主要完成对图像的腐蚀、膨胀操作。腐蚀、膨胀过程中，实际上将图像视为二值，即R分量零与非零两类。开闭操作分别使用了Erode，Dilate。-Completion of the main image of corrosion, expansion of operations. Corrosion, the expansion process, in fact, regarded as binary images, namely, R-component zero and two types of