Human Body Tracking with Auxiliary Measurements

  • Authors:
  • Mun Wai Lee;Isaac Cohen

  • Affiliations:
  • -;-

  • Venue:
  • AMFG '03 Proceedings of the IEEE International Workshop on Analysis and Modeling of Faces and Gestures
  • Year:
  • 2003

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Abstract

This paper presents two techniques for improving human bodytracking within the particle filtering scheme. Both techniquesexplore the use of auxiliary measurements. The first technique usesoptical flow cues to improve the sampling distribution. The secondtechnique involves the detection of individual body parts, namelythe hand, head and torso; and using these detection results toprovide additional inference on subsets of state parameters. Thismethod enables the automatic initialization of state vector andallows recovering from tracking failures. These two methods improvethe overall accuracy, efficiency and robustness of human bodytracking as illustrated by the experimental results.