@inproceedings{ICDAR-2007-RamirezTBR,
	author        = "M. Ramírez and Ernesto Tapia and Marco Block and Raúl Rojas",
	booktitle     = "{Proceedings of the Ninth International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.2007.212",
	isbn          = "978-0-7695-2822-9",
	pages         = "1158--1162",
	publisher     = "{IEEE Computer Society}",
	title         = "{Quantile Linear Algorithm for Robust Binarization of Digitalized Letters}",
	year          = 2007,
}