Results 1 to 10 of about 2,474 (109)

Development of a lead foil crown delineation technique for implant rehabilitations to generate patient specific finite element model of occlusal loading points [PDF]

MethodsX, 2021
Understanding the clinical biomechanical basis of dental implant supported functional rehabilitation of edentulous jaws improves precision, longevity and overall success of a planned treatment.
Shyam Sundar S, Sahith Kumar Shetty, Ganesh S   +2 more
doaj   +2 more sources

Combining Spectral, Spatial-Contextual, and Structural Information in Multispectral UAV Data for Spruce Crown Delineation

Remote Sensing, 2022
Precise delineation of individual tree crowns is critical for accurate forest biophysical parameter estimation, species classification, and ecosystem modelling.
Ingo Ensminger, Petra D'Odorico, Aravind Harikumar   +2 more
exaly   +3 more sources

A New Individual Tree Crown Delineation Method for High Resolution Multispectral Imagery

Remote Sensing, 2020
In current individual tree crown (ITC) delineation methods for high-resolution multispectral imagery, either a spectral band or a brightness component of the multispectral image is employed in delineation with reference to edges or shapes of crowns ...
Baoxin Hu, Yunwei Tang, Hui Li
exaly   +3 more sources

Individual Tree Crown Delineation Method Based on Multi-Criteria Graph Using Geometric and Spectral Information: Application to Several Temperate Forest Sites

Remote Sensing, 2022
Individual tree crown (ITC) delineation in temperate forests is challenging owing to the presence of broadleaved species with overlapping crowns. Mixed coniferous/deciduous forests with characteristics that differ with the type of tree thus require a ...
David SHEEREN, Fabre Sophie, Xavier Briottet   +2 more
exaly   +3 more sources

Tree Crown Detection and Delineation in a Temperate Deciduous Forest from UAV RGB Imagery Using Deep Learning Approaches: Effects of Spatial Resolution and Species Characteristics

Remote Sensing, 2023
The automatic detection of tree crowns and estimation of crown areas from remotely sensed information offer a quick approach for grasping the dynamics of forest ecosystems and are of great significance for both biodiversity and ecosystem conservation ...
Atsuhiro Iio
exaly   +3 more sources

Impact of Tree-Oriented Growth Order in Marker-Controlled Region Growing for Individual Tree Crown Delineation Using Airborne Laser Scanner (ALS) Data

Remote Sensing, 2014
Region growing is frequently applied in automated individual tree crown delineation (ITCD) studies. Researchers have developed various rules for initial seed selection and stop criteria when applying the algorithm. However, research has rarely focused on
Zhen Zhen, Lindi Quackenbush, Lianjun Zhang   +2 more
exaly   +3 more sources

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

PeerJ, 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 ...
Michele Dalponte, Lorenzo Frizzera, Damiano Gianelle   +2 more
doaj   +3 more sources

A Region-Based Hierarchical Cross-Section Analysis for Individual Tree Crown Delineation Using ALS Data

Remote Sensing, 2017
In recent years, airborne Light Detection and Ranging (LiDAR) that provided three-dimensional forest information has been widely applied in forest inventory and has shown great potential in automatic individual tree crown delineation (ITCD).
Zhen Zhen, Yinghui Zhao, Yuanshuo Hao
exaly   +3 more sources

Tree Crown Delineation Algorithm Based on a Convolutional Neural Network

Remote Sensing, 2020
Tropical forests concentrate the largest diversity of species on the planet and play a key role in maintaining environmental processes. Due to the importance of those forests, there is growing interest in mapping their components and getting information ...
Elcio Shiguemori, Vinicius Peripato, Luiz E O C Aragão   +2 more
exaly   +3 more sources

Trends in Automatic Individual Tree Crown Detection and Delineation—Evolution of LiDAR Data

Remote Sensing, 2016
Automated individual tree crown detection and delineation (ITCD) using remotely sensed data plays an increasingly significant role in efficiently, accurately, and completely monitoring forests.
Zhen Zhen, Lindi Quackenbush, Lianjun Zhang   +2 more
exaly   +3 more sources