For the idea of poselets and for the H3D dataset please reference:

@InProceedings{BourdevMalikICCV09,
  author       = "Lubomir Bourdev and Jitendra Malik",
  title        = "Poselets: Body Part Detectors Trained Using 3D Human Pose Annotations",
  booktitle    = "International Conference on Computer Vision (ICCV)",
  year         = "2009",
  url          = "http://www.eecs.berkeley.edu/~lbourdev/poselets"
}