Earf-YOLO: An Efficient Attention Receptive Field Model for Recognizing Symbols of Zhuang Minority Patterns

Table 4

Comparison of the results of YOLOv4 with different techniques.

Hard-NMS	Soft-NMS	Focal loss	GIoU loss	AP(%)
				38.2
	√			38.4
√		√		38.8
√			√	38.7
	√	√	√	39.1