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On the Influence of Fixing the Principal Point in Frame-by-Frame Multiplanar Calibration

Javier-Flavio Vigueras 1 Marie-Odile Berger 1 Gilles Simon 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 : Calibrating sequences where a camera moves without zooming is often considered as a pure viewpoint estimation problem. Here, we demonstrate that considering varying principal point while keeping the focal length constant allows us to obtain a reprojection error similar to the one obtained with full calibration while imposing existing constraints on the camera (no zooming). Then, we propose a robust calibration process which can be used for any scene that contains planar structures. Robustness is obtained by estimating independently the principal point position and the viewpoint.
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Submitted on : Thursday, October 19, 2006 - 9:08:59 AM
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  • HAL Id : inria-00107779, version 1



Javier-Flavio Vigueras, Marie-Odile Berger, Gilles Simon. On the Influence of Fixing the Principal Point in Frame-by-Frame Multiplanar Calibration. International Conference on Pattern Recognition - ICPR'2004, 2004, Cambridge, Royaume Uni, 4 p. ⟨inria-00107779⟩



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