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Remote Sens. 2018, 10(3), 379; https://doi.org/10.3390/rs10030379

Reconstructing the Roman Site “Aquis Querquennis” (Bande, Spain) from GPR, T-LiDAR and IRT Data Fusion

1
Defense University Center, Plaza de España s/n, 36920 Marín, Spain
2
Applied Geotechnologies Research Group, University of Vigo, Rúa Maxwell s/n, Campus Lagoas-Marcosende, 36310 Vigo, Spain
3
Department of Cartographic and Terrain Engineering, University of Salamanca, Calle Hornos Caleros 50, 05003 Ávila, Spain
4
PhD Programme in Protection of the Cultural Heritage, University of Vigo, 36310 Vigo, Spain
*
Author to whom correspondence should be addressed.
Received: 7 February 2018 / Revised: 26 February 2018 / Accepted: 27 February 2018 / Published: 1 March 2018
(This article belongs to the Special Issue Recent Advances in GPR Imaging)
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Abstract

This work presents the three-dimensional (3D) reconstruction of one of the most important archaeological sites in Galicia: “Aquis Querquennis” (Bande, Spain) using in-situ non-invasive ground-penetrating radar (GPR) and Terrestrial Light Detection and Ranging (T-LiDAR) techniques, complemented with infrared thermography. T-LiDAR is used for the recording of the 3D surface of this particular case and provides high resolution 3D digital models. GPR data processing is performed through the novel software tool “toGPRi”, developed by the authors, which allows the creation of a 3D model of the sub-surface and the subsequent XY images or time-slices at different depths. All these products are georeferenced, in such a way that the GPR orthoimages can be combined with the orthoimages from the T-LiDAR for a complete interpretation of the site. In this way, the GPR technique allows for the detection of the structures of the barracks that are buried, and their distribution is completed with the structure measured by the T-LiDAR on the surface. In addition, the detection of buried elements made possible the identification and labelling of the structures of the surface and their uses. These structures are additionally inspected with infrared thermography (IRT) to determine their conservation condition and distinguish between original and subsequent constructions. View Full-Text
Keywords: ground-penetrating radar; terrestrial laser scanning; infrared thermography; archaeology; 3D visualization; toGPRi ground-penetrating radar; terrestrial laser scanning; infrared thermography; archaeology; 3D visualization; toGPRi
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Puente, I.; Solla, M.; Lagüela, S.; Sanjurjo-Pinto, J. Reconstructing the Roman Site “Aquis Querquennis” (Bande, Spain) from GPR, T-LiDAR and IRT Data Fusion. Remote Sens. 2018, 10, 379.

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