Coarsely Calibrated Visual Servoing of a Mobile Robot using a Catadioptric Vision SystemReport as inadecuate




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1 Lagadic - Visual servoing in robotics, computer vision, and augmented reality CRISAM - Inria Sophia Antipolis - Méditerranée , Inria Rennes – Bretagne Atlantique , IRISA-D5 - SIGNAUX ET IMAGES NUMÉRIQUES, ROBOTIQUE 2 UIUC - University of Illinois at Urbana Champaign

Abstract : A catadioptric vision system combines a camera and a mirror to achieve a wide field of view imaging system. This type of vision system has many potential applications in mobile robotics. This paper is concerned with the design of a robust image-based control scheme using a catadioptric vision system mounted on a mobile robot. We exploit the fact that the decoupling property contributes to the robustness of a control method. More precisely, from the image of a point, we propose a minimal and decoupled set of features measurable on any catadioptric vision system. Using the minimal set, a classical control method is proved to be robust in the presence of point range errors. Finally, experimental results with a coarsely calibrated mobile robot validate the robustness of the new decoupled scheme.





Author: R. Tatsambon Fomena - H. Yoon - Andrea Cherubini - F. Chaumette - S. Hutchinson -

Source: https://hal.archives-ouvertes.fr/



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