Fusion of inertial and visual: a geometrical observer-based approach

Abstract : The problem of combination between inertial sensors and CCD cameras is of paramount importance in various applications in robotics and autonomous navigation. In this paper we develop a totally geometric model for analysis of this problem, independently from a camera model and from the structure of the scene (landmarks etc.). This formulation can be used for data fusion in several inertial navigation problems. The estimation is then decoupled from the structure of the scene. We use it in the particular case of the estimation of the gyroscopes bias and we build a nonlinear observer which is easy to compute, provides an estimation of the biais, filters the image, and is by construction very robust to noise.
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Communication dans un congrès
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Silvère Bonnabel, Pierre Rouchon. Fusion of inertial and visual: a geometrical observer-based approach. Intelligent Systems and Automation: 2nd Mediterranean Conference on Intelligent Systems and Automation (CISA'09), Mar 2009, Tunisia. pp.54-58, ⟨10.1063/1.3106512⟩. ⟨hal-00485717⟩

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