. 2021 Mar 23;21(6):2251. doi: 10.3390/s21062251

Table 3.

Road classification accuracy based on the discriminant scores ( $Z_{i}$ and $Z_{R}$ ), optimum index factor (OIF) and norm R.

Sentinel-2 Classification (OIF)		Sentinel-2 Classification (Norm R)
$Z_{i} > 0.211$	7162	$Z_{R} > 0.207$	4641
$Z_{i} \leq 0.211$	151	$Z_{R} \leq 0.207$	2672
Misclassified roads	2852	Misclassified roads	2560
Total correct roads	4461	Total correct roads	4753
Total accuracy	61%	Total accuracy	65%