Table 3 Number of ground control points (GCPs) used for training and validating the random forest classifier across different LULC classes and years.
Land use type | Year | ||||||
|---|---|---|---|---|---|---|---|
2000 | 2005 | 2010 | 2015 | 2020 | 2023 | ||
GCPs | Urban | 25 | 15 | 12 | 12 | 12 | 21 |
Bare | 21 | 18 | 19 | 19 | 19 | 17 | |
Water | 26 | 26 | 26 | 26 | 26 | 26 | |
Vegetation | 25 | 17 | 15 | 15 | 15 | 21 | |
Total GCPs | 97 | 97 | 72 | 72 | 72 | 85 | |