Journal of Remote Sensing / 2021 / Article / Tab 1

Research Article

Automatically Monitoring Impervious Surfaces Using Spectral Generalization and Time Series Landsat Imagery from 1985 to 2020 in the Yangtze River Delta

Table 1

The confusion matrix of spatiotemporal expansion of impervious surfaces from 1985 to 2020.

P.S.198585–9090–9595–0000–0505–1010–1515–20TotalU.A.


P.S.2,1333101125142,1600.988
19852148178301005210.923
85–900735401000470.745
90–952545751000740.770
95–007521288114001290.682
00–056214912213011580.772
05–1036134252262262960.764
10–1523233736252183260.773
15–205021007181011340.754

Total2,17951255921131682892971403,845
P.A.0.9790.9390.6360.6200.7790.7260.7820.8480.721

O.A.0.909
Kappa0.859

Note: P.S.: pervious surfaces; 1985: impervious surfaces before 1985; 85–90: impervious surfaces during 1985–1990; 90–95: impervious surfaces during 1990–1995; …; 15–20: impervious surfaces during 2015–2020.