A Three-Dimensional Optical Image Cryptosystem Based on Integral Imaging

Optical image encryption techniques have attracted significant interest as they offer the possibility of high-speed parallel processing of image data, of hiding information in many different dimensions. A three-dimensional optical image cryptosystem integral imaging-based in Fresnel domain is proposed. In the Fresnel domain, three-dimensional data is encrypted and decrypted by computational integral imaging system that is implemented with smart pseudoscopic-to-orthoscopic conversion model. Optical implementations are discussed as numerical implementation algorithms. Numerical simulation results are presented to emonstrate the system's flexibility, security and robustness. The research can be applied in the aspects of cloud computing and big data.

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