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Proceedings Paper

Rendering for machine vision prototyping
Author(s): Jacek Reiner
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Paper Abstract

Machine Vision systems for manufacturing quality inspection are interdisciplinary solutions including lighting, optics, cameras, image processing, segmentation, feature analysis, classification as well as integration with manufacturing process. The design and optimization of the above systems, especially image acquisition setup is mainly driven by experiment. This requires deep know-how and well equipped laboratory, which does not guarantee the optimal development process and results. This paper proposes novel usage of rendering, originating from 3D computer graphics, for machine vision prototyping and optimization. The invented technique and physically-based rendering aids selection or optimization of luminaires, tolerancing of mechanical construction and object handling, robustness predetermination or surface flaw simulation. The rendering setup utilizes mesh modeling, bump and normal mapping and light distribution sharpening with IES data files. The performed light simulation experiments for metal surfaces (face surface of bearing rollers) are validated.

Paper Details

Date Published: 27 September 2008
PDF: 8 pages
Proc. SPIE 7100, Optical Design and Engineering III, 710009 (27 September 2008); doi: 10.1117/12.802717
Show Author Affiliations
Jacek Reiner, Wroclaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 7100:
Optical Design and Engineering III
Laurent Mazuray; Jean-Luc Tissot; Jeffrey M. Raynor; Rolf Wartmann; Andrew Wood, Editor(s)

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