… We also measured the width of horizontal tree crown projections (east–west and north–…
For individual tree position detection from the UAV platform, we used the adaptive filtering …

… of UAV imagery for automatic individual tree delineation in different stands with different
structure. Common algorithms, ie, RG, IWS, and LM were tested based on the UAV point cloud …

… The reference tree crown borders were stereoscopically interpreted from UAV-based images.
In this study, the accuracy of the tree crown borders and tree heights were tested over 31 …

… Overall, while the application of UAV-LS to delineate tree crowns and estimate biometric
parameters is satisfactory, its accuracy is affected by the presence of a multilayered and …

… tree crown area obtained by the classical ground survey methods (GS) and by the unmanned
aerial vehicle (UAV) … All trees with DBH at least of 5 cm (779 ind.) were mapped and …

… tree crown caused by complex terrain, high canopy density and irregular growth of tree crown…
outlined the tree crowns as the true crown boundary for accuracy evaluation. The individual …

… in different periods are needed (eg to estimate how much a tree or group of trees has grown
… , we use the predicted bounding boxes to estimate the area of the tree crowns and we …

… proposed for detecting tree crowns from aerial … tree crowns-pixel areas from the rest of the
image. The methodology was validated by studying banana, mango and coconut palm trees. …

… individual crowns. To the best of our knowledge, the use of UAV imagery of peach trees for
crown … for crown characterization which takes advantage of the crown change of deciduous …

… tabulaeformis and the prominent contours of damaged tree crowns, we used UAV-based
hyperspectral images and high-definition digital images (RGB) image of D. tabulaeformis-…