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Expressing Bayesian Fusion as a Product of Distributions: Applications in Robotics

Cédric Pradalier 1 Francis Colas 1 Pierre Bessière 1
1 E-MOTION - Geometry and Probability for Motion and Action
GRAVIR - IMAG - Graphisme, Vision et Robotique, Inria Grenoble - Rhône-Alpes
Abstract : More and more fields of applied computer science involve fusion of multiple data sources, such as sensor readings or model decision. However incompleteness of the models prevent the programmer from having an absolute precision over their variables. Therefore Bayesian framework can be adequate for such a process as it allows handling of uncertainty. We will be interested in the ability to express any fusion process as a product, for it can lead to reduction of complexity in time and space. We study in this paper various fusion schemes and propose to add a consistency variable to justify the use of a product to compute distribution over the fused variable. We will then show application of this new fusion process to localization of a mobile robot and obstacle avoidance.
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Submitted on : Friday, April 17, 2015 - 3:32:33 PM
Last modification on : Friday, June 26, 2020 - 4:04:02 PM
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Cédric Pradalier, Francis Colas, Pierre Bessière. Expressing Bayesian Fusion as a Product of Distributions: Applications in Robotics. IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2003, Las Vegas, United States. pp.1851--1856, ⟨10.1109/IROS.2003.1248913⟩. ⟨hal-00089247v2⟩



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