Three-dimensional scene encryption and display based on computer-generated holograms

被引：48
|
作者：
Kong, Dezhao [1 ]
Cao, Liangcai [1 ]
Jin, Guofan [1 ]
Javidi, Bahram [2 ]
机构：
[1] Tsinghua Univ, Dept Precis Instruments, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China
[2] Univ Connecticut, Dept Elect & Comp Engn, Storrs, CT 06269 USA
来源：
APPLIED OPTICS | 2016年 / 55卷 / 29期
基金：
中国国家自然科学基金;
关键词：
DIGITAL HOLOGRAPHY; PLAINTEXT ATTACK; FRESNEL DOMAIN; INFORMATION; SECURITY; SYSTEM; RECONSTRUCTION; MODULATION; ALGORITHM; OBJECTS;
D O I：
10.1364/AO.55.008296
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An optical encryption and display method for a three-dimensional (3D) scene is proposed based on computer-generated holograms (CGHs) using a single phase-only spatial light modulator. The 3D scene is encoded as one complex Fourier CGH. The Fourier CGH is then decomposed into two phase-only CGHs with random distributions by the vector stochastic decomposition algorithm. Two CGHs are interleaved as one final phase-only CGH for optical encryption and reconstruction. The proposed method can support high-level nonlinear optical 3D scene security and complex amplitude modulation of the optical field. The exclusive phase key offers strong resistances of decryption attacks. Experimental results demonstrate the validity of the novel method. (C) 2016 Optical Society of America
引用
收藏
页码：8296 / 8300
页数：5
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