Multiple-image encryption and authentication in interference-based scheme by aid of space multiplexing

被引：32
|
作者：
Wang, Hongjuan [1 ]
Qin, Yi [1 ]
Huang, Yiding [1 ]
Wang, Zhipeng [2 ]
Zhang, Yingying [2 ]
机构：
[1] Nanyang Normal Univ, Coll Mech & Elect Engn, Nanyang 473061, Henan, Peoples R China
[2] Nanyang Normal Univ, Coll Phys & Elect Engn, Nanyang 473061, Henan, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2017年 / 95卷
基金：
中国国家自然科学基金;
关键词：
Multiple-image encryption; Sparse representation; Silhouette problem; OPTICAL ENCRYPTION; SILHOUETTE REMOVAL; PHASE RETRIEVAL; COMPRESSION; ALGORITHM;
D O I：
10.1016/j.optlastec.2017.04.019
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Conventional interference-based encryption (IBE) scheme suffers from the silhouette problem, and its capacity is relatively low. In this paper, we introduce sparse representation and space multiplexing into the IBE scheme and propose a method for multiple-image encryption and authentication. We demonstrate, through space multiplexing, the information of multiple images can be encrypted into two phase only masks. The decrypted images are intended to be authenticated by nonlinear correlation rather than be observed by naked eyes, and because of that, the silhouette problem has been thoroughly suppressed. Moreover, the capacity of the IBE scheme is also extensively enhanced. The feasibility and effectiveness of the proposal have been demonstrated by numerical simulations. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：63 / 71
页数：9
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