Digital Study and Web-based Documentation of the Colour and Gilding on Ancient Marble Artworks

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Date
2015
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IEEE
Abstract
Greek and Roman marble artworks have been deeply studied from a typological and stylistic point of view, while there is still a limited knowledge on the pigments, dyes, binders and technical expedients used by Roman artists. In a renewed scientific interest towards the ancient polychromy (colour and gilding), a digital methodological and multidisciplinary approach can provide valuable information to better investigate and understand this fundamental aspect and to get a complete sense on Greek and Roman marble artworks. Following this research direction, the paper proposes a systematic methodological process defined to detect, document and visualize the preserved (and in some cases the digital reconstructed) original colour and gilding on Roman marble sarcophagi (II-IV century AD). The process defines a working pipeline that, starting from the selection of the artefact to study, proposes a set of investigation steps to improve our knowledge of its original painting. These steps include the direct virtual inspection, the archaeological and historical research, the on-site scientific investigation by multispectral imaging, spectroscopic and elemental analysis (eventually supported by micro-invasive techniques performed in laboratory), the accurate polychrome surface acquisition by colour calibrated 2D images. All the data produced are integrated with a high-resolution 3D model to support enhanced analysis and comparison and to create a digital 3D polychrome reconstruction by virtual painting. Finally, all those data are also made accessible on the web by using a cutting edge platform for visual media publication and interactive 3D visualization. This systematic and multidisciplinary process was tested on the so-called 'Annona sarcophagus’' (Museo Nazionale Romano - Palazzo Massimo, inv. no. 40799).
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@inproceedings{
10.1109:DigitalHeritage.2015.7413877
, booktitle = {
International Congress on Digital Heritage - Theme 2 - Computer Graphics And Interaction
}, editor = {
Gabriele Guidi and Roberto Scopigno and Pere Brunet
}, title = {{
Digital Study and Web-based Documentation of the Colour and Gilding on Ancient Marble Artworks
}}, author = {
Siotto, Eliana
and
Palma, Gianpaolo
and
Potenziani, Marco
and
Scopigno, Roberto
}, year = {
2015
}, publisher = {
IEEE
}, ISBN = {
978-1-5090-0048-7
}, DOI = {
10.1109/DigitalHeritage.2015.7413877
} }
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