This study provides insight into the assessment of canopy biophysical parameter retrieval
using passive sensors and specifically into the quantification of tree height in a …

The geometric features of agricultural trees such as canopy area, tree height and crown
volume provide useful information about plantation status and crop production. However …

The measurement of tree height has long been an important tree attribute for the purpose of
calculating tree growth, volume, and biomass, which in turn deliver important ecological and …

This study aimed to investigate the effects of differences in shooting and flight conditions for
an unmanned aerial vehicle (UAV) on the processing method and estimated results of aerial …

Tree height and crown diameter are two common individual tree attributes that can be
estimated from unmanned aerial vehicle (UAV) images thanks to photogrammetry and …

Advances in computer vision and the parallel development of unmanned aerial vehicles
(UAVs) allow for the extensive use of UAV in forest inventory and in indirect measurements …

A compact solution for the accurate and automated collection of field data in forests has long
been anticipated, and tremendous efforts have been made by applying various remote …

Modern forestry poses new challenges that space technologies can solve thanks to the
advent of unmanned aerial vehicles (UAVs). This study proposes a methodology to extract …

High spatial resolution imagery provided by unmanned aerial vehicles (UAVs) can yield
accurate and efficient estimation of tree dimensions and canopy structural variables at the …

Plantations of typical Mediterranean tree species, such as cork oak (Quercus suber L.), holm
oak (Quercus ilex L.), and umbrella pine (Pinus pinea L.), are important for the restoration of …