Digital Reconstruction of Archaeological Sites and Monuments: Some Experiences in South-Eastern Sicily
Over the past few years, technological innovation has contributed to the development of the methodology to acquire, analyse, use and convey information about cultural heritage. Among all the possible methods for acquiring data, those related to 3D laser s
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Digital Reconstruction of Archaeological Sites and Monuments: Some Experiences in South-Eastern Sicily Cettina Santagati, Mariateresa Galizia and Graziana D’Agostino
Abstract Over the past few years, technological innovation has contributed to the development of the methodology to acquire, analyse, use and convey information about cultural heritage. Among all the possible methods for acquiring data, those related to 3D laser scanners (Time of flight or structured light) stand out. By using these technologies it is possible to sample, in a short time and with great accuracy, millions of points from real world objects obtaining a detailed 3D representation. This study presents the results of research carried out on archaeological sites and monuments of South-Eastern Sicily. The case studies presented belong to different type sites and they have been dealt with using methodological approaches chosen for the specific purposes of the study (restoration and conservation project, 3D reconstruction and visualisation, 3D documentation). The comparison between the different case studies might be the starting point for a new standardisation of digital representation of archaeological heritage objects and new methodological procedures.
Keywords Laser scanning 3D modelling struction Conservation Digital heritage
Virtual archaeology 3D recon-
C. Santagati (&) M. Galizia G. D’Agostino Laboratory of Architectural Photogrammetry and Survey ‘‘Luigi Andreozzi’’, Department of Architecture, The University of Catania, Viale Andrea Doria No. 6 95125 Catania, Italy e-mail: [email protected] M. Galizia e-mail: [email protected] G. D’Agostino e-mail: [email protected] E. Ch0 ng et al. (eds.), Visual Heritage in the Digital Age, Springer Series on Cultural Computing, DOI: 10.1007/978-1-4471-5535-5_11, Springer-Verlag London 2013
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11.1 Introduction Over the past few years, the growing interest of the scientific community, professionals and public corporations in the digital three-dimensional (3D) documentation of cultural heritage has led to several projects for the 3D acquisition, documentation, visualisation, conservation and restoration of large sites and monuments. Today, capturing accurate and detailed geometric models of real world objects by using range-based (3D laser and structured light scanning) and image-based modelling technologies has become a common process (Andreozzi 2003; Andreozzi 2007; Docci et al. 2001; Gaiani et al. 2000; Guidi et al. 2010; Migliari 2001; Russo et al. 2011; Stanco et al. 2011; Valentini et al. 2004). The use of these technologies allows for the creation of 3D models which are digital copies of real world objects on which each scholar could conduct various types of cognitive research. Moreover, 3D models are a precious, realistic and accurate documentation through which the object might be passed down to future generations. The intensive use of these technologies requires the identification of best practise for the definiti
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