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Three-dimensional modeling using x-ray shape-from-silhouette |
Applied Optics, Vol. 50, Issue 19, pp. 3282-3288 (2011)
http://dx.doi.org/10.1364/AO.50.003282
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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.
© 2011 Optical Society of America
OCIS Codes
(100.6890) Image processing : Three-dimensional image processing
(100.6950) Image processing : Tomographic image processing
(110.7440) Imaging systems : X-ray imaging
ToC Category:
Image Processing
History
Original Manuscript: March 7, 2011
Revised Manuscript: April 15, 2011
Manuscript Accepted: April 30, 2011
Published: June 29, 2011
Virtual Issues
Vol. 6, Iss. 8 Virtual Journal for Biomedical Optics
Citation
Emanuele Simioni, Filippo Ratti, Irene Calliari, and Luca Poletto, "Three-dimensional modeling using x-ray shape-from-silhouette," Appl. Opt. 50, 3282-3288 (2011)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-50-19-3282
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