Automatic Detection of Coronary Metallic Stent Struts Based on YOLOv3 and R-FCN

Table 1

Comparisons between R-FCN and YOLOv3 algorithms corresponding to various IoU threshold. The amount of stents for testing is 425.

IoU	TP		FP		Precision		Recall		AP
	R-FCN	YOLOv3	R-FCN	YOLOv3	R-FCN	YOLOv3	R-FCN	YOLOv3	R-FCN	YOLOv3
0.30	409	410	1	12	99.8%	97.2%	96.2%	96.5%	96.2%	96.0%
0.35	408	409	2	13	99.5%	96.9%	96.0%	96.2%	96.0%	95.5%
0.40	408	407	2	15	99.5%	96.4%	96.0%	95.8%	96.0%	95.0%
0.45	407	402	3	20	99.3%	95.3%	95.8%	94.6%	95.7%	92.7%
0.50	403	391	7	31	98.3%	92.7%	94.8%	92.0%	94.2%	88.7%
0.55	386	376	24	46	94.1%	89.1%	90.8%	88.5%	88.4%	81.9%
0.60	353	347	57	75	86.1%	82.2%	83.1%	81.6%	76.5%	69.6%