Comparison of photogrammetric techniques for rockfalls monitoring
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Inclou dades d'ús des de 2022
Cita com:
hdl:2117/91010
Tipus de documentCapítol de llibre
Data publicació2016
EditorInstitute of Physics (IOP)
Condicions d'accésAccés obert
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continguts d'aquesta obra estan subjectes a la llicència de Creative Commons
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
The use of Unmanned Aerial Vehicles, UAVs to image capture for monitoring natural
hazards has had a major boost for its wide possibilities in the last decade. These are, for example,
the studying and monitoring of unstable slopes, glaciers and rocky escarpments. Moreover, to
evaluate the risk after a rockfall or debris flow event, for example measuring volume of displaced
material, trajectories of blocks or building and/or infrastructure damaged. But the use of these
devices requires a specific treatment regarding the studied case and geomatic techniques suitable
to get the adequate precision of the movement, size of items or events to study. For each
application it is necessary to determine what kind of capture is the most appropriate to obtain an
optimal benefit-cost ratio. A comparison of the use of terrestrial photogrammetry, UAV
photogrammetry and video from UAV has been done. The best result has been obtained
combining techniques aerial and terrestrial since ground points with a best quality can be
identified and measured and all the surface has a best image coverage.
CitacióBuill, F., Núñez-Andrés, M.A., Lantada, N., Prades, A. Comparison of photogrammetric techniques for rockfalls monitoring. A: "World Multidisciplinary Earth Sciences Symposium (WMESS 2016) : 5–9 September 2016, Prague, Czech Republic : IOP Conference Series: Earth and Environmental Science, Volume 44". Londres: Institute of Physics (IOP), 2016, p. 042023-1-042023-7.
ISBN1755-1315
Versió de l'editorhttp://iopscience.iop.org/volume/1755-1315/44
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EES_44_4_042023.pdf | 1,503Mb | Visualitza/Obre |