@inproceedings{ICPR-v2-2002-GuillametSV,
	author        = "David Guillamet and Bernt Schiele and Jordi Vitrià",
	booktitle     = "{Proceedings of the 16th International Conference on Pattern Recognition, Volume 2}",
	doi           = "10.1109/ICPR.2002.1048251",
	isbn          = "0-7695-1695-5",
	pages         = "116--119",
	publisher     = "{IEEE Computer Society}",
	title         = "{Analyzing Non-Negative Matrix Factorization for Image Classification}",
	year          = 2002,
}