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Real-Time Human Pose Recognition in Parts from Single Depth Images

  • Jamie Shotton
  • Andrew Fitzgibbon
  • Mat Cook
  • Toby Sharp
  • Mark Finocchio
  • Richard Moore
  • Alex Kipman
  • Andrew Blake
Part of the Studies in Computational Intelligence book series (SCI, volume 411)

Abstract

This chapter describes a method to quickly and accurately predict 3D positions of body joints from a single depth image, using no temporal information. We take an object recognition approach, designing an intermediate body parts representation that maps the difficult pose estimation problem into a simpler per-pixel classification problem. Our large and highly varied training dataset allows the classifier to estimate body parts invariant to pose, body shape, clothing, etc.. Finally we generate confidence-scored 3D proposals of several body joints by reprojecting the classification result into world space and finding local modes of a 3D non-parametric density. The system runs at around 200 frames per second on consumer hardware. Our evaluation shows high accuracy on both synthetic and real test sets, and investigates the effect of several training parameters.We achieve state of the art accuracy in our comparison with related work and demonstrate improved generalization over exact whole-skeleton nearest neighbor matching.

Keywords

Body Part Training Image Depth Image Depth Camera Body Joint 
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 Berlin Heidelberg 2013

Authors and Affiliations

  • Jamie Shotton
    • 1
  • Andrew Fitzgibbon
    • 1
  • Mat Cook
    • 1
  • Toby Sharp
    • 1
  • Mark Finocchio
    • 1
  • Richard Moore
    • 1
  • Alex Kipman
    • 1
  • Andrew Blake
    • 1
  1. 1.Microsoft Research Cambridge and Xbox IncubationCambridgeUK

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