Fig. 6From: Improved estimation of aboveground biomass in wheat from RGB imagery and point cloud data acquired with a low-cost unmanned aerial vehicle systemThe performance of AGB estimation from three types of input data (left column: VIs; middle column: canopy height metrics; right column: combination of VIs and canopy height metrics) for individual critical growth stages with three machine learning techniques. The top and bottom rows represent validation assessment in R2 and RMSE, respectivelyBack to article page