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  • Applied Spectroscopy
  • Vol. 49,
  • Issue 4,
  • pp. 459-465
  • (1995)

Principal Component Analysis of Near-Infrared and Visible Spectra: An Application to a XIIth Century Italian Work of Art

A. Orlando, M. Picollo, B. Radicati, S. Baronti, and A. Casini

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Abstract

Statistical data processing was performed on the spectra of a painting recorded in the near-infrared (near-IR) and visible (Vis) region by a totally nondestructive method. Results are discussed also in connection with colorimetric analysis.

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