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Mathematical Problems in Engineering
Volume 2012 (2012), Article ID 460430, 15 pages
Research Article

Fisheye-Lens-Based Visual Sun Compass for Perception of Spatial Orientation

1College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
2College of Information Science and Technology, Beijing Normal University, Beijing 100875, China
3College of Computing and Communication Engineering, Graduate University of the Chinese Academy of Sciences, Beijing 100049, China

Received 11 October 2011; Accepted 9 December 2011

Academic Editor: Sheng-yong Chen

Copyright © 2012 Liang Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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