图像信息隐藏，将一幅灰度图像嵌入到另一幅灰度图像当中(Hide image information and embed a grayscale image into another grayscale image)

图像隐藏F5算法源代码，使用matlab实现。经典的图像隐写算法之一，matlab代码，测试可用。(Image hiding F5 algorithm source code, using MATLAB to achieve. One of the classic image steganography algorithms, matlab code, the test is available.)