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

Table 2

Sampling statistics in the study area.

Study area	Tree height sampling number	Average tree height (m)	Maximum tree height (m)	Minimum tree height (m)	Number of manually delineated tree crowns
1	19	8.02	12.40	4.00	457
2	20	4.01	6.40	2.70	694
3	21	5.77	9.50	2.60	315