A Combined Detection Algorithm for Personal Protective Equipment Based on Lightweight YOLOv4 Model

Table 3

Experimental parameters.

Parameter	Value
Learning rate (learning rate)	0.002324
Number of iterations (epoch)	400
Batch size (batch_size)	8
Momentum (momentum)	0.97
Weight decay (weight_decay)	0.0004569
Learning rate decay factor (Ir_factor)	0.1
Penalty coefficient ()	0.0005