@inproceedings{ICPR-2014-WangWJ14a,
	author        = "Jun Wang and Shangfei Wang and Qiang Ji",
	booktitle     = "{Proceedings of the 22nd International Conference on Pattern Recognition}",
	doi           = "10.1109/ICPR.2014.786",
	isbn          = "978-1-4799-5208-3",
	pages         = "4594--4599",
	publisher     = "{IEEE}",
	title         = "{Early Facial Expression Recognition Using Hidden Markov Models}",
	year          = 2014,
}