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Volume 11
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10.3390/app112411994
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Article

Photogrammetry (SfM) vs. Terrestrial Laser Scanning (TLS) for Archaeological Excavations: Mosaic of Cantillana (Spain) as a Case Study

by
Carmen Marín-Buzón
1,
Antonio Miguel Pérez-Romero
1,
Manuel J. León-Bonillo
1,
Rubén Martínez-Álvarez
1,
Juan Carlos Mejías-García
2 and
Francisco Manzano-Agugliaro
3,*
1
Graphic Engineering Department, University of Sevilla, 41013 Sevilla, Spain
2
Prehistory and Archaeology Department, University of Sevilla, 41003 Sevilla, Spain
3
Department of Engineering, CEIA3, University of Almeria, 04120 Almeria, Spain
*
Author to whom correspondence should be addressed.
Appl. Sci. 2021, 11(24), 11994; https://doi.org/10.3390/app112411994
Submission received: 25 November 2021 / Revised: 11 December 2021 / Accepted: 13 December 2021 / Published: 16 December 2021
(This article belongs to the Special Issue Remote Sensing Applications in Archaeology, Geography, and the Earth Sciences)
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Abstract

The discovery of a Roman mosaic from the 2nd century AD in Cantillana (Seville) generated interest and the need for exhaustive documentation, so that it could be recreated with real measurements in a 3D model, not only to obtain an exact replica, but with the intention of analyzing and studying the behavior of two main geomatics techniques. Thus, the objective of this study was the comparative analysis of both techniques: near object photogrammetry by SfM and terrestrial laser scanner or TLS. The aim of this comparison was to assess the use of both techniques in archaeological excavations. Special attention was paid to the accuracy and precision of measurements and models, especially in altimetry. Mosaics are frequently relocated from their original location to be exhibited in museums or for restoration work, after which they are returned to their original place. Therefore, the altimetric situation is of special relevance. To analyze the accuracy and errors of each technique, a total station was used to establish the real values of the ground control points (GCP) on which the comparisons of both methods were to be made. It can be concluded that the SfM technique was the most accurate and least limiting for use in semi-buried archaeological excavations. This manuscript opens new perspectives for the use of SfM-based photogrammetry in archaeological excavations.
Keywords: archaeology; photogrammetry; SfM; scanner; TLS; mosaic; marble archaeology; photogrammetry; SfM; scanner; TLS; mosaic; marble

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MDPI and ACS Style

Marín-Buzón, C.; Pérez-Romero, A.M.; León-Bonillo, M.J.; Martínez-Álvarez, R.; Mejías-García, J.C.; Manzano-Agugliaro, F. Photogrammetry (SfM) vs. Terrestrial Laser Scanning (TLS) for Archaeological Excavations: Mosaic of Cantillana (Spain) as a Case Study. Appl. Sci. 2021, 11, 11994. https://doi.org/10.3390/app112411994

AMA Style

Marín-Buzón C, Pérez-Romero AM, León-Bonillo MJ, Martínez-Álvarez R, Mejías-García JC, Manzano-Agugliaro F. Photogrammetry (SfM) vs. Terrestrial Laser Scanning (TLS) for Archaeological Excavations: Mosaic of Cantillana (Spain) as a Case Study. Applied Sciences. 2021; 11(24):11994. https://doi.org/10.3390/app112411994

Chicago/Turabian Style

Marín-Buzón, Carmen, Antonio Miguel Pérez-Romero, Manuel J. León-Bonillo, Rubén Martínez-Álvarez, Juan Carlos Mejías-García, and Francisco Manzano-Agugliaro. 2021. "Photogrammetry (SfM) vs. Terrestrial Laser Scanning (TLS) for Archaeological Excavations: Mosaic of Cantillana (Spain) as a Case Study" Applied Sciences 11, no. 24: 11994. https://doi.org/10.3390/app112411994

APA Style

Marín-Buzón, C., Pérez-Romero, A. M., León-Bonillo, M. J., Martínez-Álvarez, R., Mejías-García, J. C., & Manzano-Agugliaro, F. (2021). Photogrammetry (SfM) vs. Terrestrial Laser Scanning (TLS) for Archaeological Excavations: Mosaic of Cantillana (Spain) as a Case Study. Applied Sciences, 11(24), 11994. https://doi.org/10.3390/app112411994

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