这是多个matlab源程序，主要功能是灰度图像和二值图像进行腐蚀和膨胀；dwt水印程序，猫脸变换程序。-This is a matlab source, the main function is to grayscale and binary image erosion and dilation

实现二值图像水印嵌入，用matlab程序写的，可以下载下来试试看。-The realization of the two value image watermark embedding