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Characterizing Forest Stands Using Unmanned Aerial Systems (Uas) Digital Photogrammetry: Advancements And Challenges In Monitoring Local Scale Forest Composition, Structure, And Health, Benjamin T. Fraser
Doctoral Dissertations
Present-day forests provide a wide variety of ecosystem services to the communities that rely on them. At the same time, these environments face routine and substantial disturbances that direct the need for site-specific, timely, and accurate monitoring/management (i.e., precision forestry). Unmanned Aerial Systems (UAS or UAV) and their associated technologies offer a promising tool for conducting such precision forestry. Now, even with only natural color, uncalibrated, UAS imagery, software workflows involving Structure from Motion (SfM) (i.e., digital photogrammetry) modelling and segmentation can be used to characterize the features of individual trees or forest communities. In this research, we tested the …