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

Table 2

AP for each electronic component category of four algorithms.

Category	AP (average precision) of algorithm
	Faster R-CNN (%)	SSD (512) (%)	YOLOv3 (Darknet-53) (%)	ERFAM-YOLOv3 (Darknet-11) (%)
Resistor	28.07	15.89	23.89	91.29
Capacitor	14.75	16.08	39.87	93.91
Text	14.90	16.72	51.74	95.15
Unknown	22.84	43.06	72.62	97.41
Emi	17.63	36.36	93.84	100.00
Ferrite	23.81	37.24	60.89	97.39
Pads	21.09	16.92	48.79	89.06
Led	13.51	17.18	68.95	99.36
Zener	21.80	75.00	100.00	78.79
Component	16.99	17.02	47.05	72.97
Transistor	25.21	18.00	93.49	99.94
Diode	26.62	27.11	78.76	100.00
Jumper	23.26	27.27	80.55	99.73
Inductor	23.54	27.27	77.76	90.33
Fuse	25.73	27.27	100.00	100.00
Electrolytic	25.19	27.05	63.01	89.25
Transformer	28.24	97.73	100.00	100.00
Potentiometer	23.45	9.09	55.88	70.59
Pins	19.14	54.55	99.00	98.90
Clock	16.76	45.45	84.31	96.08
Battery	29.85	54.55	100.00	100.00
Button	27.43	90.43	99.08	100.00
Ic	20.02	54.55	95.12	97.52
Switch	24.73	81.82	100.00	100.00
Test	55.02	17.21	74.54	98.88
Connector port	31.00	54.52	95.73	99.43
Buzzer	34.69	100.00	100.00	100.00
Heatsink	32.35	100.00	100.00	100.00
Display	26.64	100.00	100.00	100.00