Photometric stereo sensor for robot-assisted industrial quality inspection of coated composite material surfaces

Eva Weigl; Sebastian Zambal; Matthias Stöger; Christian Eitzinger

doi:10.1117/12.2182750

30 April 2015 Photometric stereo sensor for robot-assisted industrial quality inspection of coated composite material surfaces

Eva Weigl, Sebastian Zambal, Matthias Stöger, Christian Eitzinger

Author Affiliations +

Proceedings Volume 9534, Twelfth International Conference on Quality Control by Artificial Vision 2015; 95341D (2015) https://doi.org/10.1117/12.2182750
Event: The International Conference on Quality Control by Artificial Vision 2015, 2015, Le Creusot, France

Abstract

While composite materials are increasingly used in modern industry, the quality control in terms of vision-based surface inspection remains a challenging task. Due to the often complex and three-dimensional structures, a manual inspection of these components is nearly impossible. We present a photometric stereo sensor system including an industrial robotic arm for positioning the sensor relative to the inspected part. Two approaches are discussed: stop-and-go positioning and continuous positioning. Results are presented on typical defects that appear on various composite material surfaces in the production process.

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Eva Weigl, Sebastian Zambal, Matthias Stöger, and Christian Eitzinger "Photometric stereo sensor for robot-assisted industrial quality inspection of coated composite material surfaces", Proc. SPIE 9534, Twelfth International Conference on Quality Control by Artificial Vision 2015, 95341D (30 April 2015); https://doi.org/10.1117/12.2182750

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