KEYWORDS: 3D modeling, Laser scanners, 3D acquisition, Data modeling, Sensors, Visualization, Cultural heritage, Glasses, Standards development, Photography
Despite the recent improvements and widespread of digital technologies and their applications in the field of Cultural
Heritage, nowadays Museums and Institutions still aren't encouraged to adopt digital procedures as a standard practice to
collect data upon the heritage they are called to preserve and promote. One of the main reasons for this lack can be
singled out in the high costs connected with these procedures and with their increasing due to difficulties connected with
digital survey of artifacts and artworks which present evident intrinsic complexities and peculiarities that cannot be
reconnected to recurrences. The aim of this paper is to show the results of a research conducted in order to find the most
suitable digital methodology and procedure to be adopted to collect geometric and radiometric data upon mosaics that
can straightforward both the preservation of the consistency of information about its geometry and the management of
huge amount of data. One of the most immediate application of digital 3d survey of mosaics is the substitution of plaster
casts that are usually built to add the third dimension to pictorial or photographic surveys before restoration interventions
in order to document their conservation conditions and ease reconstruction procedures. Moreover, digital 3d surveys of
mosaics allow to reproduce restoration interventions in digital environment able to perform reliable preliminary
evaluations; in addition, 3d reality-based models of mosaics can be used within digital catalogues or for digital
exhibitions and reconstruction aims.
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