Double Random Phase Encryption using Orthogonal Encoding for Multiple-Image Transmission

被引：19
作者：
Lee, In-Ho [1 ]
Cho, Myungjin [1 ]
机构：
[1] Hankyong Natl Univ, IITC, Dept Elect Elect & Control Engn, Ansung 456749, South Korea
来源：
JOURNAL OF THE OPTICAL SOCIETY OF KOREA | 2014年 / 18卷 / 03期
基金：
新加坡国家研究基金会;
关键词：
Multiple-image transmission; Optical encryption; Double-random-phase encryption; Orthogonal encoding; FRACTIONAL FOURIER-TRANSFORM; OPTICAL ENCRYPTION; DECRYPTION; SYSTEM; KEY; INFORMATION; CRYSTAL; STORAGE;
D O I：
10.3807/JOSK.2014.18.3.201
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper we extend double random phase encryption (DRPE) using orthogonal encoding from single-image transmission to multiple-image transmission. The orthogonal encoding for multiple images employs a larger Hadamard matrix than that for a single image, which can improve security. We provide a scheme for DRPE with an orthogonal codec, and a method for orthogonal encoding/decoding for multiple-image transmission. Finally, simulation results verify that the DRPE using orthogonal encoding for multiple images is more secure than both the conventional DRPE and the DRPE using orthogonal encoding for a single image.
引用
收藏
页码：201 / 206
页数：6
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