Abstract
Abstract. This paper shows an application of image-based 3D modelling concerning an interesting case study in the field of Cultural Heritage, a safe located in the Obellio Firmo domus in Pompeii (Italy), one of the largest and most complex houses in the ancient city. The object was strongly deformed by the eruption of Vesuvius in 79 A.D. and is currently protected by a permanent glass that helps to preserve it over time. The surveying activities and processing methodology is explained, based on Multi-View Structure from Motion technique, as well as the unconventional solution adopted during the images acquisition. Finally, an attempt will be presented to reconstruct the hypothetical original three-dimensional appearance and shape of the safe.
Highlights
The field of Cultural Heritage (CH) has nowadays an increasing interest in modern digital surveying techniques that allow the digital recording of the cultural inheritance
As far as the field of CH is concerned, the most used geomatic techniques for three-dimensional digitisation relies on digital photogrammetry and 3D scanning
Among the multitude of objects of great importance belonging to the site, this work is interested in the ancient safe located inside the Obellio Firmo domus, a house already the subject of a study conducted by the University of Bologna in agreement with the Archaeological Park of Pompeii (Silani et al, 2017)
Summary
The field of Cultural Heritage (CH) has nowadays an increasing interest in modern digital surveying techniques that allow the digital recording of the cultural inheritance. As far as the field of CH is concerned, the most used geomatic techniques for three-dimensional digitisation relies on digital photogrammetry and 3D scanning. Both the 3D surveying methodologies, are non-invasive and contactless, and the whole acquisition process is rapid and objective. The safe, seriously damaged during the eruption of Vesuvius but still well readable in its appearance and function, has been the subject of a detailed survey conducted by the nowadays most used image-based technique, close-range digital photogrammetry by Multi-View Structure from Motion approach. Digital close-range photogrammetry proved to be a suitable survey technique; the derived 3D model has been the base for an attempt to reconstruct the original three-dimensional appearance and shape of the safe
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