@inproceedings{ICDAR-2001-NatteeN,
	author        = "Cholwich Nattee and Masayuki Numao",
	booktitle     = "{Proceedings of the Sixth International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.2001.953860",
	isbn          = "0-7695-1263-1",
	pages         = "602--606",
	publisher     = "{IEEE Computer Society}",
	title         = "{Geometric Method for Document Understanding and Classification Using On-line Machine Learning}",
	year          = 2001,
}