Applications of UAVs in civil infrastructure

WW Greenwood, JP Lynch, D Zekkos - Journal of infrastructure …, 2019 - ascelibrary.org
Unmanned aerial vehicles (UAV), or drones, have become popular tools for practitioners
and researchers alike. Recent years have seen a significant increase in UAV uses for many …

Ground control point distribution for accurate kilometre-scale topographic mapping 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 …

Assessment of GCP number and separation distance for small UAS surveys with and without GNSS-PPK positioning

D Bolkas - Journal of Surveying Engineering, 2019 - ascelibrary.org
Georeferencing of aerial images from small unmanned aerial systems (sUASs) is often
achieved using (1) an abundant number of ground control points (GCPs), or (2) global …

Detection of coniferous seedlings in UAV imagery

C Feduck, GJ McDermid, G Castilla - Forests, 2018 - mdpi.com
Rapid assessment of forest regeneration using unmanned aerial vehicles (UAVs) is likely to
decrease the cost of establishment surveys in a variety of resource industries. This research …

[HTML][HTML] Using UAS-Aided Photogrammetry to Monitor and Quantify the Geomorphic Effects of Extreme Weather Events in Tectonically Active Mass Waste-Prone Areas …

E Kotsi, E Vassilakis, M Diakakis, S Mavroulis… - Applied Sciences, 2023 - mdpi.com
Extreme weather events can trigger various hydrogeomorphic phenomena and processes
including slope failures. These shallow instabilities are difficult to monitor and measure due …

Improving data acquisition efficiency: Systematic accuracy evaluation of GNSS-assisted aerial triangulation in UAS operations

AR Benjamin, D O'brien, G Barnes… - Journal of surveying …, 2020 - ascelibrary.org
The number of unmanned aerial system (UAS) mapping applications that require high-
accuracy data sets have grown significantly in recent years. Indirect georeferencing (IG) …

Evaluation of Network Real Time Kinematics contribution to the accuracy/productivity ratio for UAS-SfM Photogrammetry

S Panagiotopoulou, A Erkeki… - 2020 European …, 2020 - ieeexplore.ieee.org
The improvement of the accuracy of Structure-from-Motion photogrammetric products is
discussed in this paper. In most cases it depends on the number and distribution of ground …

Experiments using a UAV-deployed impulsive source for multichannel analysis of surface waves testing

WW Greenwood, H Zhou, D Zekkos… - … Engineering and Soil …, 2018 - ascelibrary.org
Multichannel analysis of surface waves (MASW) is an established method for measuring the
in situ shear wave velocity (Vs) of geomaterials. Depending on the site conditions, a …

Dimensional quality assessment of cable-stayed bridge by combining terrestrial and drone laser scanner

M Yinhuai, J Zhigang, M Ligang… - Proceedings of the …, 2022 - icevirtuallibrary.com
Xinglinpu Bridge was built on the S3801 freeway in 2019 in preparation for the winter
Olympics in Beijing, China. It is a cable-stayed steel bridge with pylons in the shape of flower …

[PDF][PDF] Development of a Low-Cost Stationary Laser Scanning System for Generation of Building Information Models

MOA Siddiqui, F Akbar, A Basit, S Shamim… - Elektronika Ir …, 2022 - eejournal.ktu.lt
This paper presents a method for developing a 3D point cloud map of any indoor and
outdoor vicinities using an indigenously developed stationary scanning system comprising …