Representation of occurrences for road vehicle traffic

  • Authors:
  • R. Gerber;H. -H. Nagel

  • Affiliations:
  • Institut für Algorithmen und Kognitive Systeme, Universität Karlsruhe (TH), 76128 Karlsruhe, Germany;Institut für Algorithmen und Kognitive Systeme, Universität Karlsruhe (TH), 76128 Karlsruhe, Germany

  • Venue:
  • Artificial Intelligence
  • Year:
  • 2008

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Abstract

Our 3D-model-based Computer Vision subsystem extracts vehicle trajectories from monocular digitized videos recording road vehicles in inner-city traffic. Steps are documented which import these quantitative geometrical results into a conceptual representation based on a Fuzzy Metric-Temporal Horn Logic (FMTHL, see [K.H. Schafer, Unscharfe zeitlogische Modellierung von Situationen und Handlungen in Bildfolgenauswertung und Robotik, Dissertation, 1996]). The facts created by this import step can be understood as verb phrases which describe elementary actions of vehicles in image sequences of road traffic scenes. The current contribution suggests a complete conceptual representation of elementary vehicle actions and reports results obtained by an implementation of this approach from real-world traffic videos.