Spectral Indices by Type¶
Note
All spectral indices listed here are considered broad-band spectral indices. Narrow-band spectral indices are coerced to the closest broad-band spectrum.
Vegetation¶
Index |
Long Name |
Equation |
|---|---|---|
AFRI1600 |
Aerosol Free Vegetation Index (1600 nm) [ref] |
\((N-0.66\times S1)/(N+0.66\times S1)\) |
AFRI2100 |
Aerosol Free Vegetation Index (2100 nm) [ref] |
\((N-0.5\times S2)/(N+0.5\times S2)\) |
ARI |
Anthocyanin Reflectance Index [ref] |
\((1/G)-(1/RE1)\) |
ARI2 |
Anthocyanin Reflectance Index 2 [ref] |
\(N\times ((1/G)-(1/RE1))\) |
ARVI |
Atmospherically Resistant Vegetation Index [ref] |
\((N-(R-\gamma \times (R-B)))/(N+(R-\gamma \times (R-B)))\) |
ATSAVI |
Adjusted Transformed Soil-Adjusted Vegetation Index [ref] |
\(sla\times (N-sla\times R-slb)/(sla\times N+R-sla\times slb+0.08\times (1+sla^{2.0}))\) |
AVI |
Advanced Vegetation Index [ref] |
\((N\times (1.0-R)\times (N-R))^(1/3)\) |
BCC |
Blue Chromatic Coordinate [ref] |
\(B/(R+G+B)\) |
BNDVI |
Blue Normalized Difference Vegetation Index [ref] |
\((N-B)/(N+B)\) |
BWDRVI |
Blue Wide Dynamic Range Vegetation Index [ref] |
\((\alpha \times N-B)/(\alpha \times N+B)\) |
CCI |
Chlorophyll Carotenoid Index [ref] |
\((G1-R)/(G1+R)\) |
CIG |
Chlorophyll Index Green [ref] |
\((N/G)-1.0\) |
CIRE |
Chlorophyll Index Red Edge [ref] |
\((N/RE1)-1\) |
CVI |
Chlorophyll Vegetation Index [ref] |
\((N\times R)/(G^{2.0})\) |
DSI |
Drought Stress Index [ref] |
\(S1/N\) |
DSWI1 |
Disease-Water Stress Index 1 [ref] |
\(N/S1\) |
DSWI2 |
Disease-Water Stress Index 2 [ref] |
\(S1/G\) |
DSWI3 |
Disease-Water Stress Index 3 [ref] |
\(S1/R\) |
DSWI4 |
Disease-Water Stress Index 4 [ref] |
\(G/R\) |
DSWI5 |
Disease-Water Stress Index 5 [ref] |
\((N+G)/(S1+R)\) |
DVI |
Difference Vegetation Index [ref] |
\(N-R\) |
DVIplus |
Difference Vegetation Index Plus [ref] |
\(((\lambda_{N} -\lambda_{R} )/(\lambda_{N} -\lambda_{G} ))\times G+(1.0-((\lambda_{N} -\lambda_{R} )/(\lambda_{N} -\lambda_{G} )))\times N-R\) |
EVI |
Enhanced Vegetation Index [ref] |
\(g\times (N-R)/(N+C1\times R-C2\times B+L)\) |
EVI2 |
Two-Band Enhanced Vegetation Index [ref] |
\(g\times (N-R)/(N+2.4\times R+L)\) |
ExG |
Excess Green Index [ref] |
\(2\times G-R-B\) |
ExGR |
ExG - ExR Vegetation Index [ref] |
\((2.0\times G-R-B)-(1.3\times R-G)\) |
ExR |
Excess Red Index [ref] |
\(1.3\times R-G\) |
FCVI |
Fluorescence Correction Vegetation Index [ref] |
\(N-((R+G+B)/3.0)\) |
GARI |
Green Atmospherically Resistant Vegetation Index [ref] |
\((N-(G-(B-R)))/(N-(G+(B-R)))\) |
GBNDVI |
Green-Blue Normalized Difference Vegetation Index [ref] |
\((N-(G+B))/(N+(G+B))\) |
GCC |
Green Chromatic Coordinate [ref] |
\(G/(R+G+B)\) |
GDVI |
Generalized Difference Vegetation Index [ref] |
\(((N^{n})-(R^{n}))/((N^{n})+(R^{n}))\) |
GEMI |
Global Environment Monitoring Index [ref] |
\(((2.0\times ((N^{2.0})-(R^{2.0}))+1.5\times N+0.5\times R)/(N+R+0.5))\times (1.0-0.25\times ((2.0\times ((N^{2.0})-(R^2))+1.5\times N+0.5\times R)/(N+R+0.5)))-((R-0.125)/(1-R))\) |
GLI |
Green Leaf Index [ref] |
\((2.0\times G-R-B)/(2.0\times G+R+B)\) |
GM1 |
Gitelson and Merzlyak Index 1 [ref] |
\(RE2/G\) |
GM2 |
Gitelson and Merzlyak Index 2 [ref] |
\(RE2/RE1\) |
GNDVI |
Green Normalized Difference Vegetation Index [ref] |
\((N-G)/(N+G)\) |
GOSAVI |
Green Optimized Soil Adjusted Vegetation Index [ref] |
\((N-G)/(N+G+0.16)\) |
GRNDVI |
Green-Red Normalized Difference Vegetation Index [ref] |
\((N-(G+R))/(N+(G+R))\) |
GRVI |
Green Ratio Vegetation Index [ref] |
\(N/G\) |
GSAVI |
Green Soil Adjusted Vegetation Index [ref] |
\((1.0+L)\times (N-G)/(N+G+L)\) |
GVMI |
Global Vegetation Moisture Index [ref] |
\(((N+0.1)-(S2+0.02))/((N+0.1)+(S2+0.02))\) |
IAVI |
New Atmospherically Resistant Vegetation Index [ref] |
\((N-(R-\gamma \times (B-R)))/(N+(R-\gamma \times (B-R)))\) |
IKAW |
Kawashima Index [ref] |
\((R-B)/(R+B)\) |
IPVI |
Infrared Percentage Vegetation Index [ref] |
\(N/(N+R)\) |
IRECI |
Inverted Red-Edge Chlorophyll Index [ref] |
\((RE3-R)/(RE1/RE2)\) |
MCARI |
Modified Chlorophyll Absorption in Reflectance Index [ref] |
\(((RE1-R)-0.2\times (RE1-G))\times (RE1/R)\) |
MCARI1 |
Modified Chlorophyll Absorption in Reflectance Index 1 [ref] |
\(1.2\times (2.5\times (N-R)-1.3\times (N-G))\) |
MCARI2 |
Modified Chlorophyll Absorption in Reflectance Index 2 [ref] |
\((1.5\times (2.5\times (N-R)-1.3\times (N-G)))/((((2.0\times N+1)^2)-(6.0\times N-5\times (R^{0.5}))-0.5)^{0.5})\) |
MCARI705 |
Modified Chlorophyll Absorption in Reflectance Index (705 and 750 nm) [ref] |
\(((RE2-RE1)-0.2\times (RE2-G))\times (RE2/RE1)\) |
MCARIOSAVI |
MCARI/OSAVI Ratio [ref] |
\((((RE1-R)-0.2\times (RE1-G))\times (RE1/R))/(1.16\times (N-R)/(N+R+0.16))\) |
MCARIOSAVI705 |
MCARI/OSAVI Ratio (705 and 750 nm) [ref] |
\((((RE2-RE1)-0.2\times (RE2-G))\times (RE2/RE1))/(1.16\times (RE2-RE1)/(RE2+RE1+0.16))\) |
MGRVI |
Modified Green Red Vegetation Index [ref] |
\((G^{2.0}-R^{2.0})/(G^{2.0}+R^{2.0})\) |
MNDVI |
Modified Normalized Difference Vegetation Index [ref] |
\((N-S2)/(N+S2)\) |
MNLI |
Modified Non-Linear Vegetation Index [ref] |
\((1+L)\times ((N^2)-R)/((N^2)+R+L)\) |
MRBVI |
Modified Red Blue Vegetation Index [ref] |
\((R^{2.0}-B^{2.0})/(R^{2.0}+B^{2.0})\) |
MSAVI |
Modified Soil-Adjusted Vegetation Index [ref] |
\(0.5\times (2.0\times N+1-(((2\times N+1)^2)-8\times (N-R))^{0.5})\) |
MSI |
Moisture Stress Index [ref] |
\(S1/N\) |
MSR |
Modified Simple Ratio [ref] |
\((N/R-1)/((N/R+1)^{0.5})\) |
MSR705 |
Modified Simple Ratio (705 and 750 nm) [ref] |
\((RE2/RE1-1)/((RE2/RE1+1)^{0.5})\) |
MTCI |
MERIS Terrestrial Chlorophyll Index [ref] |
\((RE2-RE1)/(RE1-R)\) |
MTVI1 |
Modified Triangular Vegetation Index 1 [ref] |
\(1.2\times (1.2\times (N-G)-2.5\times (R-G))\) |
MTVI2 |
Modified Triangular Vegetation Index 2 [ref] |
\((1.5\times (1.2\times (N-G)-2.5\times (R-G)))/((((2.0\times N+1)^2)-(6.0\times N-5\times (R^{0.5}))-0.5)^{0.5})\) |
ND705 |
Normalized Difference (705 and 750 nm) [ref] |
\((RE2-RE1)/(RE2+RE1)\) |
NDDI |
Normalized Difference Drought Index [ref] |
\((((N-R)/(N+R))-((G-N)/(G+N)))/(((N-R)/(N+R))+((G-N)/(G+N)))\) |
NDGI |
Normalized Difference Greenness Index [ref] |
\((((\lambda_{N} -\lambda_{R} )/(\lambda_{N} -\lambda_{G} ))\times G+(1.0-((\lambda_{N} -\lambda_{R} )/(\lambda_{N} -\lambda_{G} )))\times N-R)/(((\lambda_{N} -\lambda_{R} )/(\lambda_{N} -\lambda_{G} ))\times G+(1.0-((\lambda_{N} -\lambda_{R} )/(\lambda_{N} -\lambda_{G} )))\times N+R)\) |
NDII |
Normalized Difference Infrared Index [ref] |
\((N-S1)/(N+S1)\) |
NDMI |
Normalized Difference Moisture Index [ref] |
\((N-S1)/(N+S1)\) |
NDPI |
Normalized Difference Phenology Index [ref] |
\((N-(\alpha \times R+(1.0-\alpha )\times S1))/(N+(\alpha \times R+(1.0-\alpha )\times S1))\) |
NDREI |
Normalized Difference Red Edge Index [ref] |
\((N-RE1)/(N+RE1)\) |
NDVI |
Normalized Difference Vegetation Index [ref] |
\((N-R)/(N+R)\) |
NDVI705 |
Normalized Difference Vegetation Index (705 and 750 nm) [ref] |
\((RE2-RE1)/(RE2+RE1)\) |
NDYI |
Normalized Difference Yellowness Index [ref] |
\((G-B)/(G+B)\) |
NGRDI |
Normalized Green Red Difference Index [ref] |
\((G-R)/(G+R)\) |
NIRv |
Near-Infrared Reflectance of Vegetation [ref] |
\(((N-R)/(N+R))\times N\) |
NIRvH2 |
Hyperspectral Near-Infrared Reflectance of Vegetation [ref] |
\(N-R-k\times (\lambda_{N} -\lambda_{R} )\) |
NIRvP |
Near-Infrared Reflectance of Vegetation and Incoming PAR [ref] |
\(((N-R)/(N+R))\times N\times PAR\) |
NLI |
Non-Linear Vegetation Index [ref] |
\(((N^2)-R)/((N^2)+R)\) |
NMDI |
Normalized Multi-band Drought Index [ref] |
\((N-(S1-S2))/(N+(S1-S2))\) |
NRFIg |
Normalized Rapeseed Flowering Index Green [ref] |
\((G-S2)/(G+S2)\) |
NRFIr |
Normalized Rapeseed Flowering Index Red [ref] |
\((R-S2)/(R+S2)\) |
NormG |
Normalized Green [ref] |
\(G/(N+G+R)\) |
NormNIR |
Normalized NIR [ref] |
\(N/(N+G+R)\) |
NormR |
Normalized Red [ref] |
\(R/(N+G+R)\) |
OCVI |
Optimized Chlorophyll Vegetation Index [ref] |
\((N/G)\times (R/G)^{c}\) |
OSAVI |
Optimized Soil-Adjusted Vegetation Index [ref] |
\((N-R)/(N+R+0.16)\) |
PSRI |
Plant Senescing Reflectance Index [ref] |
\((R-B)/RE2\) |
RCC |
Red Chromatic Coordinate [ref] |
\(R/(R+G+B)\) |
RDVI |
Renormalized Difference Vegetation Index [ref] |
\((N-R)/((N+R)^{0.5})\) |
REDSI |
Red-Edge Disease Stress Index [ref] |
\(((705.0-665.0)\times (RE3-R)-(783.0-665.0)\times (RE1-R))/(2.0\times R)\) |
RENDVI |
Red Edge Normalized Difference Vegetation Index [ref] |
\((RE2-RE1)/(RE2+RE1)\) |
RGBVI |
Red Green Blue Vegetation Index [ref] |
\((G^{2.0}-B\times R)/(G^{2.0}+B\times R)\) |
RGRI |
Red-Green Ratio Index [ref] |
\(R/G\) |
RI |
Redness Index [ref] |
\((R-G)/(R+G)\) |
RVI |
Ratio Vegetation Index [ref] |
\(RE2/R\) |
S2REP |
Sentinel-2 Red-Edge Position [ref] |
\(705.0+35.0\times ((((RE3+R)/2.0)-RE1)/(RE2-RE1))\) |
SARVI |
Soil Adjusted and Atmospherically Resistant Vegetation Index [ref] |
\((1+L)\times (N-(R-(R-B)))/(N+(R-(R-B))+L)\) |
SAVI |
Soil-Adjusted Vegetation Index [ref] |
\((1.0+L)\times (N-R)/(N+R+L)\) |
SAVI2 |
Soil-Adjusted Vegetation Index 2 [ref] |
\(N/(R+(slb/sla))\) |
SEVI |
Shadow-Eliminated Vegetation Index [ref] |
\((N/R)+fdelta\times (1.0/R)\) |
SI |
Shadow Index [ref] |
\(((1.0-B)\times (1.0-G)\times (1.0-R))^(1/3)\) |
SIPI |
Structure Insensitive Pigment Index [ref] |
\((N-A)/(N-R)\) |
SR |
Simple Ratio [ref] |
\(N/R\) |
SR2 |
Simple Ratio (800 and 550 nm) [ref] |
\(N/G\) |
SR3 |
Simple Ratio (860, 550 and 708 nm) [ref] |
\(N2/(G\times RE1)\) |
SR555 |
Simple Ratio (555 and 750 nm) [ref] |
\(RE2/G\) |
SR705 |
Simple Ratio (705 and 750 nm) [ref] |
\(RE2/RE1\) |
SeLI |
Sentinel-2 LAI Green Index [ref] |
\((N2-RE1)/(N2+RE1)\) |
TCARI |
Transformed Chlorophyll Absorption in Reflectance Index [ref] |
\(3\times ((RE1-R)-0.2\times (RE1-G)\times (RE1/R))\) |
TCARIOSAVI |
TCARI/OSAVI Ratio [ref] |
\((3\times ((RE1-R)-0.2\times (RE1-G)\times (RE1/R)))/(1.16\times (N-R)/(N+R+0.16))\) |
TCARIOSAVI705 |
TCARI/OSAVI Ratio (705 and 750 nm) [ref] |
\((3\times ((RE2-RE1)-0.2\times (RE2-G)\times (RE2/RE1)))/(1.16\times (RE2-RE1)/(RE2+RE1+0.16))\) |
TCI |
Triangular Chlorophyll Index [ref] |
\(1.2\times (RE1-G)-1.5\times (R-G)\times (RE1/R)^{0.5}\) |
TDVI |
Transformed Difference Vegetation Index [ref] |
\(1.5\times ((N-R)/((N^{2.0}+R+0.5)^{0.5}))\) |
TGI |
Triangular Greenness Index [ref] |
\(-0.5\times (190\times (R-G)-120\times (R-B))\) |
TRRVI |
Transformed Red Range Vegetation Index [ref] |
\(((RE2-R)/(RE2+R))/(((N-R)/(N+R))+1.0)\) |
TSAVI |
Transformed Soil-Adjusted Vegetation Index [ref] |
\(sla\times (N-sla\times R-slb)/(sla\times N+R-sla\times slb)\) |
TTVI |
Transformed Triangular Vegetation Index [ref] |
\(0.5\times ((865.0-740.0)\times (RE3-RE2)-(N2-RE2)\times (783.0-740))\) |
TVI |
Transformed Vegetation Index [ref] |
\((((N-R)/(N+R))+0.5)^{0.5}\) |
TriVI |
Triangular Vegetation Index [ref] |
\(0.5\times (120\times (N-G)-200\times (R-G))\) |
VARI |
Visible Atmospherically Resistant Index [ref] |
\((G-R)/(G+R-B)\) |
VARI700 |
Visible Atmospherically Resistant Index (700 nm) [ref] |
\((RE1-1.7\times R+0.7\times B)/(RE1+1.3\times R-1.3\times B)\) |
VI700 |
Vegetation Index (700 nm) [ref] |
\((RE1-R)/(RE1+R)\) |
VIG |
Vegetation Index Green [ref] |
\((G-R)/(G+R)\) |
WDRVI |
Wide Dynamic Range Vegetation Index [ref] |
\((\alpha \times N-R)/(\alpha \times N+R)\) |
WDVI |
Weighted Difference Vegetation Index [ref] |
\(N-sla\times R\) |
mND705 |
Modified Normalized Difference (705, 750 and 445 nm) [ref] |
\((RE2-RE1)/(RE2+RE1-A)\) |
mSR705 |
Modified Simple Ratio (705 and 445 nm) [ref] |
\((RE2-A)/(RE2+A)\) |
Burn¶
Index |
Long Name |
Equation |
|---|---|---|
BAI |
Burned Area Index [ref] |
\(1.0/((0.1-R)^{2.0}+(0.06-N)^{2.0})\) |
BAIM |
Burned Area Index adapted to MODIS [ref] |
\(1.0/((0.05-N)^{2.0})+((0.2-S2)^{2.0})\) |
BAIS2 |
Burned Area Index for Sentinel 2 [ref] |
\((1.0-((RE2\times RE3\times N2)/R)^{0.5})\times (((S2-N2)/(S2+N2)^{0.5})+1.0)\) |
CSI |
Char Soil Index [ref] |
\(N/S2\) |
CSIT |
Char Soil Index Thermal [ref] |
\(N/(S2\times T/10000.0)\) |
MIRBI |
Mid-Infrared Burn Index [ref] |
\(10.0\times S2-9.8\times S1+2.0\) |
NBR |
Normalized Burn Ratio [ref] |
\((N-S2)/(N+S2)\) |
NBR2 |
Normalized Burn Ratio 2 [ref] |
\((S1-S2)/(S1+S2)\) |
NBRSWIR |
Normalized Burn Ratio SWIR [ref] |
\((S2-S1-0.02)/(S2+S1+0.1)\) |
NBRT1 |
Normalized Burn Ratio Thermal 1 [ref] |
\((N-(S2\times T/10000.0))/(N+(S2\times T/10000.0))\) |
NBRT2 |
Normalized Burn Ratio Thermal 2 [ref] |
\(((N/(T/10000.0))-S2)/((N/(T/10000.0))+S2)\) |
NBRT3 |
Normalized Burn Ratio Thermal 3 [ref] |
\(((N-(T/10000.0))-S2)/((N-(T/10000.0))+S2)\) |
NBRplus |
Normalized Burn Ratio Plus [ref] |
\((S2-N2-G-B)/(S2+N2+G+B)\) |
NDSWIR |
Normalized Difference SWIR [ref] |
\((N-S1)/(N+S1)\) |
NDVIT |
Normalized Difference Vegetation Index Thermal [ref] |
\((N-(R\times T/10000.0))/(N+(R\times T/10000.0))\) |
NSTv1 |
NIR-SWIR-Temperature Version 1 [ref] |
\(((N-S2)/(N+S2))\times T\) |
NSTv2 |
NIR-SWIR-Temperature Version 2 [ref] |
\((N-(S2+T))/(N+(S2+T))\) |
SAVIT |
Soil-Adjusted Vegetation Index Thermal [ref] |
\((1.0+L)\times (N-(R\times T/10000.0))/(N+(R\times T/10000.0)+L)\) |
VI6T |
VI6T Index [ref] |
\((N-T/10000.0)/(N+T/10000.0)\) |
Water¶
Index |
Long Name |
Equation |
|---|---|---|
ANDWI |
Augmented Normalized Difference Water Index [ref] |
\((B+G+R-N-S1-S2)/(B+G+R+N+S1+S2)\) |
AWEInsh |
Automated Water Extraction Index [ref] |
\(4.0\times (G-S1)-0.25\times N+2.75\times S2\) |
AWEIsh |
Automated Water Extraction Index with Shadows Elimination [ref] |
\(B+2.5\times G-1.5\times (N+S1)-0.25\times S2\) |
LSWI |
Land Surface Water Index [ref] |
\((N-S1)/(N+S1)\) |
MBWI |
Multi-Band Water Index [ref] |
\((\omega \times G)-R-N-S1-S2\) |
MLSWI26 |
Modified Land Surface Water Index (MODIS Bands 2 and 6) [ref] |
\((1.0-N-S1)/(1.0-N+S1)\) |
MLSWI27 |
Modified Land Surface Water Index (MODIS Bands 2 and 7) [ref] |
\((1.0-N-S2)/(1.0-N+S2)\) |
MNDWI |
Modified Normalized Difference Water Index [ref] |
\((G-S1)/(G+S1)\) |
MuWIR |
Revised Multi-Spectral Water Index [ref] |
\(-4.0\times ((B-G)/(B+G))+2.0\times ((G-N)/(G+N))+2.0\times ((G-S2)/(G+S2))-((G-S1)/(G+S1))\) |
NDCI |
Normalized Difference Chlorophyll Index [ref] |
\((RE1-R)/(RE1+R)\) |
NDPonI |
Normalized Difference Pond Index [ref] |
\((S1-G)/(S1+G)\) |
NDTI |
Normalized Difference Turbidity Index [ref] |
\((R-G)/(R+G)\) |
NDVIMNDWI |
NDVI-MNDWI Model [ref] |
\(((N-R)/(N+R))-((G-S1)/(G+S1))\) |
NDWI |
Normalized Difference Water Index [ref] |
\((G-N)/(G+N)\) |
NDWIns |
Normalized Difference Water Index with no Snow Cover and Glaciers [ref] |
\((G-\alpha \times N)/(G+N)\) |
NWI |
New Water Index [ref] |
\((B-(N+S1+S2))/(B+(N+S1+S2))\) |
S2WI |
Sentinel-2 Water Index [ref] |
\((RE1-S2)/(RE1+S2)\) |
SWM |
Sentinel Water Mask [ref] |
\((B+G)/(N+S1)\) |
TWI |
Triangle Water Index [ref] |
\((2.84\times (RE1-RE2)/(G+S2))+((1.25\times (G-B)-(N-B))/(N+1.25\times G-0.25\times B))\) |
WI1 |
Water Index 1 [ref] |
\((G-S2)/(G+S2)\) |
WI2 |
Water Index 2 [ref] |
\((B-S2)/(B+S2)\) |
WI2015 |
Water Index 2015 [ref] |
\(1.7204+171\times G+3\times R-70\times N-45\times S1-71\times S2\) |
WRI |
Water Ratio Index [ref] |
\((G+R)/(N+S1)\) |
Snow¶
Index |
Long Name |
Equation |
|---|---|---|
NBSIMS |
Non-Binary Snow Index for Multi-Component Surfaces [ref] |
\(0.36\times (G+R+N)-(((B+S2)/G)+S1)\) |
NDGlaI |
Normalized Difference Glacier Index [ref] |
\((G-R)/(G+R)\) |
NDSI |
Normalized Difference Snow Index [ref] |
\((G-S1)/(G+S1)\) |
NDSII |
Normalized Difference Snow Ice Index [ref] |
\((G-N)/(G+N)\) |
NDSInw |
Normalized Difference Snow Index with no Water [ref] |
\((N-S1-\beta )/(N+S1)\) |
NDSaII |
Normalized Difference Snow and Ice Index [ref] |
\((R-S1)/(R+S1)\) |
S3 |
S3 Snow Index [ref] |
\((N\times (R-S1))/((N+R)\times (N+S1))\) |
SWI |
Snow Water Index [ref] |
\((G\times (N-S1))/((G+N)\times (N+S1))\) |
Drought¶
Urban¶
Index |
Long Name |
Equation |
|---|---|---|
BLFEI |
Built-Up Land Features Extraction Index [ref] |
\((((G+R+S2)/3.0)-S1)/(((G+R+S2)/3.0)+S1)\) |
BRBA |
Band Ratio for Built-up Area [ref] |
\(R/S1\) |
DBI |
Dry Built-Up Index [ref] |
\(((B-T1)/(B+T1))-((N-R)/(N+R))\) |
EBBI |
Enhanced Built-Up and Bareness Index [ref] |
\((S1-N)/(10.0\times ((S1+T)^{0.5}))\) |
IBI |
Index-Based Built-Up Index [ref] |
\((((S1-N)/(S1+N))-(((N-R)\times (1.0+L)/(N+R+L))+((G-S1)/(G+S1)))/2.0)/(((S1-N)/(S1+N))+(((N-R)\times (1.0+L)/(N+R+L))+((G-S1)/(G+S1)))/2.0)\) |
NBAI |
Normalized Built-up Area Index [ref] |
\(((S2-S1)/G)/((S2+S1)/G)\) |
NBUI |
New Built-Up Index [ref] |
\(((S1-N)/(10.0\times (T+S1)^{0.5}))-(((N-R)\times (1.0+L))/(N-R+L))-(G-S1)/(G+S1)\) |
NDBI |
Normalized Difference Built-Up Index [ref] |
\((S1-N)/(S1+N)\) |
NDISIb |
Normalized Difference Impervious Surface Index Blue [ref] |
\((T-(B+N+S1)/3.0)/(T+(B+N+S1)/3.0)\) |
NDISIg |
Normalized Difference Impervious Surface Index Green [ref] |
\((T-(G+N+S1)/3.0)/(T+(G+N+S1)/3.0)\) |
NDISImndwi |
Normalized Difference Impervious Surface Index with MNDWI [ref] |
\((T-(((G-S1)/(G+S1))+N+S1)/3.0)/(T+(((G-S1)/(G+S1))+N+S1)/3.0)\) |
NDISIndwi |
Normalized Difference Impervious Surface Index with NDWI [ref] |
\((T-(((G-N)/(G+N))+N+S1)/3.0)/(T+(((G-N)/(G+N))+N+S1)/3.0)\) |
NDISIr |
Normalized Difference Impervious Surface Index Red [ref] |
\((T-(R+N+S1)/3.0)/(T+(R+N+S1)/3.0)\) |
NHFD |
Non-Homogeneous Feature Difference [ref] |
\((RE1-A)/(RE1+A)\) |
PISI |
Perpendicular Impervious Surface Index [ref] |
\(0.8192\times B-0.5735\times N+0.0750\) |
UI |
Urban Index [ref] |
\((S2-N)/(S2+N)\) |
VIBI |
Vegetation Index Built-up Index [ref] |
\(((N-R)/(N+R))/(((N-R)/(N+R))+((S1-N)/(S1+N)))\) |
VgNIRBI |
Visible Green-Based Built-Up Index [ref] |
\((G-N)/(G+N)\) |
VrNIRBI |
Visible Red-Based Built-Up Index [ref] |
\((R-N)/(R+N)\) |
Kernel¶
Warning
All kernel indices listed here were extracted from the Supplementary Material of Camps-Valls et al., 2021. Please note that the kEVI and kVARI indices may have more than one implementation, but for simplicity, just one is presented here.
Index |
Long Name |
Equation |
|---|---|---|
kEVI |
Kernel Enhanced Vegetation Index [ref] |
\(g\times (kNN-kNR)/(kNN+C1\times kNR-C2\times kNB+kNL)\) |
kIPVI |
Kernel Infrared Percentage Vegetation Index [ref] |
\(kNN/(kNN+kNR)\) |
kNDVI |
Kernel Normalized Difference Vegetation Index [ref] |
\((kNN-kNR)/(kNN+kNR)\) |
kRVI |
Kernel Ratio Vegetation Index [ref] |
\(kNN/kNR\) |
kVARI |
Kernel Visible Atmospherically Resistant Index [ref] |
\((kGG-kGR)/(kGG+kGR-kGB)\) |
RADAR¶
Index |
Long Name |
Equation |
|---|---|---|
DPDD |
Dual-Pol Diagonal Distance [ref] |
\((VV+VH)/2.0^{0.5}\) |
DpRVIHH |
Dual-Polarized Radar Vegetation Index HH [ref] |
\((4.0\times HV)/(HH+HV)\) |
DpRVIVV |
Dual-Polarized Radar Vegetation Index VV [ref] |
\((4.0\times VH)/(VV+VH)\) |
NDPolI |
Normalized Difference Polarization Index [ref] |
\((VV-VH)/(VV+VH)\) |
QpRVI |
Quad-Polarized Radar Vegetation Index [ref] |
\((8.0\times HV)/(HH+VV+2.0\times HV)\) |
RFDI |
Radar Forest Degradation Index [ref] |
\((HH-HV)/(HH+HV)\) |
VDDPI |
Vertical Dual De-Polarization Index [ref] |
\((VV+VH)/VV\) |
VHVVD |
VH-VV Difference [ref] |
\(VH-VV\) |
VHVVP |
VH-VV Product [ref] |
\(VH\times VV\) |
VHVVR |
VH-VV Ratio [ref] |
\(VH/VV\) |
VVVHD |
VV-VH Difference [ref] |
\(VV-VH\) |
VVVHR |
VV-VH Ratio [ref] |
\(VV/VH\) |
VVVHS |
VV-VH Sum [ref] |
\(VV+VH\) |