@INPROCEEDINGS{NieblesFei-Fei2007,
  AUTHOR =       "Niebles, J.C. and Fei-Fei, L.",
  TITLE =        "A hierarchical model of shape and appearance for human action classification. ",
  BOOKTITLE =    "Proceedings of IEEE Intern. Conf. in Computer Vision and Pattern Recognition(CVPR).",
  YEAR =         "2007",
}