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Fig. 7 | Plant Methods

Fig. 7

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. 7

The 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 a series of pixel sizes with the RF technique. The top and bottom rows represent validation assessment in R2 and RMSE, respectively. The top number represents the flight altitude of UAV, while the number label of x-axis is the image resolution consistent with flight altitude

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