Technology of Information Security
|
App. Res. of Comp. Printed Article
Vol. 37, 2020 No. 2
530-534

Medical image encryption algorithm in frequency domain base on 2D sine logistic chaotic mapping

Deng Xiaohong1
Liang Diqing2
Liu Huiwen1
1. College of Applied Science, Jiangxi University of Science & Technology, Ganzhou Jiangxi 341000, China
2. Informatization Construction & Management Dept. , Changsha University of Science & Technology, Changsha 410114, China
DOI: 10.19734/j.issn.1001-3695.2018.07.0562

Abstract

Aiming at the shortage of medical images encryption algorithm in efficiency and security, this paper proposed a novel medical image encryption algorithm in frequent domain based on 2D sine Logistic chaotic mapping. Firstly, the proposed algorithm used the integer wavelet transform of LeGall5/3 to transform medical image from frequent domain to spatial domain. In this way, the high correlation among pixels has disappeared. Then, the proposed algorithm utilized 2D sine logistic chaotic mapping to generate the chaotic sequences. In order to improve the encryption efficiency, this algorithm chose the low frequency coefficients of three-level decomposed to encrypt with chaotic diffusion and scrambling mechanism. In the same time, this algorithm also selected the medium-high frequency coefficients of two-level decomposed to encrypt by chaotic diffusion mechanism for solving the problem of obvious outline in encrypted image. Finally, this algorithm transformed the encrypted wavelet coefficients by the inverse integer wavelet transform and obtained the encrypted image. Experimental simulation results demonstrate that the proposed algorithm is able to protect medical images with low time complexity and a high security level. Compared with the existing spatial method, it reduces the encryption time by about 0.025 times. In addition, the proposed algorithm has better image imperceptibility as well as an excellent encryption efficiency compared to the existing frequent method.

Foundation Support

国家自然科学基金资助项目(61762046)
江西省自然科学基金资助项目(20161BAB212048)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2018.07.0562
Publish at: Application Research of Computers Printed Article, Vol. 37, 2020 No. 2
Section: Technology of Information Security
Pages: 530-534
Serial Number: 1001-3695(2020)02-047-0530-05

Publish History

[2020-02-05] Printed Article

Cite This Article

邓小鸿, 梁涤青, 刘惠文. 基于2D sine logistic混沌映射的医学图像频域加密算法 [J]. 计算机应用研究, 2020, 37 (2): 530-534. (Deng Xiaohong, Liang Diqing, Liu Huiwen. Medical image encryption algorithm in frequency domain base on 2D sine logistic chaotic mapping [J]. Application Research of Computers, 2020, 37 (2): 530-534. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

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