本文介绍了两种图像区域分割方法，讨论了关于分割时最佳闽值选择的问题，除利用直方图确定阈值外，还介绍了利用方差确定阈值的途径。

关键词：图-This paper introduces two kind of image area segmentation method, talked about the best value selection fujian segmentation, besides the histogram threshold value determined outside, but also introduced the use of variance sure threshold way.