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Augmented Reality System using Planar Natural Feature Detection and Its Tracking  

Lee, A-Hyun (Graduate School of Advanced Imaging Science, Multimedia, and Film, Chung-Ang University)
Lee, Jae-Young (Graduate School of Advanced Imaging Science, Multimedia, and Film, Chung-Ang University)
Lee, Seok-Han (Graduate School of Advanced Imaging Science, Multimedia, and Film, Chung-Ang University)
Choi, Jong-Soo (Graduate School of Advanced Imaging Science, Multimedia, and Film, Chung-Ang University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SP / v.48, no.4, 2011 , pp. 49-58 More about this Journal
Abstract
Typically, vision-based AR systems operate on the basis of prior knowledge of the environment such as a square marker. The traditional marker-based AR system has a limitation that the marker has to be located in the sensing range. Therefore, there have been considerable research efforts for the techniques known as real-time camera tracking, in which the system attempts to add unknown 3D features to its feature map, and these then provide registration even when the reference map is out of the sensing range. In this paper, we describe a real-time camera tracking framework specifically designed to track a monocular camera in a desktop workspace. Basic idea of the proposed scheme is that a real-time camera tracking is achieved on the basis of a plane tracking algorithm. Also we suggest a method for re-detecting features to maintain registration of virtual objects. The proposed method can cope with the problem that the features cannot be tracked, when they go out of the sensing range. The main advantage of the proposed system are not only low computational cost but also convenient. It can be applicable to an augmented reality system for mobile computing environment.
Keywords
augmented reality; markerless AR; object tracking; corner detecting;
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Times Cited By KSCI : 1  (Citation Analysis)
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