@inproceedings{ Ren:2004:LSF,
  author = "Liu Ren and Gregory Shakhnarovich and Jessica K. Hodgins and Hanspeter Pfister and Paul Viola",
  title = "Learning Silhouette Features for Control of Human Motion",
  booktitle = "Proceedings of the SIGGRAPH 2004 Conference on Sketches \& Applications",
  year = "2004",
  month = aug,
  location = "Los Angeles, California",
  publisher = "ACM Press",
}