@article{ Ren:2005: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",
  year = "2005",
  month = oct,
  journal = "ACM Transactions on Graphics",
  volume = "24",
  number = "4",
  publisher = "ACM Press",
}