get_contour_global_attrib_xld

1. dev_close_window ()
   
2. read_image (Image, 'D:/bb/tu/8.jpg')
   
3. rgb1_to_gray (Image, GrayImage)
   
4. edges_sub_pix (GrayImage, Edges, 'canny', 1, 5, 10)
   
5. *亚像素边缘
   
6. select_shape_xld (Edges, SelectedXLD, 'contlength', 'and', 136.87, 136.9)
   
7. 
   
8. get_contour_global_attrib_xld (SelectedXLD, 'cont_approx', Attrib)
   
9. 
   
10. get_image_size (GrayImage, Width, Height)
    
11. dev_open_window(10,10,Width, Height,'black',WindowHandle)
    
12. dev_display(SelectedXLD)
    

复制代码

请问：错在哪儿 ？？

是必须进行分割吗？segment_contours_xld