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|Title:||Interference-based optical image encryption using three-dimensional phase retrieval|
|Authors:||Chen, W. |
|Source:||Chen, W., Chen, X. (2012-09-01). Interference-based optical image encryption using three-dimensional phase retrieval. Applied Optics 51 (25) : 6076-6083. ScholarBank@NUS Repository. https://doi.org/10.1364/AO.51.006076|
|Abstract:||In recent years, optical image encryption has attracted more and more attention in information security due to its unique advantages, such as parallel processing and multiple-parameter characteristics. In this paper, we propose a new method using three-dimensional (3D) processing strategy for interference-based optical image encryption. The plaintext is considered as a series of particles distributed in 3D space, and any one sectional extraction cannot render information about the plaintext during image decryption. In addition, the silhouette problem in the conventional interference-based optical encryption method is effectively suppressed, and the proposed optical cryptosystem can achieve higher security compared with the previous work. A numerical experiment is conducted to demonstrate the feasibility and effectiveness of the proposed method. © 2012 Optical Society of America.|
|Source Title:||Applied Optics|
|Appears in Collections:||Staff Publications|
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