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3D discrepancy check via augmented reality

 
: Kahn, Svenja; Wuest, Harald; Stricker, Didier; Fellner, Dieter W.

:

Höllerer, T. ; Institute of Electrical and Electronics Engineers -IEEE-, Technical Committee on Visualization and Graphics -TCVG-:
9th IEEE International Symposium on Mixed and Augmented Reality, ISMAR 2010 : Science & Technology Proceedings, 13-16 Oct. 2010, Seoul
Los Alamitos, Calif.: IEEE Computer Society Press, 2010
ISBN: 978-1-4244-9344-9
ISBN: 978-1-4244-9343-2
ISBN: 978-1-4244-9345-6
S.241-242
International Symposium on Mixed and Augmented Reality (ISMAR) <9, 2010, Seoul>
Englisch
Konferenzbeitrag
Fraunhofer IGD ()
3D reconstruction; 3D modeling; augmented reality (AR); time-of-flight camera (TOF camera); camera tracking; Forschungsgruppe Semantic Models, Immersive Systems (SMIS)

Abstract
For many tasks like markerless model-based camera tracking it is essential that the 3D model of a scene accurately represents the real geometry of the scene. It is therefore very important to detect deviations between a 3D model and a scene. We present an innovative approach which is based on the insight that camera tracking can not only be used for Augmented Reality visualization but also to solve the correspondence problem between 3D measurements of a real scene and their corresponding positions in the 3D model. We combine a time-of-flight camera (which acquires depth images in real time) with a custom 2D camera (used for the camera tracking) and developed an analysis-by-synthesis approach to detect deviations between a scene and a 3D model of the scene.

: http://publica.fraunhofer.de/dokumente/N-148641.html