@inproceedings{ICPR-2010-OnishiY,
	author        = "Masaki Onishi and Ikushi Yoda",
	booktitle     = "{Proceedings of the 20th International Conference on Pattern Recognition}",
	doi           = "10.1109/ICPR.2010.432",
	isbn          = "978-0-7695-4109-9",
	pages         = "1747--1750",
	publisher     = "{IEEE Computer Society}",
	title         = "{Visualization of Customer Flow in an Office Complex over a Long Period}",
	year          = 2010,
}