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JRM Vol.15 No.3 pp. 263-270
doi: 10.20965/jrm.2003.p0263
(2003)

Paper:

Virtual Object Overlay onto Uncalibrated Camera Image Sequence Enabling Tracking of Natural Features

Shunsuke Harasaki* and Hideo Saito*,**

*Graduate School of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522 Japan

**"Information and Human Activity", PRESTO, Japan Science and Technology Corporation (JST), Tokyo, 108-0073 Japan

Received:
November 28, 2002
Accepted:
March 4, 2003
Published:
June 20, 2003
Keywords:
augmented reality, mixed reality, uncalibrated camera, projective geometry, natural feature tracking
Abstract

We discuss new geometric registration overlaying a virtual object onto an uncalibrated camera image sequence enabling extracting and tracking of natural features. To achieve correct registration, we apply a special space defined by two base images and trifocal tensors between base images and uncalibrated camera images. By extracting and tracking natural features, we construct augmented reality without markers whose 3D positions are known. Since we apply points and lines, fewer registration errors occur.

Cite this article as:
Shunsuke Harasaki and Hideo Saito, “Virtual Object Overlay onto Uncalibrated Camera Image Sequence Enabling Tracking of Natural Features,” J. Robot. Mechatron., Vol.15, No.3, pp. 263-270, 2003.
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