@incollection{jia2006qp_tr,
  title={QP\_TR trust region blob tracking through scale-space with automatic selection of features},
  author={Jia, Jingping and Wang, Qing and Chai, Yanmei and Zhao, Rongchun},
  booktitle={Image Analysis and Recognition},
  pages={862--873},
  year={2006},
  publisher={Springer}
}