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

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Publication Date
1998-04-01
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The Optical Society of America
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Abstract
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.
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© Optical Society of America. We thank Agustín González-Cano, Juan C. Martínez-Antón, and José Alonso for kind and useful comments. Also we thank Manuel Fuentes, Centro de Estudios e Investigaciones Técnicas, for concern for the project and kindness.
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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). 3. J. D. Rees, W. Lama, “Some radiometric properties of gradient-index fiber lenses,” Appl. Opt. 19, 1065–1069 (1990). 4. M. Kawazu, Y. Ogura, “Application of gradient-index fiber arrays to copying machines,” Appl. Opt. 19, 1105–1112 (1980). 5. Product Bulletin 4001 (Fostec Inc., 4950-C, Eisenhower Avenue, Alexandria, Va., 1995).
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