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Identifying differences between CAD and physical mock-ups using AR

 
: Webel, Sabine; Becker, Mario; Stricker, Didier; Wuest, Harald

:

IEEE Computer Society; Institute of Electrical and Electronics Engineers -IEEE-; Association for Computing Machinery -ACM-; Virtual Reality Society of Japan:
ISMAR 2007, Sixth IEEE and ACM International Symposium on Mixed and Augmented Reality. Proceedings : Tue, Nov. 13 - Fri, Nov. 16, 2007, Nara-Ken New Public Hall, Nara, Japan
Los Alamitos, Calif.: IEEE Computer Society Press, 2007
ISBN: 978-1-4244-1749-0
pp.281-282
International Symposium on Mixed and Augmented Reality (ISMAR) <6, 2007, Nara>
English
Conference Paper
Fraunhofer IGD ()
Augmented reality (AR); application; CAD data; camera tracking; discrepancy check

Abstract
Since the last ten years product development in automotive industry is changing radically. Most physical mock-ups have vanished and are now replaced by digital ones. But they are still needed for final evaluations or issues, which cannot be adequately simulated. During their production, deviations from the CAD model may be made. Since digital and real mock-up must match for the further product development, the transfer of differences between physical and digital mock-up to the CAD format is a crucial issue. In this paper an Augmented Reality (AR) based tool-chain is presented, which allows matching the CAD data with real mock-ups and documents the differences between them. Essential functions like measurement and online construction are provided, allowing the end-users to create information in AR space and feeding them back into the CAD model.

: http://publica.fraunhofer.de/documents/N-65791.html