Derivation of Indices

Urban and Vegetation Indices

Index

Computation

Ref

1

Normalized Difference Built-up Index (NDBI)

NDBI = WIR 1 + NIR / WIR 1 + NIR

[16]

2

Urban Index (UI)

UI = WIR 2 + NIR / WIR 2 + NIR

[17]

3

Normalized Difference Vegetation Index (NDVI)

NDVI = NIR RED / NIR + RED

[18]

4

Modified Normalized Difference Water Index (MNDWI)

NDWI = GREEN NIR / GREENNIR

[19]