http://www.cnr.it/ontology/cnr/individuo/prodotto/ID302240
X-ray shape-from-silhouette for three-dimensional modelling applied to ancient metallic handworks (Articolo in rivista)
- Type
- Label
- X-ray shape-from-silhouette for three-dimensional modelling applied to ancient metallic handworks (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.culher.2012.10.021 (literal)
- Alternative label
Poletto, Luca; Calliari, Irene; Ratti, Filippo; Simioni, Emanuele (2013)
X-ray shape-from-silhouette for three-dimensional modelling applied to ancient metallic handworks
in Journal of cultural heritage
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Poletto, Luca; Calliari, Irene; Ratti, Filippo; Simioni, Emanuele (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Natl Council Res Italy; University of Padua (literal)
- Titolo
- X-ray shape-from-silhouette for three-dimensional modelling applied to ancient metallic handworks (literal)
- Abstract
- The shape-from-silhouette algorithm has been applied to the reconstruction of the three-dimensional profile of metallic handworks from their X-ray absorption images. The acquisition technique is similar to tomography: several radiographies are taken all around the object, each of them is used to obtain the silhouette of the object at a given projection angle. Some reference points are placed on a structure that co-rotates with the object and are acquired on the X-ray images for calibration. The reconstruction algorithm gives finally the external three-dimensional appearance of the handwork. We present the analysis of a bronze pendant of 6th-7th centuries B.C. (Venetic area, Italy) completely hidden by corrosion products. The three-dimensional reconstruction shows that the pendant is a very elaborated piece, with two embraced figures that were completely invisible at the excavation. (C) 2013 Published by Elsevier Masson SAS. (literal)
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