Imaging Components, Systems, and Processing

Compressive image encryption with customized key based on phase retrieval

[+] Author Affiliations
Hong Di

University of International Relations, Department of Information Science and Technology, Beijing, China

Xin Zhang

Institute of Automation, Chinese Academy of Sciences, Brainnetome Center, Beijing, China

Institute of Automation, Chinese Academy of Sciences, National Laboratory of Pattern Recognition, Beijing, China

Opt. Eng. 56(2), 023103 (Feb 10, 2017). doi:10.1117/1.OE.56.2.023103
History: Received November 6, 2016; Accepted January 24, 2017
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Abstract.  Recently, image encryption has been significantly improved by methods originating from optics. Phase retrieval is one method potentially applicable to image encryption. It is the process of algorithmically finding solutions to a phase loss problem due to light detectors only capturing the intensity of lights. Because the phase retrieval can constrain information to the phase with a specified condition, we propose using it to encrypt an image and compress it as phase information simultaneously. Moreover, the encryption will involve a customized key known only to authorized users. The encryption strategy provides dual protection of the encrypted image from unauthorized access. Experiments have been conducted to demonstrate the performance of the encryption method.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Hong Di and Xin Zhang
"Compressive image encryption with customized key based on phase retrieval", Opt. Eng. 56(2), 023103 (Feb 10, 2017). ; http://dx.doi.org/10.1117/1.OE.56.2.023103


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