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Proceedings Paper

Application of polarimetric imaging to 3D inspection of highly reflective metallic surfaces
Author(s): Olivier Morel; Christophe Stolz; Patrick Gorria
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Paper Abstract

In the field of industrial vision, extracting the 3D shape information of highly reflective metallic objects is still a delicate task. This paper presents a new application of "Shape from Polarization" method to specular metallic surfaces. Studying the state of polarization of the reflected light is very useful to get information on the normals of the surface. This article demonstrates how to extend the commonly used method for dielectric to metallic surfaces. Applications on shape defects detection are also discussed, and the efficiency of the system to discriminate defects on metallic objects made by stamping and polishing is presented.

Paper Details

Date Published: 16 December 2004
PDF: 8 pages
Proc. SPIE 5606, Two- and Three-Dimensional Vision Systems for Inspection, Control, and Metrology II, (16 December 2004); doi: 10.1117/12.571366
Show Author Affiliations
Olivier Morel, Le2i, CNRS, Univ. de Bourgogne (France)
Christophe Stolz, Le2i, CNRS, Univ. de Bourgogne (France)
Patrick Gorria, Le2i, CNRS, Univ. de Bourgogne (France)


Published in SPIE Proceedings Vol. 5606:
Two- and Three-Dimensional Vision Systems for Inspection, Control, and Metrology II
Kevin G. Harding, Editor(s)

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