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Fig. 5 | Plant Methods

Fig. 5

From: Improved estimation of aboveground biomass in wheat from RGB imagery and point cloud data acquired with a low-cost unmanned aerial vehicle system

Fig. 5

Scatterplots of measured AGB (t/ha) in wheat and the AGB estimated with three machine learning techniques (left: SMLR, second column: SVR, third column: ELM, right: RF) from the VIs alone (ad), canopy height metrics alone (eh) and the combined data (il). The data points displayed in each plot represent the validation set. The dashed diagonals represent 1:1 lines and the solid lines represent the fitted linear functions

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