Color image encryption using double random phase encoding

被引：0
|
作者：
Zhang, SQ [1 ]
Karim, MA [1 ]
机构：
[1] Univ Tennessee, Dept Elect Engn, Knoxville, TN 37996 USA
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 1999年 / 21卷 / 05期
关键词：
color image encryption; phase encoding; optical imagery; optical security systems;
D O I：
10.1002/(SICI)1098-2760(19990605)21:5<318::AID-MOP4>3.3.CO;2-1
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new encryption technique is proposed to encrypt color images using existing optical encryption systems for gray-scale images. The color images are converted to their indexed image formats before they are encoded. At the description end, the color images are recovered by converting the decrypted indexed images back to their RGB formats. The proposed single-channel color image encryption method is more compact and robust than the multichannels methods. since color information is added to the shape information, better verification performance can be achieved in optical security systems. (C) 1999 John Wiley & Sons, Inc.
引用
收藏
页码：318 / 323
页数：6
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