首先进行第一次连通体检测，选择用于字符群上下边缘线拟合的连通体。

Connected components are detected the first time to be chosen for fitting upper and lower edge lines.

youdao

首先进行第一次连通体检测，选择用于字符群上下边缘线拟合的连通体。

Connected components are detected the first time to be chosen for fitting upper and lower edge lines.

youdao