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基于混沌序列加权抽样和排序变换的图像置乱

, PP. 67-72

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Abstract:

为增强网络中传输的数字图像信息的安全性,对一类典型的基于混沌排序图像置乱算法——Ye算法进行了研究,给出应用间隔抽样混沌序列置乱图像可以提高混沌排序置乱算法置乱度这一性质,并依据近似熵理论给出其提升的依据.为增加图像置乱算法的密钥空间,结合Shannon加权保密思想,设计了基于加权抽样混沌序列排序图像置乱算法.结果表明,该方法密钥空间大,置乱强度高,抗重构攻击.

References

[1]  Fridrich J.Symmetric ciphers based on two-dimensional chaotic maps[J].International Journal of Bifurcation and Chaos,1998,8(6):1259-1284
[2]  Sun Fuyan,Liu Shutang,Lü Zongwang.Image encryption using high-dimension chaotic system[J].Chinese Physics,2007,16(12):3616-3623
[3]  曹光辉,胡凯,佟维.基于Logistic均匀分布图像置乱方法[J].物理学报,2011,60(11):110508-8 Cao Guanghui, Hu Kai, Tong Wei.Logistic uniform distribution based image scrambling [J].Acta Physica Sinica, 2011, 60(11):110508-8(in Chinese)
[4]  Ye Gongdong.Scrambling encryption algorithm of pixel bit based on chaos map[J].Pattern Recognition Letters,2010,31(5): 347- 354
[5]  陈燕梅,张胜元.基于交叉熵的数字图像置乱程度评价方法[J].中国图象图形学报,2007,12(6):997-1001 Chen Yanmei,Zhang Shengyuan.Digital image scrambling degree evaluation method based on cross entropy[J].Journal of Image and Graphics,2007,12(6):997-1001(in Chinese)
[6]  Shannon C E.Communication theory of secrecy systems[J].Bell System Technical Journal,1949,28:656-715
[7]  李鹤,杨周,张一民,等.基于径向基神经网络预测的混沌时间序列嵌入维数估计方法[J].物理学报,2011,60(7):070502-6 Li He,Yang Zhou,Zhang Yimin,et al.Methodology of estimating the embedding dimension in chaos time series based on the prediction performance of radial basis function neural networks[J].Acta Physica Sinica,2011,60(7):070502-6(in Chinese)
[8]  Barahona M,Poon G S.Detection of nonlinear dynamics in short noisy time series[J].Nature,1996,381:215-217

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