如何将垂直的线连起来？

如图 想要将这些线连起来形成封闭的格线，有什么好的方法呢？

如图所示

1. read_image (Image110609gddwb5mb5k5mzh8e, 'C:/Users/Administrator/Desktop/110609gddwb5mb5k5mzh8e.png')
   
2. decompose3 (Image110609gddwb5mb5k5mzh8e, Image1, Image2, Image3)
   
3. threshold (Image1, Region, 128, 255)
   
4. opening_rectangle1 (Region, RegionOpening, 1, 10)
   
5. opening_rectangle1 (Region, RegionOpening1, 60, 1)
   
6. union2 (RegionOpening, RegionOpening1, RegionUnion)
   
7. closing_rectangle1 (RegionUnion, RegionClosing, 1, 30)
   
8. closing_rectangle1 (RegionClosing, RegionClosing1, 40, 1)
   
9. shape_trans (RegionClosing1, RegionTrans, 'rectangle1')
   
10. * gen_contour_region_xld (RegionTrans, Contours, 'border')
    
11. erosion_circle (RegionTrans, RegionErosion1, 3.5)
    
12. difference (RegionTrans, RegionErosion1, RegionDifference)
    
13. union2 (RegionClosing1, RegionDifference, RegionUnion1)
    

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