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Registration with a Zoom Lens Camera for Augmented Reality Applications

Gilles Simon 1 Marie-Odile Berger 1
1 ISA - Models, algorithms and geometry for computer graphics and vision
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : We focus in this paper on the problem of adding computer-generated objects in video sequences that have been shot with a zoom lens camera. While numerous papers have been devoted to registration with fixed focal length, little attention has been brought to zoom lens cameras. In this paper, we propose an efficient two-stage algorithm for handling zoom changing which are are likely to happen in a video sequence. We first attempt to partition the video into camera motions and zoom variations. Then, classical registration methods are used on the image frames labelled camera motion while keeping the internal parameters constant, whereas the zoom parameters are only updated for the frames labelled zoom variations. Results are presented demonstrating registration on various sequences. Augmented video sequences are also shown.
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Submitted on : Thursday, October 19, 2006 - 9:07:42 AM
Last modification on : Friday, February 4, 2022 - 3:20:06 AM
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  • HAL Id : inria-00107745, version 1



Gilles Simon, Marie-Odile Berger. Registration with a Zoom Lens Camera for Augmented Reality Applications. Second International Workshop on Augmented Reality, Oct 1999, San Francisco, CA, 10 p. ⟨inria-00107745⟩



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