用distance_transform 检测线性凸包

先看一下要检测的图

看一下检测出来的结果

下面是我的代码：有问题可以留言咨询

read_image (Image11, 'C:/Users/Administrator/Desktop/分享/15/11.png')
threshold (Image11, Region, 0, 50)
get_image_size (Image11, Width, Height)distance_transform (Region, DistanceImage, 'octagonal', 'true', Width, Height)skeleton (Region, Skeleton)get_region_points (Skeleton, Rows, Columns)
get_grayval (DistanceImage, Rows, Columns, Grayval)
width:=sor