Probabilistic Tracking and Recognition of Non-Rigid Hand Motion

  • Authors:
  • Huang Fei;Ian Reid

  • 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

Successful tracking of articulated hand motion is the firststep in many computer vision applications such as gesturerecognition. However the nonrigidity of the hand, complexbackground scenes, and occlusion make tracking a challengingtask. We divide and conquer tracking by decomposingcomplex motion into non-rigid motion and rigid motion.A learning-based algorithm for analyzing non-rigid motionis presented. In this method, appearance-based models arelearned from image data, and underlying motion patternsare explored using a generative model. Non-linear dynamicsof the articulation such as fast appearance deformationcan thus be analyzed without resorting to a complex kinematicmodel. We approximate the rigid motion as planarmotion which can be approached by a filtering method. Weunify our treatments of nonrigid motion and rigid motioninto a single, robust Bayesian framework and demonstratethe efficacy of this method by performing successful trackingin the presence of significant occlusion clutter.