Image encryption based on double random amplitude coding in random Hartley transform domain

被引:14
作者
Liu, Zhengjun [1 ,2 ]
Ahmad, Muhammad Ashfaq [1 ,3 ]
Liu, Shutian [1 ]
机构
[1] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China
[2] Harbin Inst Technol, Dept Automat Measurement & Control Engn, Harbin 150001, Peoples R China
[3] COMSATS Inst Informat Technol, Dept Phys, Lahore 54000, Pakistan
来源
OPTIK | 2010年 / 121卷 / 11期
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
Image encryption; Fourier transform; Random Fourier transform; Hartley transform; FRACTIONAL FOURIER-TRANSFORM; OPTICAL ENCRYPTION; PHASE ENCRYPTION;
D O I
10.1016/j.ijleo.2008.12.006
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We propose an image encryption scheme based on double random amplitude coding technique by using random Hartley transform, which is defined according to the random Fourier transform. The significant feature of this algorithm is that the encrypted image is real and convenient for storage as well as transfer of the encrypted information. Moreover, the algorithm has enhanced security and the correct information of original image can be well protected under bare decryption, blind decryption and brute force attacks. Numerical simulation results are also presented in support of the proposed scheme. (C) 2008 Elsevier GmbH. All rights reserved.
引用
收藏
页码:959 / 964
页数:6
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