Color image encryption using iterative phase retrieve process in quaternion Fourier transform domain

Liansheng Sui; Kuaikuai Duan

doi:10.1117/12.2075399

19 February 2015 Color image encryption using iterative phase retrieve process in quaternion Fourier transform domain

Liansheng Sui, Kuaikuai Duan

Proceedings Volume 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014); 94490Q (2015) https://doi.org/10.1117/12.2075399
Event: The International Conference on Photonics and Optical Engineering and the Annual West China Photonics Conference (icPOE 2014), 2014, Xi'an, China

Abstract

A single-channel color image encryption method is proposed based on iterative phase iterative process in quaternion Fourier transform domain. First, three components of the plain color image is confused respectively by using cat map. Second, the confused components are combined into a pure quaternion image, which is encode to the phase only function by using an iterative phase retrieval process. Finally, the phase only function is encrypted into the gray scale ciphertext with stationary white noise distribution based on the chaotic diffusion, which has camouflage property to some extent. The corresponding plain color image can be recovered from the ciphertext only with correct keys in the decryption process. Simulation results verify the feasibility and effectiveness of the proposed method.

Citation Download Citation

Liansheng Sui and Kuaikuai Duan "Color image encryption using iterative phase retrieve process in quaternion Fourier transform domain", Proc. SPIE 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014), 94490Q (19 February 2015); https://doi.org/10.1117/12.2075399

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KEYWORDS

Image processing

Color image processing

Image encryption

Phase only filters

Diffusion

Fourier transforms

Information security

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