Handling Uncertain Sensor Data in Vision-Based Camera Tracking

  • Authors:
  • Michael Aron;Gilles Simon;Marie-Odile Berger

  • Affiliations:
  • LORIA - INRIA Lorraine, France;LORIA - UHP Nancy 1, France;LORIA - INRIA Lorraine, France

  • Venue:
  • ISMAR '04 Proceedings of the 3rd IEEE/ACM International Symposium on Mixed and Augmented Reality
  • Year:
  • 2004

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Abstract

A hybrid approach for real-time markerless tracking is presented. Robust and accuratetracking is obtained from the coupling of camera and inertial sensor data. Unlike previous approaches, we use sensor information only when the image-based system fails to track the camera. In addition, sensor errors are measured and taken into account at each step of our algorithm. Finally, we address the camera/sensor synchronization problem and propose a method to resynchronize these two devices online. We demonstrate our method in two example sequences that illustrate the behavior and benefits of the new tracking method.