中文说明：图像分割中的几种阈值分割方法，包括人工选取阈值法、Ostu算法、迭代法等。文件有附带图像，运行即可看见效果。另外有提供一些常用的matlab函数，供大家学习
English Description：
Several thresholding methods for image segmentation, including artificial threshold, Ostu algorithm and iterative methods, and so on. File has an accompanying image, run to see results. Also provided some commonly used MATLAB functions for you to learn