阈值分割的方法是图像分割中最常用的方法，也是最基本的方法，本算法提供的是自动选择阈值的自动分割方法，算法简单，适合初学者学习-Thresholding is the most commonly used image segmentation method is the most basic way, the algorithm is automatically selected to provide the automatic threshold segmentation algorithm is simple, suitable for beginners to learn