Fast algorithm of phase masks for image encryption in the Fresnel domain

被引：33
作者：
Hwang, Hone-Ene
Han, Pin
机构：
[1] Chung Chou Inst Technol, Dept Elect Engn, Changhua, Taiwan
[2] Natl Chung Hsing Univ, Inst Precis Engn, Taichung 402, Taiwan
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2006年 / 23卷 / 08期
关键词：
D O I：
10.1364/JOSAA.23.001870
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A high performance lensless optical security system based on the discrete Fresnel transform is presented. Two phase-only masks are generated with what we believe to be a novel and efficient algorithm. Their position coordinates and the wavelength are used as encoding parameters in the encryption process. Compared with previous studies, the main advantage of this proposed encryption system is that it does not need any iterative algorithms to produce the masks, and that makes it very efficient and easy to implement without losing the encryption security. (c) 2006 Optical Society of America
引用
收藏
页码：1870 / 1874
页数：5
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