直接运行PicOperationTest.m文件 程序主要是练习了： sobel算子增强边缘，得梯度幅值图像 图像的开闭操作 新手交流，高手路过就好。。。(The Code is about edge enhancement and morphologic operators. It can be used for learning the basic skills. You don't need to download it if you have mastered t