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24 results on '"Gil-Docampo, Mariluz"'

3. SfM Photogrammetry for Cost-Effective 3D Documentation and Rock Art Analysis of the Dombate Dolmen (Spain) and the Megalithic Sites of Chã dos Cabanos and Chã da Escusalha (Portugal).

Author

Peña-Villasenín, Simón, Gil-Docampo, Mariluz, Ortiz-Sanz, Juan, Vilas Boas, Luciano, Bettencourt, Ana M. S., and Cabanas, Manés F.

Subjects
*MEGALITHIC monuments, *ROCK art (Archaeology), *CULTURAL property, *ROCK analysis, *VISUAL fields
Abstract

SfM (structure from motion) photogrammetry is a technique developed in the field of computer vision that enables the generation of three-dimensional (3D) models from a set of overlapping images captured from disparate angles. The application of this technique in the field of cultural heritage, particularly in the context of megalithic monuments, is inherently challenging due to the spatial constraints of these environments and the usual limitations posed by their architectural design, which often results in poor lighting conditions. This article presents an accurate and cost-efficient methodology for the study and documentation of rock art, which has been applied to three megalithic monuments in the Iberian Peninsula: one in Spain and two in Portugal. The three working environments are complex, but the combination of techniques used and improvements such as rendering for the enhancement of engravings and the creation of 3D stop-motion models made it possible to integrate all the information in 3D formats that allow its universal dissemination. This not only preserves the heritage in graphic form but also makes it accessible to the public, both for study and for virtual visits. [ABSTRACT FROM AUTHOR]

Published
2024
Full Text
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11. 3D geometric documentation of cultural heritage with UAVS in inaccesible coastal or shallow aquatic enviroments

Author

Gil-Docampo, Mariluz, Mariluz Gil-Docampo, Simón, Bettencourt, Ana M. S., Juan-Ortiz- Sanz, and Universidade do Minho

Subjects
Humanidades::História e Arqueologia, Close-range photogrammetry, aerial prospecting, cultural heritage, 3D modelling, 3D modeling
Abstract

First published: 10 May 2023, The data that support the findings of this study are openly available in SketchFab at https://sketchfab.com/SimonPena/collections/ archaeological-prospection-26a8363aa06a40f0bc1c1bb4b0f36cc0/., Unmanned aerial systems (UASs) are equipment that have many applications in multiple sectors including archaeology, history, ethnography and cultural heritage. Photogrammetry is a transversal discipline with a long trajectory and great methodological variability, and allows a wide range of applications for the geometrical registration of all kinds of elements. The combination of photogrammetry and UAS generates a range of possibilities in many cases still to be explored. This article presents three study cases that use UAS and Structure from Motion (SfM-MVS) photogrammetry for topographic and geometric registration of archaeological, historical and ethnographic sites, some of them classified as cultural heritage, located in coastal and shallow aquatic environments that are difficult to register with traditional methods. The results show that using low-cost equipment, it is possible to carry out this type of geometric registration and heritage prospecting work in coastal and shallow aquatic environments with great performance in terms of cost and quality. In an interdisciplinary perspective this methodology will provide new possibilities of study, restoration and valuation of archaeological, historical and ethnographic monuments., (undefined)

Published
2022

20. Virtual globes for UAV-based data integration: Sputnik GIS and Google Earth™ applications.

Author

Arza-García, Marcos, Gil-Docampo, Mariluz, Ortiz-Sanz, Juan, and Martínez-Rodríguez, Santiago

Subjects
*DATA integration, *DIGITAL image correlation, *GEOGRAPHIC information systems, *SCIENTIFIC community, *GEOGRAPHIC information system software, *GEOSPATIAL data
Abstract

The integration of local measurements and monitoring via global-scale Earth observations has become a new challenge in digital Earth science. The increasing accessibility and ease of use of virtual globes (VGs) represent primary advantages of this integration, and the digital Earth scientific community has adopted this technology as one of the main methods for disseminating the results of scientific studies. In this study, the best VG software for the dissemination and analysis of high-resolution UAV (Unmanned Aerial Vehicle) data is identified for global and continuous geographic scope support. The VGs Google Earth and Sputnik Geographic Information System (GIS) are selected and compared for this purpose. Google Earth is a free platform and one of the most widely used VGs, and one of its best features its ability to provide users with quality visual results. The proprietary software Sputnik GIS more closely approximates the analytical capacity of a traditional GIS and provides outstanding advantages, such as DEM overlapping and visualization for its dissemination. [ABSTRACT FROM AUTHOR]

Published
2019
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24. Aplicación de técnicas geomáticas en el Smart Farming: Monitorización de cultivos, determinación de biomasa y detección de enfermedades

Author

Sinde González, Izar, Gil Docampo, María de la Luz, Universidade de Santiago de Compostela. Escola de Doutoramento Internacional (EDIUS), Universidade de Santiago de Compostela. Programa de Doutoramento en Enxeñaría para o Desenvolvemento Rural e Civil, and Gil Docampo, Mariluz

Subjects
fotogrametría, Investigación::25 Ciencias de la tierra y del espacio::2504 Geodesia::250404 Fotogrametría geodésica [Materias], UAV, SfM-MVS, teledetección, Smart Farming, Investigación::25 Ciencias de la tierra y del espacio::2504 Geodesia::250402 Cartografía geodésica [Materias], Investigación::31 Ciencias agrarias::3103 Agronomía::310301 Producción de cultivos [Materias]
Abstract

En la presente tesis se pretende implementar las metodologías empleadas actualmente en agricultura de precisión, en el campo de la teledetección mediante sensores aéreos no tripulados (UAV) para ayudar a los procesos de desarrollo rural en zonas que se encuentran en vías de desarrollo. Estas metodologías comprenderán temáticas relacionadas con el análisis de crecimiento en cuanto a generación de biomasa en cultivos de Ryegrass y Kikuyo, análisis del estado de salud de plantaciones de lupino mediante su respuesta espectral y la detección de enfermedades en palma africana. Como resultados, se pudo detectar de forma temprana la afectación de Pudrición de Cogollo (PC) en palma africana, determinar que tratamiento de desinfección de semilla para lupino es el más adecuado en el control del desarrollo de la Antracnosis y evidenciar que el cultivo de Ryegrass Perenne es el que genera mejores rendimientos en la producción de biomasa.

Published
2022

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