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EnglishThe Geomatics techniques offer today very interesting opportunities for Cultural Heritage surveys. In this context the role of Photogrammetry is improved thanks to the development of new Image Matching algorithms and to the introduction of simplified digital tools that permit the realization of surveys for architectural or archaeological purposes, without stereoscopic skills, so not requiring expert photogrammetrists. This paper deals with methodologies and problems encountered during the photogrammetric survey of the “Rolandino dei Passaggieri” tomb in Bologna; different solutions were experimented using digital photogrammetric systems, in terms of data acquisition (semi-metric and digital cameras), data processing (monoscopic and stereoscopic plotting, with and without the use of Control Points, automatic surface model reconstruction) and representation (e.g. orthophotos, VRML object). The operative phases of surveying were described and solutions were compared in order to evaluate the accuracy and the reliability in restitution of the object shape.
| Titolo: | TRADITIONAL AND UNCONVENTIONAL PHOTOGRAMMETRIC TECHNIQUES FOR METRICAL DOCUMENTATION OF CULTURAL HERITAGE: THE EXAMPLE OF THE “ROLANDINO DEI PASSAGGIERI” TOMB (ST. DOMENICO SQUARE) SURVEY IN BOLOGNA |
| Autore/i: | GIRELLI, VALENTINA ALENA; TINI, MARIA ALESSANDRA; ZANUTTA, ANTONIO |
| Autore/i Unibo: | |
| Anno: | 2005 |
| Titolo del libro: | CIPA 2005 XX International Symposium, International Cooperation to Save the World's Cultuarl Heritage |
| Pagina iniziale: | 310 |
| Pagina finale: | 315 |
| Abstract: | The Geomatics techniques offer today very interesting opportunities for Cultural Heritage surveys. In this context the role of Photogrammetry is improved thanks to the development of new Image Matching algorithms and to the introduction of simplified digital tools that permit the realization of surveys for architectural or archaeological purposes, without stereoscopic skills, so not requiring expert photogrammetrists. This paper deals with methodologies and problems encountered during the photogrammetric survey of the “Rolandino dei Passaggieri” tomb in Bologna; different solutions were experimented using digital photogrammetric systems, in terms of data acquisition (semi-metric and digital cameras), data processing (monoscopic and stereoscopic plotting, with and without the use of Control Points, automatic surface model reconstruction) and representation (e.g. orthophotos, VRML object). The operative phases of surveying were described and solutions were compared in order to evaluate the accuracy and the reliability in restitution of the object shape. |
| Data prodotto definitivo in UGOV: | 11-ott-2005 |
| Appare nelle tipologie: | 4.01 Contributo in Atti di convegno |
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