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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, 2002Accepted:March 4, 2003Published: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:S. Harasaki and H. 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.Data files:
Copyright© 2003 by Fuji Technology Press Ltd. and Japan Society of Mechanical Engineers. All right reserved.
