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The general opinion of all participants was that it was possible to achieve precise detection and a delimitation/segmentation of faults. The problems posed by lighting, band speed and variations of the lower surface could be handled using available technology. Nevertheless, while deferred results were generally good in the case of classification or identification of faults, results obtained immediately tended to deteriorate. This led us to notice that there was a limit to the amount of information obtained from the image alone; production and product data would therefore be required to achieve good classification. The participants also indicated the advantages that would be gained from contextual data. Given the need for both non-image and image data for classification, real time classification is not necessary. Faults existing on a length of strip metal should be evaluated, and several seconds would then be available for analysis leading to classification.

Additional information

Authors: HADDAD A, IRSID, Maizières-lès-Metz (FR)
Bibliographic Reference: EUR 17807 FR (1997) 64pp., FS, ECU 11.50
Availability: Available from the (2)
ISBN: ISBN 92-828-1979-5
Record Number: 199810094 / Last updated on: 1998-03-09
Original language: fr
Available languages: fr