Multiple-image hiding in the Fresnel domain

被引：107
|
作者：
Shi, Yishi [1 ]
Situ, Guohai
Zhang, Jingjuan
机构：
[1] Grad Univ Chinese Acad Sci, Coll Phys Sci, Beijing, Peoples R China
[2] Univ Coll Dublin, Coll Engn Math & Phys Sci, Sch Elect Elect & Mech Engn, Dublin 4, Ireland
来源：
OPTICS LETTERS | 2007年 / 32卷 / 13期
关键词：
D O I：
10.1364/OL.32.001914
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
To avoid additive cross-talk among multiple images, they are separated from each other and even from the host image in the hiding and the extraction process by locating them independently in the Fresnel domain with computer-generated double phase-only masks. Gray images and white-ground and black-ground binary images can be hidden in the system at the same time. The hiding capacity of the system as to these three types of multiple image has also been investigated using a cascaded iterative algorithm. The security and the multiplexing parameters of the system are analyzed as well. (c) 2007 Optical Society of America.
引用
收藏
页码：1914 / 1916
页数：3
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