Sueki Matsumura Tomonori Kobayashi Osamu Nakamura Kenji Ogura Document Input According to Recognition Accuracy of Handwritten Characters. 51-55 1997 conf/icdar/1997 ICDAR http://doi.ieeecomputersociety.org/10.1109/ICDAR.1997.619812 db/conf/icdar/icdar1997.html#MatsumuraKNO97