@inproceedings{ijcai2009p191,
  title     = {Boosting Constrained Mutual Subspace Method for Robust Image-Set Based Object Recognition},
  author    = {Li, Xi and Fukui, Kazuhiro and Zheng, Nanning},
  booktitle = {Proceedings of the Twenty-First International Joint Conference on
               Artificial Intelligence, {IJCAI-09}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Hiroaki Kitano},
  pages     = {1132--1136},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/191},
}