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Forest Ecosystems
Fig. 11 | Forest Ecosystems

Fig. 11

From: Forest in situ observations using unmanned aerial vehicle as an alternative of terrestrial measurements

Fig. 11

Relative RMSE (a) and bias (b) of the tree height estimates from the UAV, mobile and stationary platforms. The left axes represents the RMSE% and bias% (bars), and the right axes represents the completeness (solid line with ‘+’ markers). Tree heights are retrieved from ULS both automatically and manually. In the completeness of manual measurements, only trees with an identifiable tree top in the point cloud were taken into account. All units are in percentages

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