A diffraction model of direction multiplexing method for hiding multiple images

被引：18

作者：

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

Tan, Jiubin ^{[2
]}

Liu, Wei ^{[3
]}

Wu, Jingjing ^{[3
]}

Wu, Qun ^{[1
]}

Liu, Shutian ^{[3
]}

机构：

[1] Harbin Inst Technol, Postdoctoral Mobile Stn Elect Sci & Technol, Harbin 150006, Peoples R China

[2] Harbin Inst Technol, Dept Automat Test & Control, Harbin 150006, Peoples R China

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

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

来源：

JOURNAL OF MODERN OPTICS | 2014年 / 61卷 / 14期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

cryptography; ABCD system; non-parallel planes; CHOSEN-PLAINTEXT ATTACK; OPTICAL ENCRYPTION; DOMAIN; INTERFERENCE; MASK;

D O I：

10.1080/09500340.2014.922632

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Spherical surface (or cylinder) is considered to be regarded as the observing plane in an optical system. Several original images are placed at different directions on a sphere (or cylinder). The diffraction model between two slant planes is proposed to construct the propagation relation equation of the light field expressed by two images. The interference of two optical beams is used for hiding a secret pattern into two phase-only masks. The geometric parameters of the system (orientation and distance) can serve as an additional key for enhancing security. The numerical simulation results are made in order to validate the performance of the multiple encryption schemes.

引用

页码：1127 / 1132

页数：6

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