Canopy Extraction and Height Estimation of Trees in a Shelter Forest Based on Fusion of an Airborne Multispectral Image and Photogrammetric Point Cloud

<div>Schematic diagram of the study area: (a) the area acquired by the unmanned aerial vehicle (UAV) visible light camera; (b) study area 1 and its sampling locations; (c) study area 2 and its sampling locations; (d) study area 3 and its sampling locations.</div>

Journal of Sensors

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Figure 1

Figure 1: Canopy Extraction and Height Estimation of Trees in a Shelter Forest Based on Fusion of an Airborne Multispectral Image and Photogrammetric Point Cloud 

Figure 1 | Canopy Extraction and Height Estimation of Trees in a Shelter Forest Based on Fusion of an Airborne Multispectral Image and Photogrammetric Point Cloud 