@inproceedings{ICDAR-2001-HuangTSX,
	author        = "Weihua Huang and Chew Lim Tan and Sam Yuan Sung and Yi Xu",
	booktitle     = "{Proceedings of the Sixth International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.2001.953868",
	isbn          = "0-7695-1263-1",
	pages         = "640--644",
	publisher     = "{IEEE Computer Society}",
	title         = "{Vertical Bar Detection for Gauging Text Similarity of Document Images}",
	year          = 2001,
}