Integration of geomatics methodologies and creation of a cultural heritage app using augmented reality

Vincenzo Barrile, Antonino Fotia, Giuliana Bilotta, Domenico De Carlo

Abstract

3D modelling of archaeological and historical structures is the new frontier in the field of conservation science. Similarly, the identification of buried finds, which enhances their multimedia diffusion and restoration, has gained relevance. As such sites often have a high level of structural complexity and complicated territorial geometries, accuracy in the creation of 3D models and the use of sophisticated algorithms for georadar data analysis are crucial. This research is the first step in a larger project aimed at reclaiming the ancient villages located in the Greek area of southern Italy. The present study focuses on the restoration of the village of Africo (RC), a village hit by past flooding. The survey began with a laser scan of the church of St. Nicholas, using both the Faro Focus3D and the Riegl LMS-Z420i laser scanner. At the same time, georadar analyses were carried out in order to pinpoint any buried objects. In the processing phase, our own MATLAB algorithms were used for both laser scanner and georadar datasets and the results compared with those obtained from the scanners’ respective proprietary software. We are working to develop a tourism app in both augmented and virtual reality environments, in order to disseminate and improve access to cultural heritage. The app allows users to see the 3D model and simultaneously access information on the site integrated from a variety of repositories. The aim is to create an immersive visit, in this case, to the church of St. Nicholas.

Highlights:

  • Use of different algorithms for registration of terrestrial laser scans and analysis of the data obtained.

  • 3D acquisition, processing and restitution methodology from georadar data.

  • Implementation of a tourist app in both virtual and augmented reality by integrating geomatics methodologies.


Keywords

laser scanner; 3D modelling; ground penetrating radar (GPR); archaeological and historical structures; augmented reality (AR)

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Heritage  vol: 2  issue: 3  first page: 2243  year: 2019  
doi: 10.3390/heritage2030136



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Universitat Politècnica de València

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