Direct model based visual tracking and pose estimation using mutual information

  • Authors:
  • Guillaume Caron;Amaury Dame;Eric Marchand

  • Affiliations:
  • INRIA Rennes/IRISA, Lagadic, Rennes, France and Université de Picardie Jules Verne, MIS Laboratory, Amiens, France;INRIA Rennes/IRISA, Lagadic, Rennes, France and University of Oxford, Active Vision Group, Oxford, United Kingdom;INRIA Rennes/IRISA, Lagadic, Rennes, France

  • Venue:
  • Image and Vision Computing
  • Year:
  • 2014

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Abstract

This paper deals with model-based pose estimation (or camera localization). We propose a direct approach that takes into account the image as a whole. For this, we consider a similarity measure, the mutual information. Mutual information is a measure of the quantity of information shared by two signals (or two images in our case). Exploiting this measure allows our method to deal with different image modalities (real and synthetic). Furthermore, it handles occlusions and illumination changes. Results with synthetic (benchmark) and real image sequences, with static or mobile camera, demonstrate the robustness of the method and its ability to produce stable and precise pose estimations.