Visual Data Fusion for Objects Localization by Active Vision

  • Authors:
  • Grégory Flandin;François Chaumette

  • Affiliations:
  • -;-

  • Venue:
  • ECCV '02 Proceedings of the 7th European Conference on Computer Vision-Part IV
  • Year:
  • 2002

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Abstract

Visual sensors provide exclusivelyuncertain and partial knowledge of a scene. In this article, we present a suitable scene knowledge representation that makes integration and fusion of new, uncertain and partial sensor measures possible. It is based on a mixture of stochastic and set membership models. We consider that, for a large class of applications, an approximated representation is sufficient to build a preliminary map of the scene. Our approximation mainlyresults in ellipsoidal calculus bymeans of a normal assumption for stochastic laws and ellipsoidal over or inner bounding for uniform laws. These approximations allow us to build an efficient estimation process integrating visual data on line. Based on this estimation scheme, optimal exploratorymotions of the camera can be automatically determined. Real time experimental results validating our approach are finally given.