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A benchmark dataset for canopy crown detection and delineation in co-registered airborne RGB, LiDAR and hyperspectral imagery from the National Ecological Observation Network

Fig 4

Screenshot of the program RectLabel used for tree annotation for the image-annotated crowns for NEON plot MLBS_071.

For each visible tree crown, we created a four point bounding box.

doi: https://doi.org/10.1371/journal.pcbi.1009180.g004