matlab in digital holography

利用数字全息术进行图像加密，主要是从IEEE上面下载的，对研究该方向的同行有很大的帮助-Use of digital holography to image encryption, mainly downloaded from the IEEE above, research fellow in the direction of great help

本文首先对数字全息技术的记录和再现的基本原理、数值重建算法、频谱滤波方法，数字全息图的记录条件、再现光场的分离条件等基本问题进行了分析讨论-Firstly, the basic principle of the recording and reproducing of the digital holography, numerical reconstruction algorithm, the spectral filtering method, the digital hologram rec