本文中采用了针对任务的自动阈值选取和连通域分割算法，结果表明了选用的算法适于本研究的特定工作环境，取得了满意的结果。
In the paper , we use oriented spot automatic threshold choice and connected area segmentation algorithms , and experiment results illustrated the chosen algorithms were suitable to our special environments and were satisfied .
自动连通