Table 6.

Performance analysis of faster R-CNN

Metric	IoU	Area	Result
	50 to 95%	All	22.8%
	50%	All	60.5%
Average precision	75%	All	89.0%
	50 to 95%	Small	18.9%
	50 to 95%	Medium	32.7%
	50to 95%	Large	29.5%
	50 to 95%	All	42.0%
Average recall	50 to 95%	Small	38.8%
	50 to 95%	Medium	49.2%
	50 to 95%	Large	50.0%