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. 2014 Jan 8;9(1):e82778. doi: 10.1371/journal.pone.0082778

Figure 2. Vertical profiles showing the smoothed percentage of voxel fill (PVF) within a 12 by 12 m spatial window (3 by 3 pixels) as a function of height above the ground surface.

Figure 2

Each line indicates a unique PVF, and multiple PVFs were assigned to a structural class if occurring within a ground-truthed vegetation type.