Results 1 to 10 of about 336,224 (119)

An International Comparison of Individual Tree Detection and Extraction Using Airborne Laser Scanning

Remote Sensing, 2012
The objective of the “Tree Extraction” project organized by EuroSDR (European Spatial data Research) and ISPRS (International Society of Photogrammetry and Remote Sensing) was to evaluate the quality, accuracy, and feasibility of automatic tree ...
Juha Hyyppä, Mikko Vastaranta, Felix Morsdorf   +2 more
exaly   +3 more sources

Assessment of Tree Detection Methods in Multispectral Aerial Images

Remote Sensing, 2020
Detecting individual trees and quantifying their biomass is crucial for carbon accounting procedures at the stand, landscape, and national levels. A significant challenge for many organizations is the amount of effort necessary to document carbon storage
Dagoberto Pulido, Joaquín Salas, Matthias Rös, Klaus Puettmann, Sertac Karaman   +4 more
doaj   +1 more source

Measurement of Forest Inventory Parameters with Apple iPad Pro and Integrated LiDAR Technology

Remote Sensing, 2021
The estimation of single tree and complete stand information is one of the central tasks of forest inventory. In recent years, automatic algorithms have been successfully developed for the detection and measurement of trees with laser scanning technology.
Christoph Gollob, Tim Ritter, Ralf Kraßnitzer, Andreas Tockner, Arne Nothdurft   +4 more
doaj   +1 more source

Large-Scale Oil Palm Trees Detection from High-Resolution Remote Sensing Images Using Deep Learning

Big Data and Cognitive Computing, 2022
Tree counting is an important plantation practice for biological asset inventories, etc. The application of precision agriculture in counting oil palm trees can be implemented by detecting oil palm trees from aerial imagery.
Hery Wibowo, Imas Sukaesih Sitanggang, Mushthofa Mushthofa, Hari Agung Adrianto   +3 more
doaj   +1 more source

Analysis of Using Dense Image Matching Techniques to Study the Process of Secondary Succession in Non-Forest Natura 2000 Habitats

Remote Sensing, 2019
Secondary succession is considered a threat to non-forest Natura 2000 habitats. Currently available data and techniques such as airborne laser scanning (ALS) data processing can be used to study this process. Thanks to these techniques, information about
Katarzyna Osińska-Skotak, Łukasz Jełowicki, Krzysztof Bakuła, Dorota Michalska-Hejduk, Justyna Wylazłowska, Dominik Kopeć   +5 more
doaj   +1 more source

Deep Learning-Based Automated Forest Health Diagnosis From Aerial Images

IEEE Access, 2020
Global climate change has had a drastic impact on our environment. Previous study showed that pest disaster occured from global climate change may cause a tremendous number of trees died and they inevitably became a factor of forest fire.
Chia-Yen Chiang, Chloe Barnes, Plamen Angelov, Richard Jiang   +3 more
doaj   +1 more source

Remotely Sensed Tree Characterization in Urban Areas: A Review

Remote Sensing, 2021
Urban trees and forests provide multiple ecosystem services (ES), including temperature regulation, carbon sequestration, and biodiversity. Interest in ES has increased amongst policymakers, scientists, and citizens given the extent and growth of ...
Luisa Velasquez-Camacho, Adrián Cardil, Midhun Mohan, Maddi Etxegarai, Gabriel Anzaldi, Sergio de-Miguel   +5 more
doaj   +1 more source

Template matching technique for smart tree detection and counting with UAV imagery [PDF]

E3S Web of Conferences
The identification of individual trees is an important research topic in forestry, remote sensing, and computer vision. It is a requirement in forest management and monitoring because it provides key forest inventory information, vegetation distribution ...
Ameslek Oumaima, Ameslek, Zahir Hafida, Mitro Soukaina, El Bachaoui Mostafa   +4 more
doaj   +1 more source

The Combined Use of UAV-Based RGB and DEM Images for the Detection and Delineation of Orange Tree Crowns with Mask R-CNN: An Approach of Labeling and Unified Framework

Future Internet, 2022
In this study, we used images obtained by Unmanned Aerial Vehicles (UAV) and an instance segmentation model based on deep learning (Mask R-CNN) to evaluate the ability to detect and delineate canopies in high density orange plantations.
Felipe Lucena, Fabio Marcelo Breunig, Hermann Kux   +2 more
doaj   +1 more source

Ocena możliwości wykorzystania technologii mobilnego skanowania laserowego do identyfikacji drzew i ich wymiarów na przykładzie wybranych drzewostanów bukowych [PDF]

Leśne Prace Badawcze
This article evaluates the usefulness of mobile laser scanning technology (MLS) for determining selected tree and stand parameters. Usefulness was determined based on measurements taken with the Zeb-Horizon mobile scanner in four beech stands located in ...
Grzegorz Zajączkowski, Aleksandra Falkowska   +1 more
doaj   +1 more source