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Research Papers

Registration Using Multiplanar Structures for Augmented Reality Systems

[+] Author and Article Information
Guan Tao

College of Hydropower and Information Engineering, Huazhong University of Science and Technology, Wuhan 430074, P.R.C.

Li Lijun, Wang Cheng

Digital Engineering and Simulation Research Center, Huazhong University of Science and Technology, Wuhan 430074, P.R.C.

J. Comput. Inf. Sci. Eng 8(4), 041002 (Oct 06, 2008) (6 pages) doi:10.1115/1.2987402 History: Received October 10, 2006; Revised June 18, 2007; Published October 06, 2008

This paper illustrates a novel registration method for augmented reality systems based on multiplanar structures and natural feature tracking. Our method distinguishes itself from other methods in the following ways: First, our method can use arbitrary multiple planes without any information on the physical relationship of the planes. Second, we put forward a new method to establish the world coordinate system. Compared with the traditional method, our approach needs only three noncollinear points of the real world and really enhances the usability of our system. Third, we propose novel classification based local and global tracking strategies to match features between reference images and the current frame directly. Our method casts off the requirement that the initial camera position should be close to the reference images while overcoming the problem of error accumulation. Some experiments have been carried out to demonstrate the validity of the proposed approach.

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Copyright © 2008 by American Society of Mechanical Engineers
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Figures

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Figure 1

Setting up the world coordinate system

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Figure 2

Homography based local feature matching strategy

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Figure 3

Examples in the first indoor experiment

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Figure 4

Examples in the second indoor experiment

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Figure 5

Examples in the outdoor experiment

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Figure 6

Comparison between the accurate 3D magnetic measuring device and our tracking system

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