Adaptive Road Recognition and Ego-state Tracking in the Presence of Obstacles

  • Authors:
  • Wlodzimierz Kasprzak;Heinrich Niemann

  • Affiliations:
  • Bavarian Research Center for Knowledge Based Systems, Knowledge Processing Research Group, Am Weichselgarten 7, D-91058 Erlangen. E-mail: kasprzak@forwiss.uni-erlangen.de, niemann@forwiss.uni-erl ...;Bavarian Research Center for Knowledge Based Systems, Knowledge Processing Research Group, Am Weichselgarten 7, D-91058 Erlangen. E-mail: kasprzak@forwiss.uni-erlangen.de, niemann@forwiss.uni-erl ...

  • Venue:
  • International Journal of Computer Vision
  • Year:
  • 1998

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Abstract

An approach to road recognition and ego-state tracking in monocularimage sequences of traffic scenes is described. The main contribution ofthis paper is the adaptive recognition scheme, which deals with competitiveroad hypotheses, and its application in several processing steps of an imagesequence analysis system. No manual initialization of the tracked road isrequired and the change of the road type is allowed. The road parameters tobe recognized are the road width, road lane number and road curvature. Forexact estimation of road curvature the translational and rotationalvelocities of the ego-car are assumed to be available. The estimated ego-state parameters are the camera orientation (which is derived due tovanishing point tracking) and the camera position relative to the roadcenter line.