@inproceedings{ICPR-2010-Ramirez-OrtegonR,
	author        = "Marte A. Ramírez-Ortegón and Raúl Rojas",
	booktitle     = "{Proceedings of the 20th International Conference on Pattern Recognition}",
	doi           = "10.1109/ICPR.2010.500",
	isbn          = "978-0-7695-4109-9",
	pages         = "2029--2032",
	publisher     = "{IEEE Computer Society}",
	title         = "{Unsupervised Evaluation Methods Based on Local Gray-Intensity Variances for Binarization of Historical Documents}",
	year          = 2010,
}