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