Please use this identifier to cite or link to this item: https://doi.org/10.1145/1670252.1670292
Title: Computer vision centric hybrid tracking for augmented reality in outdoor urban environments
Authors: Fong, W.T.
Ong, S.K. 
Nee, A.Y.C. 
Keywords: Computer vision
GPS
Hybrid tracking
Inertial
Outdoor augmented reality
Issue Date: 2009
Source: Fong, W.T.,Ong, S.K.,Nee, A.Y.C. (2009). Computer vision centric hybrid tracking for augmented reality in outdoor urban environments. Proceedings - VRCAI 2009: 8th International Conference on Virtual Reality Continuum and its Applications in Industry : 185-190. ScholarBank@NUS Repository. https://doi.org/10.1145/1670252.1670292
Abstract: A hybrid tracking system, which integrates Computer Vision (CV), GPS and inertial sensing, is presented. It is designed for precise and jitter-free augmentation on feature-rich planar surfaces in outdoor urban environments. Two recently developed CV algorithms, namely keypoint signatures and Efficient Second-order Minimization, are central to achieving the precision and stability required. As CV tracking algorithms are not scalable to large environments and not completely robust, GPS and inertial sensing are used to define a limited search region to initialize CV tracking. The modifications of both CV algorithms for outdoor operations are presented, along with the design considerations for building the proposed hybrid tracker. Experimentation of the tracker and augmentation on real world surfaces are presented. Copyright © 2009 by the Association for Computing Machinery, Inc.
Source Title: Proceedings - VRCAI 2009: 8th International Conference on Virtual Reality Continuum and its Applications in Industry
URI: http://scholarbank.nus.edu.sg/handle/10635/73273
ISBN: 9781605589121
DOI: 10.1145/1670252.1670292
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