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Applied Optics

Applied Optics


  • Vol. 37, Iss. 10 — Apr. 1, 1998
  • pp: 1820–1825

Lineal illuminating system for automatic x-y graphic colorimetric and texture testing

José A. Gómez Pedrero, Eusebio Bernabeu, and José A. Peñaranda  »View Author Affiliations

Applied Optics, Vol. 37, Issue 10, pp. 1820-1825 (1998)

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A lineal illuminating system based on an optical fiber array is studied. It can be applied to automatic industrial inspection systems, e.g., those used for chromatic classification of ceramic floor tiles. Improvement in the existing system’s performance is achieved by using a collimated beam, as shown by both photometric analysis and experimental results. This system has been implemented as part of a real-time controlling tool in a production line.

© 1998 Optical Society of America

OCIS Codes
(040.1240) Detectors : Arrays
(150.2950) Machine vision : Illumination

Original Manuscript: July 21, 1997
Revised Manuscript: October 17, 1997
Published: April 1, 1998

José A. Gómez Pedrero, Eusebio Bernabeu, and José A. Peñaranda, "Lineal illuminating system for automatic x-y graphic colorimetric and texture testing," Appl. Opt. 37, 1820-1825 (1998)

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  1. J. A. Peñaranda, “Sistema de visión artificial para la clasificación ‘on-line’ por color y textura de piezas de ‘Gres porcelanico’,” Ph.D. thesis (Universidad de Navarra, San Sebastian, Spain, 1997).
  2. J. A. Peñaranda, A. P. Pobil, M. A. Serna, “Classification system for pieces of Porcelanatto based on computer vision,” in Automated 3D and 2D Vision, R. Ahlers, D. W. Braggins, G. W. Kamerman, eds., Proc. SPIE2249, 339–348 (1994). [CrossRef]
  3. J. D. Rees, W. Lama, “Some radiometric properties of gradient-index fiber lenses,” Appl. Opt. 19, 1065–1069 (1990). [CrossRef]
  4. M. Kawazu, Y. Ogura, “Application of gradient-index fiber arrays to copying machines,” Appl. Opt. 19, 1105–1112 (1980). [CrossRef] [PubMed]
  5. Product Bulletin 4001 (Fostec Inc., 4950-C, Eisenhower Avenue, Alexandria, Va., 1995).

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