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14 April 2022 Color light field image encryption algorithm based on DNA coding and self-controlled chaotic system
Xinyue Zhang, Enjian Bai, Xue-qin Jiang, Yun Wu
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Proceedings Volume 12178, International Conference on Signal Processing and Communication Technology (SPCT 2021); 121781N (2022) https://doi.org/10.1117/12.2631929
Event: International Conference on Signal Processing and Communication Technology (SPCT 2021), 2021, Tianjin, China
Abstract
Color light field images encryption algorithm based on frequency domain DNA coding and integer wavelet transform (IWT) is introduced. First, the light field image is decomposed into sub-view images in the angular domain plane. Subsequently, a low-frequency coefficient matrix and three high-frequency coefficient matrices are obtained in the frequency domain using the two-dimensional IWT. The low-frequency coefficient matrix is encrypted using DNA coding and a self-controlled chaotic system based on PWLCM. The high-frequency coefficient matrix is scrambled, and then the reconstructed intermediate encrypted image is obtained by a two-dimensional integer wavelet inverse transform. Finally, in the spatial domain, a diffusion operation is performed to obtain the final encrypted image. The simulation shows that this algorithm has the advantages of large key space, high operation efficiency, good encryption security and strong resistance to various attacks.
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Xinyue Zhang, Enjian Bai, Xue-qin Jiang, and Yun Wu "Color light field image encryption algorithm based on DNA coding and self-controlled chaotic system", Proc. SPIE 12178, International Conference on Signal Processing and Communication Technology (SPCT 2021), 121781N (14 April 2022); https://doi.org/10.1117/12.2631929
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KEYWORDS
Image encryption
Complex systems
Image information entropy
Signal to noise ratio
Diffusion
Computer security
Control systems
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