[HTML][HTML] Unmanned aerial vehicles: A review

AA Laghari, AK Jumani, RA Laghari, H Nawaz - Cognitive Robotics, 2023 - Elsevier
Abstract The lightweight Unmanned Aerial Vehicle (UAV) flight activities are constrained,
particularly in the UAV range or activity span and perseverance, by the strategic …

Climate-change-driven droughts and tree mortality: assessing the potential of UAV-derived early warning metrics

EB Ewane, M Mohan, S Bajaj, GAP Galgamuwa… - Remote Sensing, 2023 - mdpi.com
Protecting and enhancing forest carbon sinks is considered a natural solution for mitigating
climate change. However, the increasing frequency, intensity, and duration of droughts due …

Predictive performance of machine learning model with varying sampling designs, sample sizes, and spatial extents

A Bouasria, Y Bouslihim, S Gupta… - Ecological …, 2023 - Elsevier
Using machine learning and earth observation data to capture real-world variability in
spatial predictive mapping depends on sample size, design, and spatial extent …

Performance and sensitivity of individual tree segmentation methods for UAV-LiDAR in multiple forest types

K Ma, Z Chen, L Fu, W Tian, F Jiang, J Yi, Z Du, H Sun - Remote Sensing, 2022 - mdpi.com
Using unmanned aerial vehicles (UAV) as platforms for light detection and ranging (LiDAR)
sensors offers the efficient operation and advantages of active remote sensing; hence, UAV …

Beyond trees: Mapping total aboveground biomass density in the Brazilian savanna using high-density UAV-lidar data

MBT da Costa, CA Silva, EN Broadbent… - Forest Ecology and …, 2021 - Elsevier
Tropical savanna ecosystems play a major role in the seasonality of the global carbon cycle.
However, their ability to store and sequester carbon is uncertain due to combined and …

LiDAR as a tool for assessing timber assortments: A systematic literature review

C Alvites, M Marchetti, B Lasserre, G Santopuoli - Remote Sensing, 2022 - mdpi.com
Forest ecosystems strongly contribute to the mitigation of climate change impacts through
the carbon stored in forests and through harvested wood products, such as sawed wood and …

High-density UAV-LiDAR in an integrated crop-livestock-forest system: sampling forest inventory or forest inventory based on individual tree detection (ITD)

APD Corte, EM da Cunha Neto, FE Rex, D Souza… - Drones, 2022 - mdpi.com
Lidar point clouds have been frequently used in forest inventories. The higher point density
has provided better representation of trees in forest plantations. So we developed a new …

Individual Tree Attribute Estimation and Uniformity Assessment in Fast-Growing Eucalyptus spp. Forest Plantations Using Lidar and Linear Mixed-Effects Models

RV Leite, CA Silva, M Mohan, A Cardil, DRA Almeida… - Remote Sensing, 2020 - mdpi.com
Fast-growing Eucalyptus spp. forest plantations and their resultant wood products are
economically important and may provide a low-cost means to sequester carbon for …

A novel vegetation point cloud density tree-segmentation model for overlapping crowns using UAV LiDAR

K Ma, Y Xiong, F Jiang, S Chen, H Sun - Remote Sensing, 2021 - mdpi.com
Detecting and segmenting individual trees in forest ecosystems with high-density and
overlapping crowns often results in bias due to the limitations of the commonly used canopy …

Machine learning methods for woody volume prediction in eucalyptus

DC Santana, RG Santos, PHN da Silva, H Pistori… - Sustainability, 2023 - mdpi.com
Machine learning (ML) algorithms can be used to predict wood volume in a faster and more
accurate way, providing reliable answers in forest inventories. The objective of this work was …