@inproceedings{ICPR-v4-2006-YuanMZL,
	author        = "Li Yuan and Zhichun Mu and Yu Zhang and Ke Liu",
	booktitle     = "{Proceedings of the 18th International Conference on Pattern Recognition, Volume 4}",
	doi           = "10.1109/ICPR.2006.1198",
	isbn          = "0-7695-2521-0",
	pages         = "501--504",
	publisher     = "{IEEE Computer Society}",
	title         = "{Ear Recognition using Improved Non-Negative Matrix Factorization}",
	year          = 2006,
}