图像的二值化，并对图像做膨胀，腐蚀，开、闭操作，以及细化处理等通过用matlab高级语言编写数字图像处理的一些基本算法程序-Binarization image, and image to do the expansion, corrosion, open and close operation, as well as refining processing through high-level language matlab digital image processing procedure