基于改进一维逻辑正弦混沌映射系统的图像加密算法
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TP309.7

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河南省科技攻关项目(212102210407,192102210133);河南省重点研发与推广专项(212102210425, 202102210182)。


Research on Image Encryption Algorithm Based on Improved One-dimensional Logistic-Sine Chaotic Mapping System
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    摘要:

    针对一维混沌映射Logistic映射和Sine映射参数范围有限且混沌序列分布不均匀等问题,本文提出了一种改进的一维逻辑正弦混沌系统,并在此基础上提出了一种对明文敏感度较高的图像加密算法。首先,结合一维混沌映射Logistic映射和Sine映射形成一种改进一维逻辑正弦混沌系统(1-LSCMS)。其次,利用该系统生成的较为复杂的混沌序列对图像像素的位置及大小进行置换。最后,对置换后的图像进行扩散。实验结果表明,该算法具有较好的加密效果,密钥空间大且敏感性较强,可以应用到图像加密安全领域。

    Abstract:

    Aiming at the problems of one-dimensional chaotic mapping Logistic mapping and Sine mapping with limited parameter ranges and uneven distribution of chaotic sequences, this paper proposes an improved one-dimensional Logistic-Sine chaotic system, and on this basis, an image encryption algorithm with high sensitivity to plaintext is proposed. Firstly, combine one-dimensional chaotic mapping Logistic mapping and Sine mapping to form an improved one-dimensional Logistic-Sine chaotic system (1-LSCMS). Secondly, the position and size of the image pixels are replaced by the more complicated chaotic sequence generated by the system. Finally, the image after replacement is diffused. Experimental results show that the algorithm has a good encryption effect, large key space and strong sensitivity, and can be applied to the field of image encryption security.

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邹东尧,李明,李军,等. 基于改进一维逻辑正弦混沌映射系统的图像加密算法[J]. 科学技术与工程, 2021, 21(28): 12175-12184.
Zou Dongyao, Li Ming, Li Jun, et al. Research on Image Encryption Algorithm Based on Improved One-dimensional Logistic-Sine Chaotic Mapping System[J]. Science Technology and Engineering,2021,21(28):12175-12184.

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历史
  • 收稿日期:2021-06-10
  • 最后修改日期:2021-07-20
  • 录用日期:2021-06-23
  • 在线发布日期: 2021-09-29
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