Security-enhanced optical interference-based multiple-image encryption using a modified multiplane phase retrieval algorithm

Mingguang Shan; Lei Liu; Bin Liu; Zhi Zhong

doi:10.1117/1.OE.57.8.083103

21 August 2018 Security-enhanced optical interference-based multiple-image encryption using a modified multiplane phase retrieval algorithm

Mingguang Shan, Lei Liu, Bin Liu, Zhi Zhong

Author Affiliations +

Optical Engineering, Vol. 57, Issue 8, 083103 (August 2018). https://doi.org/10.1117/1.OE.57.8.083103

Abstract

We propose a security-enhanced optical interference-based multiple-image encryption (IBMIE) using a modified multiplane phase retrieval algorithm (MPPRA) in the Fresnel transform domain. In this IBMIE scheme, while a phase-only mask (POM) distributing randomly between [ 0 , 2π ] is fixed, the other POM is iteratively extracted based on a modified mMPPRA, and thus, multiple plaintexts are simultaneously encrypted into two POMs with different distances to the image planes. At last, the retrieved POM is pixel scrambled by chaotic pixel scrambling (CPS). During image decryption, the decrypted images can be obtained at their preset positions by an intensity detector directly. The silhouette of the original images cannot be obtained using either of the two POMs. The parameters of both CPS and Fresnel transform can serve as security keys to enhance the security. Numerical simulation is presented to demonstrate the validity of the proposed mMPPRA-based IBMIE.

Citation Download Citation

Mingguang Shan, Lei Liu, Bin Liu, and Zhi Zhong "Security-enhanced optical interference-based multiple-image encryption using a modified multiplane phase retrieval algorithm," Optical Engineering 57(8), 083103 (21 August 2018). https://doi.org/10.1117/1.OE.57.8.083103

Received: 20 June 2018; Accepted: 31 July 2018; Published: 21 August 2018

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