Use of GMM and SCMS for Accurate Road Centerline Extraction from the Classified Image

Table 2

Quantitative evaluation of different centerline extraction methods.

Method	Circle case			Spiral case			Snow case
	Completeness	Correctness	Quality	Completeness	Correctness	Quality	Completeness	Correctness	Quality
	(%)	(%)	(%)	(%)	(%)	(%)	(%)	(%)	(%)
SCMS	100	100	100	84.13	85.61	73.71	81.03	90.53	74.70
F-SCMS	Fail	Fail	Fail	93.56	94.75	88.95	90.58	98.84	86.92
GMM-SCMS	100	100	100	96.94	97.74	94.82	78.77	92.36	73.96