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Chaotic Digital Image Encryption Algorithm Based on Compressive Sensing

delete2025-12-01
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Xuan Huang *
DOI:10.3103/S0146411625701329delete
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摘要

摘要

En 中文
当前混沌加密算法在数字图像中难以消除邻域像素间的强相关性,且存在抗攻击能力差和效率低等问题。本文提出一种基于压缩感知的混沌数字图像加密算法。该算法通过归一化提取图像的RGB颜色分量,在旋转融合后进行DCT变换,并利用二维离散余弦变换和自适应稀疏压缩感知处理图像信息。通过自适应随机相位编码和压缩感知优化构建混沌加密模型。实验结果表明,无论面对剪切攻击或破坏攻击,该算法均能保持解密图像的高清晰度和一致性,且细节信息有效保留。算法的像素相关性小于0.0125,加密和解密时间均低于549 ms。可见,本研究提出的方法显著提升了图像传输的安全性和处理效率,能够为该领域的技术发展提供一种新的支持。这些贡献对于解决当前图像安全挑战、增强图像加密的复杂性和抗攻击能力具有重要意义,适用于实时视频监控和在线图像传输等高安全应用场景。
Keyword:
compressive sensing
digital image
chaotic encryption algorithm
RGB color component
complex matrix

期刊

Automatic Control and Computer Sciences 封面图
Automatic Control and Computer Sciences
IF:
0.5
论文数:
19
被引数:
548

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