Three-dimensional modelling using X-ray shape-from-silhouette (Articolo in rivista)

Type
Label
  • Three-dimensional modelling using X-ray shape-from-silhouette (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Alternative label
  • E. Simioni, F. Ratti, I. Calliari, L. Poletto (2011)
    Three-dimensional modelling using X-ray shape-from-silhouette
    in Applied optics (2004)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • E. Simioni, F. Ratti, I. Calliari, L. Poletto (literal)
Pagina inizio
  • 3282 (literal)
Pagina fine
  • 3288 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 50 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Natl Res Council Italy, Inst Photon & Nanotechnol, I-35131 Padua, Italy [ 2 ] Univ Padua, Dept Chem Engn Proc, I-35131 Padua, Italy (literal)
Titolo
  • Three-dimensional modelling using X-ray shape-from-silhouette (literal)
Abstract
  • We present the application of the shape-from-silhouette technique to reconstruct the three-dimensional profile of ancient handworks from their x-ray absorption images. The acquisition technique is similar to tomography, since the images are taken all around the object while it is rotated. Some reference points are placed on a small and light structure corotating with the object, and are acquired on the images for calibration and registration. The reconstruction algorithm gives finally the three-dimensional appearance of the handwork. We present the analysis of a bronze pendant of VI-VII century 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. (literal)
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