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Robust 3D Action Recognition with Random Occupancy Patterns

  • Jiang Wang
  • Zicheng Liu
  • Jan Chorowski
  • Zhuoyuan Chen
  • Ying Wu
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7573)

Abstract

We study the problem of action recognition from depth sequences captured by depth cameras, where noise and occlusion are common problems because they are captured with a single commodity camera. In order to deal with these issues, we extract semi-local features called random occupancy pattern (ROP) features, which employ a novel sampling scheme that effectively explores an extremely large sampling space. We also utilize a sparse coding approach to robustly encode these features. The proposed approach does not require careful parameter tuning. Its training is very fast due to the use of the high-dimensional integral image, and it is robust to the occlusions. Our technique is evaluated on two datasets captured by commodity depth cameras: an action dataset and a hand gesture dataset. Our classification results are superior to those obtained by the state of the art approaches on both datasets.

Keywords

Action Recognition Depth Sequence Sparse Code Hand Gesture Recognition Depth Camera 
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 2012

Authors and Affiliations

  • Jiang Wang
    • 1
  • Zicheng Liu
    • 2
  • Jan Chorowski
    • 3
  • Zhuoyuan Chen
    • 1
  • Ying Wu
    • 1
  1. 1.Northwestern UniversityUSA
  2. 2.Microsoft ResearchUSA
  3. 3.University of LouisvilleUSA

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