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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 8 — Mar. 10, 1998
  • pp: 1299–1309

Multispectral imaging system for the mapping of pigments in works of art by use of principal-component analysis

S. Baronti, A. Casini, F. Lotti, and S. Porcinai  »View Author Affiliations


Applied Optics, Vol. 37, Issue 8, pp. 1299-1309 (1998)
http://dx.doi.org/10.1364/AO.37.001299


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Abstract

Image spectroscopy (IS) is an important tool for the noninvasive analysis of works of art. It generates a wide sequence of multispectral images from which a reflectance spectrum for each imaged point can be recovered. In addition, digital processing techniques can be employed to divide the images into areas of similar spectral behavior. An IS system designed and developed in our laboratory is described. The methodology used to process the acquired data integrates spectral analysis with statistical image processing: in particular, the potential of principal-component analysis applied in this area is investigated. A selection of the results obtained from a sixteenth-century oil-painted panel by Luca Signorelli is also reported.

© 1998 Optical Society of America

OCIS Codes
(300.0300) Spectroscopy : Spectroscopy

History
Original Manuscript: June 12, 1997
Revised Manuscript: October 17, 1997
Published: March 10, 1998

Citation
S. Baronti, A. Casini, F. Lotti, and S. Porcinai, "Multispectral imaging system for the mapping of pigments in works of art by use of principal-component analysis," Appl. Opt. 37, 1299-1309 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-8-1299

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