the National Natural Science Foundation of China(Grant Nos.41671414,41971380 and 41171265);the National Key Research and Development Program of China(No.2016YFB0501404).
Background:The universal occurrence of randomly distributed dark holes(i.e.,data pits appearing within the tree crown)in LiDAR-derived canopy height models(CHMs)negatively affects the accuracy of extracted forest inve...
supported by the National Natural Science Foundation of China(Grant Nos.41671414,41971380,41331171 and 41171265);the National Key Research and Development Program of China(No.2016YFB0501404)
Background: The stem curve of standing trees is an essential parameter for accurate estimation of stem volume.This study aims to directly quantify the occlusions within the single-scan terrestrial laser scanning(TLS) ...