Abstract:

In order to achieve multiple-image simultaneous encryption for an efficient transmission of secured data, the paper employs the position multiplexing and records multiple images into a hologram by computer generated holography based on the optical scanning holography (OSH). The decryption is modeled into an inverse problem. This paper utilizes a regularization in solving the inverse problem so as to extract images simultaneously with edge preserved. Numerical experiments demonstrate the feasibility of the algorithm and the robustness to image destruction. The subsequent analysis of the experiments investigates the image quality and security of the algorithm.