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Title: Double random phase encoding using phase reservation and compression
Authors: Chen, W. 
Chen, X. 
Keywords: double random phase encoding
information authentication
optical encryption and decryption
phase compression
phase reservation
Issue Date: 1-Feb-2014
Citation: Chen, W., Chen, X. (2014-02-01). Double random phase encoding using phase reservation and compression. Journal of Optics (United Kingdom) 16 (2) : -. ScholarBank@NUS Repository.
Abstract: In recent years, various studies have been conducted to illustrate the vulnerability of double random phase encoding (DRPE). In this paper, we propose a novel method via phase reservation and compression to enhance DRPE security. Only a compressed phase distribution is available in the CCD plane, and the amplitude component is not available or requested for optical decryption. Since only noise-like distributions can be obtained by using the correct security keys during optical decryption, a nonlinear correlation algorithm is further applied for authenticating the decrypted image. It is demonstrated that valid conditions for attack algorithms are broken and high security can be achieved for the DRPE system. © 2014 IOP Publishing Ltd.
Source Title: Journal of Optics (United Kingdom)
ISSN: 20408978
DOI: 10.1088/2040-8978/16/2/025402
Appears in Collections:Staff Publications

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