Research on Double-Layers optical information Encryption Based on Ghost Imaging

Abstract With the development of technology, digital images are greatly threatened during transmission. It is difficult to ensure the security of information in the early traditional encryption methods. Using different encryption technologies to form a secondary encryption can greatly improve the security of image encryption transmission, but facing the problems of low efficiency and poor accuracy. Based on ghost imaging and compressed sensing technology, this paper proposes a new optical information encryption algorithm: Double-Layered and Secondary Encryption Based on Ghost Imaging (LSGI). In this paper, the feasibility of the algorithm is further studied and analyzed. Numerical simulations show that the algorithm can effectively improve the security. Experiments show that the algorithm can also improve the accuracy of restoration.

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