图像分割的两种有效方法，阈值分割和区域生长。其中，阈值分割适合目标区域与其背景在灰度特性上的差异比较大情况。另外，效果较好的区域生长法可以为大家提供参考-Two effective methods of image segmentation, thresholding and region growing. Among them, thresholding suitable target region and its background in grayscale characteristics of relatively large difference in the situation. In addition, better regional growth method can provide a reference for everyone