Behavioral analysis of mobile robot trajectories using a point distribution model

  • Authors:
  • Pierre Roduit;Alcherio Martinoli;Jacques Jacot

  • Affiliations:
  • Swarm-Intelligent System Group (SWIS), École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland;Swarm-Intelligent System Group (SWIS), École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland;Laboratoire de Production Microtechnique (LPM-IPR), École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland

  • Venue:
  • SAB'06 Proceedings of the 9th international conference on From Animals to Animats: simulation of Adaptive Behavior
  • Year:
  • 2006

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Abstract

In recent years, the advent of robust tracking systems has enabled behavioral analysis of individuals based on their trajectories An analysis method based on a Point Distribution Model (PDM) is presented here It is an unsupervised modeling of the trajectories in order to extract behavioral features The applicability of this method has been demonstrated on trajectories of a realistically simulated mobile robot endowed with various controllers that lead to different patterns of motion Results show that this analysis method is able to clearly classify controllers in the PDM-transformed space, an operation extremely difficult in the original space The analysis also provides a link between the behaviors and trajectory differences.