Control of Laser Scanner Trilateration Networks for Accurate Georeferencing of Caves: Application to El Castillo Cave (Spain)

Bayarri, Vicente, Castillo, Elena, Ripoll, Sergio y Sebastián, Miguel A. . (2022) Control of Laser Scanner Trilateration Networks for Accurate Georeferencing of Caves: Application to El Castillo Cave (Spain). Sustainability 13 (24)

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Título Control of Laser Scanner Trilateration Networks for Accurate Georeferencing of Caves: Application to El Castillo Cave (Spain)
Autor(es) Bayarri, Vicente
Castillo, Elena
Ripoll, Sergio
Sebastián, Miguel A.
Materia(s) Historia
Abstract There is a growing demand for measurements of natural and built elements, which require quantifiable accuracy and reliability, within various fields of application. Measurements from 3D Terrestrial Laser Scanner come in a point cloud, and different types of surfaces such as spheres or planes can be modelled. Due to the occlusions and/or limited field of view, it is seldom possible to survey a complete feature from one location, and information has to be acquired from multiple points of view and later co-registered and geo-referenced to obtain a consistent coordinate system. The aim of this paper is not to match point clouds, but to show a methodology to adjust, following the traditional topo-geodetic methods, 3DTLS data by modelling references such as calibrated spheres and checker-boards to generate a 3D trilateration network from them to derive accuracy and reliability measurements and post-adjustment statistical analysis. The method tries to find the function that best fits the measured data, taking into account not only that the measurements made in the field are not perfect, but that each one of them has a different deviation depending on the adjustment of each reference, so they have to be weighted accordingly.
Palabras clave 3D Terrestrial Laser Scanner
geomatics
Global Navigation Satellite Systems
3D trilateration
least squares adjustment
cultural management
mapping
data processing
Editor(es) MDPI
Fecha 2022-12-07
Identificador bibliuned:DptoPyA-FGH-Articulos-Sripoll-0003
http://e-spacio.uned.es/fez/view/bibliuned:DptoPyA-FGH-Articulos-Sripoll-0003
DOI - identifier 10.3390/su132413526
ISSN - identifier 2071-1050
Nombre de la revista Sustainability
Número de Volumen 13
Número de Issue 24
Publicado en la Revista Sustainability 13 (24)
Idioma eng
Versión de la publicación publishedVersion
Tipo de recurso Article
Derechos de acceso y licencia http://creativecommons.org/licenses/by-nc-nd/4.0
info:eu-repo/semantics/openAccess
Tipo de acceso Acceso abierto
Notas adicionales The registered version of this article, first published in Sustainability, is available online at the publisher's website: MDPI, https://doi.org/10.3390/su132413526

 
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Creado: Sat, 03 Feb 2024, 01:47:57 CET