Table 7 Effectiveness of model identification for each crack category.
Model | Hairline cracks | Through cracks | Branched cracks | Propagation cracks | mAP (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
P | R | F1 | P | R | F1 | P | R | F1 | P | R | F1 | ||
YOLOv8n | 85.2 | 78.9 | 81.9 | 88.7 | 84.1 | 86.3 | 86.4 | 79.3 | 82.7 | 87.3 | 82.4 | 84.1 | 91.8 |
BCCD-YOLO | 91.5 | 86.2 | 88.7 | 92.8 | 88.5 | 90.6 | 90.3 | 85.7 | 87.9 | 91.2 | 87.1 | 89.1 | 94.9 |
