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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 42, Iss. 2 — Feb. 1, 1988
  • pp: 309–312

Subsurface Image Reconstruction by Near-Infrared Reflectance Analysis

Robert A. Lodder and Gary M. Hieftje

Applied Spectroscopy, Vol. 42, Issue 2, pp. 309-312 (1988)


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Abstract

A method is described for reconstructing decorative images concealed by layers of overcoatings. The method employs a nonparametric multivariate algorithm and a cellular-automaton construct to convert the near-infrared spectrum of a surface into digital images of the surface layers. The technique is potentially applicable to thé restoration of historic buildings where aging, previous restoration attempts, and even political considerations have resulted in the alteration of the original historic surfaces.

Citation
Robert A. Lodder and Gary M. Hieftje, "Subsurface Image Reconstruction by Near-Infrared Reflectance Analysis," Appl. Spectrosc. 42, 309-312 (1988)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-42-2-309

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