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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 10 — May. 12, 2008
  • pp: 6794–6808

Hyperspectral fluorescence lidar imaging at the Colosseum, Rome: Elucidating past conservation interventions

L. Palombi, D. Lognoli, V. Raimondi, G. Cecchi, J. Hällström, K. Barup, C. Conti, R. Grönlund, A. Johansson, and S. Svanberg  »View Author Affiliations

Optics Express, Vol. 16, Issue 10, pp. 6794-6808 (2008)

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Fluorescence lidar techniques offer considerable potential for remote, non-invasive diagnostics of stone cultural heritage in the outdoor environment. Here we present the results of a joint Italian-Swedish experiment, deploying two hyperspectral fluorescence lidar imaging systems, for the documentation of past conservation interventions on the Colosseum, Rome. Several portions of the monument were scanned and we show that it was possible to discriminate among masonry materials, reinforcement structures and protective coatings inserted during past conservation interventions, on the basis of their fluorescence signatures, providing useful information for a first quick, large-scale in situ screening of the monument.

© 2008 Optical Society of America

OCIS Codes
(280.3640) Remote sensing and sensors : Lidar
(300.2530) Spectroscopy : Fluorescence, laser-induced
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(110.4234) Imaging systems : Multispectral and hyperspectral imaging
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Imaging Systems

Original Manuscript: January 25, 2008
Revised Manuscript: March 13, 2008
Manuscript Accepted: March 19, 2008
Published: April 28, 2008

L. Palombi, D. Lognoli, V. Raimondi, G. Cecchi, J. Hällström, K. Barup, C. Conti, R. Grönlund, A. Johansson, and S. Svanberg, "Hyperspectral fluorescence lidar imaging at the Colosseum, Rome: Elucidating past conservation interventions," Opt. Express 16, 6794-6808 (2008)

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