|
|
|
|
|
Samantha Godfrey, James R. Cooper and Andrew J. Plater
Regular monitoring is essential for vulnerable coastal locations such as areas of landward retreat. However, for coastal practitioners, surveying is limited by budget, specialist personnel/equipment and weather. In combination structure-from-motion and m...
ver más
|
|
|
|
|
|
|
|
|
|
|
Taleatha Pell, Joan Y. Q. Li and Karen E. Joyce
With the increased availability of low-cost, off-the-shelf drone platforms, drone data become easy to capture and are now a key component of environmental assessments and monitoring. Once the data are collected, there are many structure-from-motion (SfM)...
ver más
|
|
|
|
|
|
|
|
|
|
|
Andrea Tadic, Igor Ru?ic, Nino Krvavica and Suzana Ilic
Monitoring and analysis of changes in the volume and area of nourished beaches is crucial to inform any beach renourishment programme. The aim of this study is to utilise UAV surveys and SfM photogrammetry to assess the beach nourishment performance of a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tewodros Tilahun and Wondwosen M. Seyoum
With the growing concerns of water quality related to tile drainage in agricultural lands, developing an efficient and cost-effective method of mapping tile drainage is essential. This research aimed to establish mapping of tile drainage systems in agric...
ver más
|
|
|
|
|
|
|
|
|
|
|
Caroline Behrman, Roy Van Arsdale, Youngsang Kwon, Kerry Stockslager, Dave Leverett and David Lumsden
Aerial drone photography of an active pit within a sand and gravel quarry in DeSoto County, Mississippi, was conducted to better understand the Upland Complex, which is a high-level Pliocene terrace of the Mississippi River. The Upland Complex is of grea...
ver más
|
|
|
|
|
|
|
|
|
|
|
Narcisa G. Pricope, Kerry L. Mapes, Kyle D. Woodward, Steele F. Olsen and J. Britton Baxley
There is a growing demand for the collection of ultra-high spatial resolution imagery using unmanned aerial systems (UASs). UASs are a cost-effective solution for data collection on small scales and can fly at much lower altitudes, thus yielding spatial ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Niels Anders, João Valente, Rens Masselink and Saskia Keesstra
Digital Elevation Models (DEMs) are 3D representations of the Earth?s surface and have numerous applications in geomorphology, hydrology and ecology. Structure-from-Motion (SfM) photogrammetry using photographs obtained by unmanned aerial vehicles (UAVs)...
ver más
|
|
|
|
|
|
|
|
|
|
|
B.D. Madurapperuma,J.E. Dellysse
Monitoring coastal ecosystem resilience for climatic and/or anthropogenic vulnerabilities is challenging with moderately resolution Landsat images. A simple, low-cost Kite Aerial Photograph platform (KAP) was vital to obtain high-resolution images for a ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Julián Toma?tík, Martin Mokro?, ?imon Salon, Franti?ek Chudý and Daniel Tunák
This study focuses on the horizontal and vertical accuracy of point-clouds based on unmanned aerial vehicle (UAV) imagery. The DJI Phantom 3 Professional unmanned aerial vehicle and Agisoft PhotoScan Professional software were used for the evaluation. Th...
ver más
|
|
|
|
|
|