基于机载LiDAR点云数据森林郁闭度估测
赵勋,岳彩荣,李春干,谷雷,张国飞

Estimation of Forest Canopy Density based on Airborne LiDAR Point Cloud Data
Xun Zhao,Cairong Yue,Chungan Li,Lei Gu,Guofei Zhang
图4 提取冠层点
Fig.4 Extraction of canopy points