intermittent control strategy, a Predefined-time Synchronization Control (PTSC) scheme is designed for the 5D chaotic system, which can realize fast and stable synchronization control. Thirdly, by using the above chaotic sequences, a cross-plane scrambling technique is employed to destroy the correlation. Subsequently, by combining this technology with DNA coding, a color image encryption scheme is designed. Finally, security analysis and comparative experiments demonstrate that the proposed encryption strategy can effectively weaken the correlation between pixels across different color channels, while resisting noise and cropping attacks.
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Li et al. (2025) studied this question.
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