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|Title:||Optical image encryption based on diffractive imaging||Authors:||Chen, W.
|Issue Date:||15-Nov-2010||Citation:||Chen, W., Chen, X., Sheppard, C.J.R. (2010-11-15). Optical image encryption based on diffractive imaging. Optics Letters 35 (22) : 3817-3819. ScholarBank@NUS Repository. https://doi.org/10.1364/OL.35.003817||Abstract:||In this Letter, we propose a method for optical image encryption based on diffractive imaging. An optical multiple randomphasemask encoding systemis applied, and one of the phase-onlymasks is selected and laterally translated along a preset direction during the encryption process. For image decryption, a phase retrieval algorithm is proposed to extract a high-quality plaintext. The feasibility and effectiveness of the proposedmethod are demonstrated by numerical results. The proposed method can provide a new strategy instead of conventional interference methods, and it may open up a new research perspective for optical image encryption. © 2010 Optical Society of America.||Source Title:||Optics Letters||URI:||http://scholarbank.nus.edu.sg/handle/10635/51002||ISSN:||01469592||DOI:||10.1364/OL.35.003817|
|Appears in Collections:||Staff Publications|
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