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Table 5 Results of tree barrier modeling

From: Fast image recognition of transmission tower based on big data

No. Voltage level Line span number Line span (m) Defect classification Horizontal distance (m) Vertical distance (m)
1 110 kV 1–2 267 General defect 6.545 10.203
2 110 kV 5–6 240 Emergency defect 1.931 4.052
3 110 kV 9–10 285 General defect 7.919 11.021
4 110 kV 2–3 243 General defect 9.568 9.056
5 110 kV 8–9 340 General defect 6.669 10.421
6 110 kV 11–12 365 Emergency defect 1.448 2.441
7 220 kV 16–17 486 General defect 8.448 9.230
8 220 kV 14–15 404 General defect 7.107 10.194
9 220 kV 20–21 366 General defect 8.946 10.590
10 220 kV 11–12 333 General defect 8.920 10.709
11 220 kV 18–19 400 concern 14.232 14.046
12 220 kV 2–3 382 concern 14.902 15.790
13 500 kV 6–7 406 Major defects 7.703 9.532
14 500 kV 24–25 420 concern 16.013 23.089
15 500 kV 17–18 453 concern 16.069 20.894
16 500 kV 2–3 471 General defect 13.704 17.776
17 500 kV 8–9 354 concern 16.565 20.019
18 500 kV 1–2 355 Emergency defect 5.471 13.726
19 500 kV 27–28 384 General defect 13.755 15.726
20 500 kV 4–5 534 concern 17.591 22.331