Securing color image by using phase-only encoding in Fresnel domains

被引：72

作者：

Liu, Zhengjun ^{[1
,2
,4
]}

Guo, Cheng ^{[1
]}

Tan, Jiubin ^{[1
]}

Liu, Wei ^{[3
]}

Wu, Jingjing ^{[3
]}

Wu, Qun ^{[2
]}

Pan, Liqiang ^{[5
]}

Liu, Shutian ^{[3
]}

机构：

[1] Harbin Inst Technol, Dept Automat Test & Control, Harbin 150001, Peoples R China

[2] Harbin Inst Technol, Postdoctoral Mobile Stn Elect Sci & Technol, Harbin 150001, Peoples R China

[3] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China

[4] Chinese Acad Sci, Inst Informat Engn, State Key Lab Informat Secur, Beijing 100093, Peoples R China

[5] Harbin Inst Technol, Sch Comp Sci & Technol, Harbin 150001, Peoples R China

来源：

OPTICS AND LASERS IN ENGINEERING | 2015年 / 68卷

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Color encryption; Fresnel diffraction; Phase retrieval; FRACTIONAL FOURIER-TRANSFORM; GYRATOR TRANSFORM; OPTICAL ENCRYPTION; ALGORITHM; DECOMPOSITION; INTERFERENCE; COMPRESSION; PRINCIPLE; AMPLITUDE; SYSTEM;

D O I：

10.1016/j.optlaseng.2014.12.022

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose a novel color image hiding scheme with three channels of cascaded Fresnel domain phase-only filtering. The original color image is encoded into three phase masks by using the Gerchberg-Saxton iterative phase retrieval algorithm with another predefined phase key. The individual phase masks are placed in the inputs of the Fresnel domains of the red-green-blue channels and the phase key in the public channel, during the optical retrieval. The physical parameters in the optical system will be regarded as the additional keys for security enhancement. Numerical simulation is performed to test the validity of our scheme. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：87 / 92

页数：6

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