Adquisición y formación de imágenes multiespectrales de obras pictóricas
- Torres Arjona, Juan
- Vázquez Moliní, Daniel
- Antelo, Tomás
- Menéndez García, José Manuel
- Posse, Alberto
- Álvarez Fernández-Balbuena, Antonio
- Muñoz de Luna, Javier
- Vega, Carmen
- Egido Rodríguez, Marián del
ISSN: 2171-8814
Year of publication: 2012
Issue Title: ESPECIAL OPTOEL´11
Volume: 45
Issue: 2
Pages: 201-207
Type: Article
More publications in: Óptica pura y aplicada
Abstract
In this paper, a novel application for obtaining a set of multispectral images of paintings is introduced. The images are captured using a multispectral lens able to diffract the light in the near infrared spectrum. Each multispectral image is represented by a line of the painting in an interval of wavelengths. Thus, a method ables to estimate distances in the image and a focus calibration process in linear images have been designed. For obtaining a whole image, the camera is moved vertically in a very precise way. The images obtained offer a very useful tool for restorers and art historians which have information regarding the painting composition process. As well as the system description, a few enlightening results and new lines of investigation are showed.