Fig. 6From: A robust spectral angle index for remotely assessing soybean canopy chlorophyll content in different growing stagesThe absolute values of the Pearson correlation coefficient (|r|) between (i) Chl VIs and (ii) Chl-Cab and LAI (simulated dataset, n = 350). Note: OSAVI: Optimized Soil-adjusted VI. TCARI/OSAVI_RE: Red-edge-based Transformed Chlorophyll Absorption Reflectance Index/OSAVI. PSND: Pigment-specific Normalized Difference Index. NDRE2: Normalized Difference Red-edge Version 2. CI(red edge): Red-edge Chlorophyll Index. NDRE1: Normalized Difference Red-edge Version 1. TCARI/OSAVI: Transformed Chlorophyll Absorption Reflectance Index/OSAVI. NDVI: Normalized Difference Vegetation Index. RDVI: Renormalized Difference Vegetation Index. EVI: Enhanced Vegetation Index. EVI2: Two-band EVIBack to article page