Land cover classes | Accuracy (%) optic + NDVI 2018 | Accuracy (%) optic + NDVI 2017 | Accuracy (%) optic + NDVI 2016 |
Rice | 99 | 100 | 97 |
Villages | 100 | 100 | 100 |
Water | 100 | 100 | 94 |
Mangroves | 100 | 100 | 100 |
Aquaculture | 95 | 95 | 99 |
Vegetables | 93 | 91 | 47 |
Wetland | 76 | 81 | 71 |
Kappa index | 0.97 | 0.97 | 0.90 |
Overall accuracy | 0.98 | 0.97 | 0.93 |