Subsurface imaging for panel paintings inspection

A comparative study of the ultraviolet, the visible, the Infrared and the terahertz spectra

A. Bendada, S. Sfarra, C. Ibarra-Castanedo, M. Akhloufi, J. P. Caumes, C. Pradere, J. C. Batsale, X. Maldague

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Infrared (IR) reflectography has been used for many years for the detection of underdrawings on panel paintings. Advances in the fields of IR sensors and optics have impelled the wide spread use of IR reflectography by several recognized Art Museums and specialized laboratories around the World. The transparency or opacity of a painting is the result of a complex combination of the optical properties of the painting pigments and the underdrawing material, as well as the type of illumination source and the sensor characteristics. For this reason, recent researches have been directed towards the study of multispectral approaches that could provide simultaneous and complementary information of an artwork. The present work relies on non-simultaneous multi-spectral inspection using a set of detectors covering from the ultraviolet to the terahertz spectra. It is observed that underdrawings contrast increases with wavelength up to 1700 nm and, then, gradually decreases. In addition, it is shown that IR thermography, i.e., temperature maps or thermograms, could be used simultaneously as an alternative technique for the detection of underdrawings besides the detection of subsurface defects.

Original languageEnglish
Pages (from-to)88-99
Number of pages12
JournalOpto-electronics Review
Volume23
Issue number1
DOIs
Publication statusPublished - 2015
Externally publishedYes

Fingerprint

Painting
inspection
Inspection
Infrared radiation
Imaging techniques
museums
thermograms
sensors
arts
Museums
Sensors
Opacity
pigments
opacity
Pigments
Transparency
Optics
coverings
Optical properties
Lighting

Keywords

  • Infrared thermography
  • Near infrared reflectography
  • Panel paintings inspection
  • Terahertz
  • Ultraviolet
  • Underdrawings/defects detection and characterization

ASJC Scopus subject areas

  • Radiation
  • Electrical and Electronic Engineering

Cite this

Subsurface imaging for panel paintings inspection : A comparative study of the ultraviolet, the visible, the Infrared and the terahertz spectra. / Bendada, A.; Sfarra, S.; Ibarra-Castanedo, C.; Akhloufi, M.; Caumes, J. P.; Pradere, C.; Batsale, J. C.; Maldague, X.

In: Opto-electronics Review, Vol. 23, No. 1, 2015, p. 88-99.

Research output: Contribution to journalArticle

Bendada, A. ; Sfarra, S. ; Ibarra-Castanedo, C. ; Akhloufi, M. ; Caumes, J. P. ; Pradere, C. ; Batsale, J. C. ; Maldague, X. / Subsurface imaging for panel paintings inspection : A comparative study of the ultraviolet, the visible, the Infrared and the terahertz spectra. In: Opto-electronics Review. 2015 ; Vol. 23, No. 1. pp. 88-99.
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