A PCB Electronic Components Detection Network Design Based on Effective Receptive Field Size and Anchor Size Matching

Table 1

Anchors and ERF size of Yolo_scales inYOLOv3 and ERFAM-YOLOv3.

Anchor	The maximum width or height in each group of anchors	YOLOv3 (Darknet-53)		ERFAM-YOLOV3 (Darknet-11)
		Output layer	ERF size	Output layer	ERF size
(10 × 4)	31	Yolo_scale_1 (13 × 13)	174	Yolo_scale_1 (52 × v52)	47
(14 × 12)
(31 × 31)
(5 × 2)	9	Yolo_scale_2 (26 × 26)	95	Yolo_scale_2 (104 × 104)	23
(5 × 5)
(4 × 9)
(1 × 3)	5	Yolo_scale_3 (52 × 52)	49	Yolo_scale_3 (208 × 208)	13
(3 × 1)
(2 × 5)