Results 1 to 10 of about 16,858 (119)

Individual tree crown delineation and tree species classification with hyperspectral and LiDAR data. [PDF]

open access: yesPeerJ, 2019
An international data science challenge, called National Ecological Observatory Network—National Institute of Standards and Technology data science evaluation, was set up in autumn 2017 with the goal to improve the use of remote sensing data in ...
Dalponte M, Frizzera L, Gianelle D.
europepmc   +3 more sources

Oblique view individual tree crown delineation

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2021
Individual tree crown (ITC) segmentation supports numerous applications in forest management and ecology. In the latter context, special attention is dedicated to the study of angular reflection effects, caused by the interaction of incident sunlight ...
Christian Kempf   +5 more
doaj   +1 more source

Tree Species Classification Using Airborne LiDAR Data Based on Individual Tree Segmentation and Shape Fitting

open access: yesRemote Sensing, 2023
Individual tree species classification is of strategic importance for forest monitoring, analysis, and management, which are critical for sustainable forestry development.
Chen Qian   +4 more
doaj   +1 more source

Tree-Species Classification and Individual-Tree-Biomass Model Construction Based on Hyperspectral and LiDAR Data

open access: yesRemote Sensing, 2023
Accurate classification of tree species is essential for forest resource monitoring, management, and conservation. Based on the classification of tree species, the biomass model at the individual-tree scale of each tree species can be accurately ...
Yifan Qiao   +5 more
doaj   +1 more source

CROWN-LEVEL TREE SPECIES CLASSIFICATION USING INTEGRATED AIRBORNE HYPERSPECTRAL AND LIDAR REMOTE SENSING DATA [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
Mapping tree species is essential for sustainable planning as well as to improve our understanding of the role of different trees as different ecological service. However, crown-level tree species automatic classification is a challenging task due to the
Z. Wang   +14 more
doaj   +1 more source

EXTRACTION OF FOREST STANDS PARAMETERS FROM ASTER DATA IN OPEN FOREST [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
Tree crown size (CS) and stem number per hectare (SN) has become increasingly important for forest management and ecosystem monitoring. Tree crown size is also strongly related to other canopy structural parameters, such as diameter at breast height ...
M. Abbasi, H. R. Riyahi Bakhtyarib
doaj   +1 more source

Individual structure mapping over six million trees for New York City USA

open access: yesScientific Data, 2023
Individual tree structure mapping in cities is important for urban environmental studies. Despite mapping products for tree canopy cover and biomass are reported at multiple spatial scales using various approaches, spatially explicit mapping of ...
Qin Ma   +5 more
doaj   +1 more source

FULLY AUTOMATED GIS-BASED INDIVIDUAL TREE CROWN DELINEATION BASED ON CURVATURE VALUES FROM A LIDAR DERIVED CANOPY HEIGHT MODEL IN A CONIFEROUS PLANTATION [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
The generation of high resolution canopy height model (CHM) from LiDAR makes it possible to delineate individual tree crown by means of a fully-automated method using the CHM’s curvature through its slope.
R. J. L. Argamosa   +7 more
doaj   +1 more source

Individual Tree Parameters Estimation for Plantation Forests Based on UAV Oblique Photography

open access: yesIEEE Access, 2020
The parameters of individual trees in forests are important for accurate forestry inventory and sustainable management. Unmanned aerial vehicle (UAV) oblique photogrammetry technology plays an important role in forest surveys because of its flexibility ...
Xuemei Zhou, Xiaoli Zhang
doaj   +1 more source

Tree Crown Mapping in Managed Woodlands (Parklands) of Semi-Arid West Africa Using WorldView-2 Imagery and Geographic Object Based Image Analysis

open access: yesSensors, 2014
Detailed information on tree cover structure is critical for research and monitoring programs targeting African woodlands, including agroforestry parklands.
Martin Karlson   +2 more
doaj   +1 more source

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