@inproceedings{ICPR-2012-LuKT,
	author        = "Guoliang Lu and Mineichi Kudo and Jun Toyama",
	booktitle     = "{Proceedings of the 21st International Conference on Pattern Recognition}",
	isbn          = "978-1-4673-2216-4",
	pages         = "3268--3271",
	publisher     = "{IEEE Computer Society}",
	title         = "{Action recognition via sparse representation of characteristic frames}",
	year          = 2012,
}