Table 3 On-site ultrasound image test results for railway track
Defect serial number | Defects number | Missed detection rate \(P_{{3}}\)(%) | Misjudgment rate \(P_{{2}}\)(%) | Accuracy rate \(P_{{1}}\)(%) |
|---|---|---|---|---|
1 | 347 | 1.44 | 0.29 | 98.27 |
2 | 86 | 3.49 | 0 | 96.51 |
3 | 336 | 1.19 | 0.30 | 98.51 |
4 | 132 | 0.76 | 1.52 | 97.73 |
5 | 98 | 1.02 | 2.04 | 96.94 |
6 | 13 | 0 | 15.38 | 84.62 |
7 | 197 | 0 | 1.02 | 98.98 |
8 | 166 | 1.81 | 1.20 | 96.99 |
9 | 30 | 3.33 | 10.00 | 86.67 |
10 | 154 | 0 | 1.30 | 98.70 |
11 | 215 | 2.79 | 1.40 | 95.81 |
12 | 61 | 0 | 1.64 | 98.36 |
Total | 1835 | 1.31 | 1.14 | 97.55 |