3D image encryption based on computer-generated hologram in the fractional Fourier domain

Mei-Lan Piao; Yan-Ling Piao; Nam Kim

doi:10.1117/12.2509161

1 March 2019 3D image encryption based on computer-generated hologram in the fractional Fourier domain

Mei-Lan Piao, Yan-Ling Piao, Nam Kim

Proceedings Volume 10944, Practical Holography XXXIII: Displays, Materials, and Applications; 1094412 (2019) https://doi.org/10.1117/12.2509161
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

In this paper, we propose a robust 3D image encryption scheme based on computer-generated hologram (CGH) in fractional Fourier domain. The layer-based Fresnel transform is utilized to generate one phase-only CGH, which is then decomposed into two phase-only masks (POMs) by pixel superimposed method. Encryption was realized by using the created POMs in two cascaded fractional Fourier transform domains while two decryption keys are produced in the encryption process. The cryptosystem is asymmetric and high resistance against to the various potential attacks, including chosen-plaintext attack (CPA). The proposal is supported with computer simulation results. Simulation results and security analysis verify the feasibility and effectiveness of the proposed encryption scheme.

Citation Download Citation

Mei-Lan Piao, Yan-Ling Piao, and Nam Kim "3D image encryption based on computer-generated hologram in the fractional Fourier domain ", Proc. SPIE 10944, Practical Holography XXXIII: Displays, Materials, and Applications, 1094412 (1 March 2019); https://doi.org/10.1117/12.2509161

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