Issue |
2013
16th International Congress of Metrology
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|
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Article Number | 08002 | |
Number of page(s) | 7 | |
Section | Forme et Etat de surface / Surface texture and Form | |
DOI | https://doi.org/10.1051/metrology/201308002 | |
Published online | 07 October 2013 |
Mesurage de perçages imparfaits au défilé par vision industrielle
Laboratoire Le2i – UMR CNRS 6306, BP16, 89010, Auxerre Cedex, France
a Corresponding author: fabrice.mairesse@u-bourgogne.fr
Cet article traite de la mesure sur chaines de production par vision industrielle et plus particulierement du mesurage de percages sur panneaux manufactures. Pour cela, nous nous interessons aucontour de ces usinages a la surface du panneau. Ces formes sont communement considerees, en premiere approche, comme des cercles ou des ellipses ce qui peut etre assez eloigne de la realite notamment pour des materiaux compresses. D’autres phenomenes tels que l’environnement industriel et la chaine d’acquisition interferent egalement sur la qualite de l’image obtenue. Afin de repondre a cette problematique, les auteurs presentent une comparaison de differentes methodes d’estimation de cercles dans le cadre de deformations deformes. Une methode de correction de formes est proposee dans le but d’ameliorer la mesure. Les resultats obtenus montrent une amelioration significative de l’estimation des percages pour certains estimateurs et notamment dans les cas de percages de faible diametre apparent.
Abstract
This article deals with measurement on production lines by industrial vision. More precisely, it concerns the measurement of drillings on manufactured panels. We are interested in the contour of drillings in the panel plan. These forms can be considered, in a first approach, as circles or ellipses that are not true notably in compressed material. Others phenomena such as industrial environment and acquisition chain can also interfere on the image quality. In order to answer this problematic, the authors present a comparison of several measurement methods on distort circles. A method to regularize forms is proposed in order to increase measure quality. The results indicate that the validity of the measure obviously depends on the computation methods but also on the diameter of the drilling.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.