@inproceedings{ICPR-v3-2006-KawanakaFI,
	author        = "Haruki Kawanaka and Hironobu Fujiyoshi and Yuji Iwahori",
	booktitle     = "{Proceedings of the 18th International Conference on Pattern Recognition, Volume 3}",
	doi           = "10.1109/ICPR.2006.636",
	isbn          = "0-7695-2521-0",
	pages         = "826--829",
	publisher     = "{IEEE Computer Society}",
	title         = "{Human Head Tracking in Three Dimensional Voxel Space}",
	year          = 2006,
}