Simultaneous localization and map** (slam) and data fusion in unmanned aerial vehicles: Recent advances and challenges

A Gupta, X Fernando - Drones, 2022 - mdpi.com
This article presents a survey of simultaneous localization and map** (SLAM) and data
fusion techniques for object detection and environmental scene perception in unmanned …

[HTML][HTML] Digital terrain models generated with low-cost UAV photogrammetry: Methodology and accuracy

SI Jiménez-Jiménez, W Ojeda-Bustamante… - … International Journal of …, 2021 - mdpi.com
Digital terrain model (DTM) generation is essential to recreating terrain morphology once the
external elements are removed. Traditional survey methods are still used to collect accurate …

A quick and low-cost smartphone photogrammetry method for obtaining 3D particle size and shape

K Fang, J Zhang, H Tang, X Hu, H Yuan, X Wang… - Engineering …, 2023 - Elsevier
Reliable particle measurements are essential when investigating the size and shape of
particles in various fields of study, including engineering geology. Common methods to …

Current practices in UAS-based environmental monitoring

G Tmušić, S Manfreda, H Aasen, MR James… - Remote Sensing, 2020 - mdpi.com
With the increasing role that unmanned aerial systems (UAS) are playing in data collection
for environmental studies, two key challenges relate to harmonizing and providing …

Applications of unmanned aerial vehicle (UAV) surveys and Structure from Motion photogrammetry in glacial and periglacial geomorphology

S Śledź, MW Ewertowski, J Piekarczyk - Geomorphology, 2021 - Elsevier
Unmanned aerial vehicles (UAVs, UAS, drones) combined with Structure-from-Motion (SfM)
photogrammetry have emerged over the last decade as the basis for a very efficient …

Structure from motion photogrammetric technique

A Eltner, G Sofia - Developments in Earth surface processes, 2020 - Elsevier
Abstract Structure from motion (SfM) with multiview stereo, a technique from photogrammetry
and computer vision that uses overlap** images to reconstruct 3D surface models, is a …

Ground control point distribution for accurate kilometre-scale topographic map** using an RTK-GNSS unmanned aerial vehicle and SfM photogrammetry

E Stott, RD Williams, TB Hoey - Drones, 2020 - mdpi.com
Unmanned Aerial Vehicles (UAVs) have revolutionised the availability of high resolution
topographic data in many disciplines due to their relatively low-cost and ease of deployment …

Remote sensing for assessing landslides and associated hazards

C Lissak, A Bartsch, M De Michele, C Gomez… - Surveys in …, 2020 - Springer
Multi-platform remote sensing using space-, airborne and ground-based sensors has
become essential tools for landslide assessment and disaster-risk prevention. Over the last …

[HTML][HTML] UAV-based multispectral and thermal cameras to predict soil water content–A machine learning approach

L Bertalan, I Holb, A Pataki, G Négyesi, G Szabó… - … and Electronics in …, 2022 - Elsevier
Soil water content (SWC) estimation is a crucial issue of agricultural production, and its
map** is an important task. We aimed to study the efficacy of UAV-based thermal (TH) and …

Citizen science for monitoring seasonal-scale beach erosion and behaviour with aerial drones

N Pucino, DM Kennedy, RC Carvalho, B Allan… - Scientific reports, 2021 - nature.com
Sandy beaches are highly dynamic systems which provide natural protection from the
impact of waves to coastal communities. With coastal erosion hazards predicted to increase …