Table 4 Spectral indices derived from Landsat TM, ETM + and OLI, and Sentinel MSI satellite images to enhance the accurate performance of Vietnam-wide annual LULC mapping from 1990 to 2020.
Name | Equation | No. | Ref |
|---|---|---|---|
Atmospherically Resistant Vegetation Index | \(ARVI = \frac{Bnir - 2Bred + Bblue}{{Bnir + 2Bred + Bblue}}\) | (1) | |
Difference Vegetation Index | \(DVI = Bnir - Bred\) | (2) | |
Enhanced Built-Up and Bareness Index | \(EBBI = \frac{Bswir - Bnir}{{10\sqrt {Bswir + Bnir} }}\) | (3) | |
Enhanced Vegetation Index | \(EVI = 2.5\frac{Bnir - Bred}{{Bnir + 6Bred - 7.5Bblue + 1}}\) | (4) | |
Green Chlorophyll Index | \(GCI = \frac{Bnir}{{Bgreen}} - 1\) | (5) | |
Mangrove Vegetation Index | \(MVI = \frac{Bnir - Bgreen}{{Bswir - Bgreen}}\) | (6) | |
Normalized Burn Ratio | \(NBR = \frac{Bnir - Bswir}{{Bnir + Bswir}}\) | (7) | |
Normalized Different Bareness Index | \(NDBaI = \frac{Bswir - Btir}{{Bswir + Btir}}\) | (8) | |
Normalized Difference Built-Up Index | \(NDBI = \frac{Bswir - Bnir}{{Bswir + Bnir}}\) | (9) | |
Normalised Difference Pond Index | \(NDPI = \frac{Bgreen - Bswir}{{Bgreen + Bswir}}\) | (10) | |
Normalized Difference Turbidity Index | \(NDTI = \frac{Bred - Bgreen}{{Bred + Bgreen}}\) | (11) | |
Normalized Difference Vegetation Index | \(NDVI = \frac{Bnir - Bred}{{Bnir + Bred}}\) | (12) | |
Normalized Difference Water Index | \(NDWI = \frac{Bgreen - Bnir}{{Bgreen + Bnir}}\) | (13) | |
Soil Adjusted Vegetation Index | \(SAVI = 1.5\frac{Bnir - Bred}{{Bnir + Bred + 0.5}}\) | (14) | |
Structure Insensitive Pigment Index | \(SIPI = \frac{Bnir - Bblue}{{Bnir - Bred}}\) | (15) | |
Urban Index | \(UI = \frac{Bswir - Bnir}{{Bswir + Bnir}}\) | (16) | |
Water Ratio Index | \(WRI = \frac{Bgreen + Bred + Bnir}{{Bblue}}\) | (17) |
