@inproceedings{ICPR-v3-2006-KoshimizuTF,
	author        = "Hiroyasu Koshimizu and Yuji Tanaka and Takayuki Fujiwara",
	booktitle     = "{Proceedings of the 18th International Conference on Pattern Recognition, Volume 3}",
	doi           = "10.1109/ICPR.2006.896",
	isbn          = "0-7695-2521-0",
	pages         = "865--868",
	publisher     = "{IEEE Computer Society}",
	title         = "{OK-Quantization Theory — A Mathematical Theory of Quantization -}",
	year          = 2006,
}