中文摘要：

为了同步加密多幅图像，实现数据高效、安全的加密传输，提出了以衍射距离为复用参数，将多幅图像同步记录到1幅全息图中．加密过程的同步性是基于光学全息扫描（OSH）技术实现的．利用计算全息实现OSH，对多幅图像进行一次性扫描和加密．在解密过程中，利用逆问题建模，通过正则化求解重建多幅图像，完成多图像同步提取．数值实验结果验证了该算法的可行性和鲁棒性，实验分析部分展示了该算法较好的重建质量和较高的安全性．

英文摘要：

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