Matching Planar Features for Robot Localization

  • Authors:
  • Baptiste Charmette;Eric Royer;Frédéric Chausse

  • Affiliations:
  • LASMEA, université Blaise Pascal, Clermont Universites,;LASMEA, université Blaise Pascal, Clermont Universites,;LASMEA, université Blaise Pascal, Clermont Universites,

  • Venue:
  • ISVC '09 Proceedings of the 5th International Symposium on Advances in Visual Computing: Part I
  • Year:
  • 2009

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Abstract

Localizing a vehicle with a vision based system often requires to match and track landmarks whose position is known. This paper tries to define a new method to track some features in modeling them as local planar patches with a monocular camera. First a learning sequence is recorded to compute the planar features and their orientation around landmarks tracked on several views. Then in the localization part, camera pose is predicted and features are transformed to fit with the scene as seen by the camera. Landmarks can then easily be matched and position is computed more accurately. With this method many features can be tracked on longer sequences than with standard methods, even if the camera is moving away from the learning trajectory. This improves the localization.