Cargando…

Spectral Image Processing for Museum Lighting Using CIE LED Illuminants

This work presents a spectral color-imaging procedure for the detailed colorimetric study of real artworks under arbitrary illuminants. The results demonstrate this approach to be a powerful tool for art and heritage professionals when deciding which illumination to use in museums, or which conserva...

Descripción completa

Detalles Bibliográficos
Autores principales: Martínez-Domingo, Miguel Ángel, Melgosa, Manuel, Okajima, Katsunori, Medina, Víctor Jesús, Collado-Montero, Francisco José
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6960837/
https://www.ncbi.nlm.nih.gov/pubmed/31817910
http://dx.doi.org/10.3390/s19245400
_version_ 1783487861591375872
author Martínez-Domingo, Miguel Ángel
Melgosa, Manuel
Okajima, Katsunori
Medina, Víctor Jesús
Collado-Montero, Francisco José
author_facet Martínez-Domingo, Miguel Ángel
Melgosa, Manuel
Okajima, Katsunori
Medina, Víctor Jesús
Collado-Montero, Francisco José
author_sort Martínez-Domingo, Miguel Ángel
collection PubMed
description This work presents a spectral color-imaging procedure for the detailed colorimetric study of real artworks under arbitrary illuminants. The results demonstrate this approach to be a powerful tool for art and heritage professionals when deciding which illumination to use in museums, or which conservation or restoration techniques best maintain the color appearance of the original piece under any illuminant. Spectral imaging technology overcomes the limitations of common area-based point-measurement devices such as spectrophotometers, allowing a local study either pixelwise or by selected areas. To our knowledge, this is the first study available that uses the proposed CIE (Commission Internationale de l’Éclairage) light-emitting diode (LED) illuminants in the context of art and heritage science, comparing them with the three main CIE illuminants A, D50, and D65. For this, the corresponding colors under D65 have been calculated using a chromatic adaptation transform analogous to the one in CIECAM02. For the sample studied, the CIE LED illuminants with the lowest average CIEDE2000 color differences from the standard CIE illuminants are LED-V1 for A and LED-V2 for D50 and D65, with 1.23, 1.07, and 1.57 units, respectively. The work studied is a Moorish epigraphic frieze of plasterwork with a tiled skirting from the Nasrid period (12th–15th centuries) exhibited in the Museum of the Alhambra (Granada, Spain).
format Online
Article
Text
id pubmed-6960837
institution National Center for Biotechnology Information
language English
publishDate 2019
publisher MDPI
record_format MEDLINE/PubMed
spelling pubmed-69608372020-01-24 Spectral Image Processing for Museum Lighting Using CIE LED Illuminants Martínez-Domingo, Miguel Ángel Melgosa, Manuel Okajima, Katsunori Medina, Víctor Jesús Collado-Montero, Francisco José Sensors (Basel) Article This work presents a spectral color-imaging procedure for the detailed colorimetric study of real artworks under arbitrary illuminants. The results demonstrate this approach to be a powerful tool for art and heritage professionals when deciding which illumination to use in museums, or which conservation or restoration techniques best maintain the color appearance of the original piece under any illuminant. Spectral imaging technology overcomes the limitations of common area-based point-measurement devices such as spectrophotometers, allowing a local study either pixelwise or by selected areas. To our knowledge, this is the first study available that uses the proposed CIE (Commission Internationale de l’Éclairage) light-emitting diode (LED) illuminants in the context of art and heritage science, comparing them with the three main CIE illuminants A, D50, and D65. For this, the corresponding colors under D65 have been calculated using a chromatic adaptation transform analogous to the one in CIECAM02. For the sample studied, the CIE LED illuminants with the lowest average CIEDE2000 color differences from the standard CIE illuminants are LED-V1 for A and LED-V2 for D50 and D65, with 1.23, 1.07, and 1.57 units, respectively. The work studied is a Moorish epigraphic frieze of plasterwork with a tiled skirting from the Nasrid period (12th–15th centuries) exhibited in the Museum of the Alhambra (Granada, Spain). MDPI 2019-12-07 /pmc/articles/PMC6960837/ /pubmed/31817910 http://dx.doi.org/10.3390/s19245400 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Martínez-Domingo, Miguel Ángel
Melgosa, Manuel
Okajima, Katsunori
Medina, Víctor Jesús
Collado-Montero, Francisco José
Spectral Image Processing for Museum Lighting Using CIE LED Illuminants
title Spectral Image Processing for Museum Lighting Using CIE LED Illuminants
title_full Spectral Image Processing for Museum Lighting Using CIE LED Illuminants
title_fullStr Spectral Image Processing for Museum Lighting Using CIE LED Illuminants
title_full_unstemmed Spectral Image Processing for Museum Lighting Using CIE LED Illuminants
title_short Spectral Image Processing for Museum Lighting Using CIE LED Illuminants
title_sort spectral image processing for museum lighting using cie led illuminants
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6960837/
https://www.ncbi.nlm.nih.gov/pubmed/31817910
http://dx.doi.org/10.3390/s19245400
work_keys_str_mv AT martinezdomingomiguelangel spectralimageprocessingformuseumlightingusingcieledilluminants
AT melgosamanuel spectralimageprocessingformuseumlightingusingcieledilluminants
AT okajimakatsunori spectralimageprocessingformuseumlightingusingcieledilluminants
AT medinavictorjesus spectralimageprocessingformuseumlightingusingcieledilluminants
AT colladomonterofranciscojose spectralimageprocessingformuseumlightingusingcieledilluminants