A Measure of Recognition Difficulty for a Character Image Database.

Jung-Tae Kim Sung Yang Bang A Measure of Recognition Difficulty for a Character Image Database. 996-1000 1997 conf/icdar/1997 ICDAR https://doi.org/10.1109/ICDAR.1997.620659 https://doi.ieeecomputersociety.org/10.1109/ICDAR.1997.620659 db/conf/icdar/icdar1997.html#KimB97