Fig 1.
The SFEAF module structure.
Fig 2.
Token statistics self-attention.
Fig 3.
Experimental comparison of loss curves.
(a)CIOU (b)NWD.
Fig 4.
The improved YOLOv11 model structure.
Fig 5.
Multi-model cascaded detection framework for small PPE targets.
Table 1.
Association between key points and PPE.
Fig 6.
Distribution of key points of human body.
Fig 7.
Comparative schematic of dynamic radius scaling factor values.
(a) β = 1.2 (b) β = 0.8.
Fig 8.
The schematic diagram of two-point positioning method.
(a) Image example 1 (b) Image example 2 (c) Image example 3.
Table 2.
The ablation experiment results.
Table 3.
The small target detecting results.
Fig 9.
PR curve of the improved YOLOv11.
Table 4.
Efficiency comparative study.
Table 5.
Improved YOLOv11 5-fold CV summary with 95% CIs.
Table 6.
The testing results of different model.
Table 7.
The testing results of the improved YOLOv11 model and cascaded network.
Fig 10.
The comparison of model detection effects.
(a) The original YOLOv11 model (b) The improved YOLOv11 model (c) The cascaded network.