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Proceedings Paper

Online defects localization on mirrorlike surfaces
Author(s): Gaetan Delcroix; Denis Aluze; Fred Merienne; Bernard Lamalle; Patrick Gorria
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Paper Abstract

This paper deals with an on line defects detection system. This system is used for controlling surfaces reflecting as mirror. The originality of this work is the lighting used and the filter used to process the image. Developed lighting is a structured one. It is composed of a succession of luminous and dark stripes. Using this lighting, defects appear clearly on the images. Images obtained with this specific lighting are particular and very contrasted, for these reason an original filter, very easy to implement has been developed to process them. This filter looks like a morphological filter. Conception of the operator has been done in accordance to the knowledge of the shape of the defects to be detected. One of the important constraint of the system is the processing time, which must be very short to work on a standard PC at the flow rate of the industrial process.

Paper Details

Date Published: 8 March 1999
PDF: 9 pages
Proc. SPIE 3652, Machine Vision Applications in Industrial Inspection VII, (8 March 1999); doi: 10.1117/12.341151
Show Author Affiliations
Gaetan Delcroix, Univ. de Bourgogne (France)
Denis Aluze, Univ. de Bourgogne (France)
Fred Merienne, Univ. de Bourgogne (France)
Bernard Lamalle, Univ. de Bourgogne (France)
Patrick Gorria, Univ. de Bourgogne (France)


Published in SPIE Proceedings Vol. 3652:
Machine Vision Applications in Industrial Inspection VII
Kenneth W. Tobin; Ning S. Chang, Editor(s)

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