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Human Attributes from 3D Pose Tracking

  • Leonid Sigal
  • David J. Fleet
  • Nikolaus F. Troje
  • Micha Livne
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6313)

Abstract

We show that, from the output of a simple 3D human pose tracker one can infer physical attributes (e.g., gender and weight) and aspects of mental state (e.g., happiness or sadness). This task is useful for man-machine communication, and it provides a natural benchmark for evaluating the performance of 3D pose tracking methods (vs. conventional Euclidean joint error metrics). Based on an extensive corpus of motion capture data, with physical and perceptual ground truth, we analyze the inference of subtle biologically-inspired attributes from cyclic gait data. It is shown that inference is also possible with partial observations of the body, and with motions as short as a single gait cycle. Learning models from small amounts of noisy video pose data is, however, prone to over-fitting. To mitigate this we formulate learning in terms of domain adaptation, for which mocap data is uses to regularize models for inference from video-based data.

Keywords

Domain Adaptation Biological Motion Human Attribute Transfer Learning Gait Recognition 
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 2010

Authors and Affiliations

  • Leonid Sigal
    • 1
    • 3
  • David J. Fleet
    • 1
  • Nikolaus F. Troje
    • 2
  • Micha Livne
    • 1
  1. 1.Department of Computer ScienceUniversity of Toronto 
  2. 2.Department of Psychology and School of ComputingQueen’s University 
  3. 3.Disney ResearchPittsburgh

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