Table 1 The Vegetation Indices tested in this study
From: Remote estimation of rice LAI based on Fourier spectrum texture from UAV image
Vegetation indices | Formula | References |
|---|---|---|
Red-edge Chlorophyll Index (CIrededge) | R800nm/R720nm−1 | Gitelson et al. [32] |
Green-edge Chlorophyll Index (CIgreen) | R800nm/R550nm−1 | Gitelson et al. [32] |
Normalized Difference Vegetation Index (NDVI) | (R800nm−R670nm)/(R800nm + R670nm) | Rouse et al. [33] |
Normalized Difference Red edge (NDRE) | (R800nm−R720nm)/(R800nm + R720nm) | Glenn et al. [34] |
Visible Atmospherically Resistant Index (VARI) | (R550nm-R670nm)/(R550nm + R670nm) | Gitelson et al. [35] |
MERIS Terrestrial Chlorophyll Index (MTCI) | (R800nm−R720nm)/(R720nm−R670nm) | Dash and Curran [36] |
Two-band Enhanced Vegetation Index (EVI2) | 2.5(R800nm-R670nm)/(R800nm + 2.4R670nm + 1) | Jiang et al. [37] |