@inproceedings {babadi2009probabilistic, title = {Probabilistic estimation of Braille document parameters}, booktitle = {2009 16th IEEE International Conference on Image Processing (ICIP)}, year = {2009}, pages = {2001{\textendash}2004}, publisher = {IEEE}, organization = {IEEE}, author = {Babadi, Majid Yoosefi and Nasihatkon, Behrooz and Azimifar, Zohreh and Fieguth, Paul} }