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Calibration de camera fondée sur les ellipses

Abstract : We present an ellipse-based camera calibration. Correct measures in the image are required to perform the camera model estimation. We suggest a technique, based upon surface photometry, allowing to compute robustly and accurately the moments of a shape in an image, and use them as inputs for the estimation algorithm. Connections between the specification of a 3D-ellipse, the moments of its image and calibration parameters are described. These equations are partially extended to models including distortions. Then, the parameters estimation is a non linear problem solved by an iterative algorithm. Tests with synthetic and real images are described and discussed for different camera models.
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Submitted on : Wednesday, May 24, 2006 - 3:22:48 PM
Last modification on : Thursday, February 3, 2022 - 11:17:14 AM
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  • HAL Id : inria-00074471, version 1



Jean-Philippe Tarel. Calibration de camera fondée sur les ellipses. [Rapport de recherche] RR-2200, INRIA. 1994, pp.30. ⟨inria-00074471⟩



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