connection.hdev

 

read_image (Image, 'mreut') *二值化，可用灰度直方图进行可视化 threshold (Image, Region, 190, 255) *将不相连的区域都分割成单独的区域 connection (Region, ConnectedRegions) *根据面积进行特征选择，可用特征直方图进行可视化，只选出有道路的区域 select_shape (ConnectedRegions, SelectedRegions, 'area', 'and', 5000, 1000000) *将有道路的区域进行孔洞填充 fill_up (SelectedRegions, RegionFillUp) dev_set_color ('red') dev_display (Image) dev_display (RegionFillUp)