Abstract
Abstract. Following the collaboration agreement between the SAPIENZA, S.D.R.A. Department and the "Collectivité territoriale de Corse, secteur Archéologie", this project tried to set, accomplished on the archaeological site of the ancient roman city of Aléria, a complex program of selected dataset structured for many different uses and fruitions. As for any kind of survey, the initial project definition, described in this paper, constitutes the most delicate part of the work, in this instance a certain additional significance it has to be given to it, cause of the multiple interests focalized on the Aléria site, where a new digging season is expected after a sixty years long interruption. The process can be synthesized as follows: various surveying technologies were applied on the site, as 3D Laser scanning, Topography, and GPS; Dense Stereo Matching was accomplished on a sample object there excavated and actually exposed in the local Carcopino Museum, while Computational Photography techniques were realized on an object exposed in Rome in the Etruscan Museum of "Villa Giulia" as the other twin found and exposed in Aléria, to be a purpose for future collaborations. A GIS and WEBGIS workflow followed, using a specific application in its latest version, thus collecting all of the actual and previous documents, providing to build up a complete 3D geo-database with a space and time referenced 3D Web scene to share in the GIS online Cloud Platform. These applied procedures aim to spread the complex results, articulated in different sets on the social media world.
Highlights
Topography, and GPS; Dense Stereo Matching was accomplished on a sample object there excavated and exposed in the local Carcopino Museum, while Computational Photography techniques were realized on an object exposed in Rome in the Etruscan
Located near the hamlet of U Forte, The ancient city of Aléria is set on a remote tabular hill 3 km far from the sea (Figure 1.) The city center covers 6 acres which is the geographical epicenter of other ancient sites such as the Roman baths of Santa Laurina (400 m) and the pre-Roman necropolis of Casabianda (800 m) (Cesari, 2010)
The excavation process of modern Archaeology, to restitute the maximum of information, follows the strict rules of stratigraphy to state the sequence of actions and natural and human activities layered in a specific time and space boundary, singularly distinguished and related to each other
Summary
Consolidation even if part of stereo-photogrammetry family is the Dense Stereo Matching (DSM) technique, as an alternative. To reach a synthesized report, both published in 1963 From this critical more qualitative result, both models are linked together by the fault we decided to project a multi-resolution set of 3D survey use of targets, at most automatically recognized in both type of models focused either on the archeological site either on some software and measured with total stations and GPS for roman and pre-roman objects earlier retrieved, to make it part of global geo-referencing and easy GIS and WEB import. Scientifically affordable digital system to document, even By loading both Giga images in dedicated viewers it will be territories or Cultural Heritage artifacts, much younger and in possible to realize their direct comparison, a side by side or The even new opportunity of realizing an accurate 3D reconstruction of the geo-referenced site and its related surroundings, making all directly disposable on the WEB, has become one of the goals of this pilot-plan of research
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