| YOLOv4 [16] | YOLOv3 [17] | SSD | Faster R-CNN | Ours (CIoU) |
Helmet mAP | 92.97% | 91.94% | 87.09% | 92.93% | 93.87% |
Head mAP | 88.99% | 78.22% | 67.12% | 85.09% | 91.59% |
mAP | 90.98% | 85.08% | 77.11% | 88.66% | 92.73% |