Research Article
Enhancing Railway Maintenance Safety Using Open-Source Computer Vision
Table 2
Verification of recognizing and detecting algorithm railway signs.
| Classification | Railway sign | True positive | False negative | False positive | Precision | Recall |
| 0∼90 km/h | 95 | 84 | 3 | 8 | 0.96 | 0.91 | 0∼50 km/h | 40 | 39 | — | 1 | 0.98 | 1.0 | 51∼70 km/h | 35 | 31 | 1 | 3 | 0.91 | 0.97 | 71∼90 km/h | 20 | 14 | 2 | 4 | 0.78 | 0.86 |
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