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Proceedings Paper

Registration correction in hybrid tracking for augmented reality
Author(s): Xinyu Li; Dongyi Chen
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Paper Abstract

One of the most important problems faced when building Augmented Reality (AR) systems is registration error. In mobile and outdoor AR systems, dynamic errors are the largest source of registration errors. Hybrid tracking is a key technique in combating the effects of dynamic errors. In this paper we present a multi-stage close-loop correction algorithm for reducing dynamic registration errors in AR system. The control law in this algorithm is based on 2D visual servoing or image-based camera control that allows control of a virtual camera to reduce registration error. The experimental results illustrate the effectiveness of this algorithm.

Paper Details

Date Published: 9 January 2008
PDF: 5 pages
Proc. SPIE 6794, ICMIT 2007: Mechatronics, MEMS, and Smart Materials, 67941C (9 January 2008); doi: 10.1117/12.784386
Show Author Affiliations
Xinyu Li, Univ. of Electronic Science and Technology of China (China)
Dongyi Chen, Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 6794:
ICMIT 2007: Mechatronics, MEMS, and Smart Materials

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