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Ballistic Hand Movements

  • V. Shiv Naga Prasad
  • Vili Kellokumpu
  • Larry S. Davis
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4069)

Abstract

Common movements like reaching, striking, etc. observed during surveillance have highly variable target locations. This puts appearance-based techniques at a disadvantage for modelling and recognizing them. Psychological studies indicate that these actions are ballistic in nature. Their trajectories have simple structures and are determined to a great degree by the starting and ending positions. We present an approach for movement recognition that explicitly considers their ballistic nature. This enables the decoupling of recognition from the movement’s trajectory, allowing generalization over a range of target-positions. A given movement is first analyzed to determine if it is ballistic. Ballistic movements are further classified into reaching, striking, etc. The proposed approach was tested with motion capture data obtained from the CMU MoCap database.

Keywords

Execution Plan Ballistic Movement Capture Sequence Motion Capture Data Communicative Gesture 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • V. Shiv Naga Prasad
    • 1
  • Vili Kellokumpu
    • 2
  • Larry S. Davis
    • 1
  1. 1.Perceptual Interfaces and Reality LaboratoryUniv. of Maryland – College ParkCollege ParkUSA
  2. 2.Machine Vision Group, Univ. of OuluOuluFinland

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