Christoph Ringlstetter Klaus U. Schulz Stoyan Mihov Katerina Louka The Same is Not The same - Post Correction of Alphabet Confusion Errors in Mixed-Alphabet OCR Recognation. 406-410 2005 conf/icdar/2005 ICDAR http://doi.ieeecomputersociety.org/10.1109/ICDAR.2005.240 db/conf/icdar/icdar2005.html#RinglstetterSML05