Automated Localization and Classification of Expressway Pole-Like Road Facilities from Mobile Laser Scanning Data

Table 5

Confusion matrix of PLO classification at Site 1.

	Lighting pole-1-sided	Overhead sign	Speed limit	Telephone pole	Small signboard	Others	Precision (%)
Lighting pole-1-sided	95	0	0	0	0	0	100.0
Overhead sign	0	3	0	0	0	0	100.0
Speed limit pole	0	0	4	0	0	0	100.0
Telephone pole	0	0	0	0	0	0	0.0
Small signboard	0	0	0	7	3	4	21.4
Others	3	0	0	0	0	1	25.0
Recall (%)	96.9	100.0	100.0	0.0	100.0	20.0
Overall quality: 105/117 = 89.7%