。图像分割算法中最大类间方差法(OTSU)实现图像二值化,可以将图像分为目标类和背景类，便于后续处理。-. Image segmentation algorithm Otsu method (OTSU) for image binarization, image can be divided into the target class and background class, easy to subsequent processing.

采用全局阈值法对图像进行二值化阈值分割.过程需要迭代。-Using global threshold method of image binarization threshold segmentation process requires iteration.

最大类间法进行图像的前景和背景的分割，并进行二值化处理-Most kinds of method between the foreground and background of the image segmentation, and binarization processing