Robust feature extraction method based on run-length compensation for degraded character recognition.

Minoru Mori Minako Sawaki Norihiro Hagita Hiroshi Murase Naoki Mukawa Robust feature extraction method based on run-length compensation for degraded character recognition. 1-9 2004 35 Systems and Computers in Japan 9 http://dx.doi.org/10.1002/scj.10643 db/journals/scjapan/scjapan35.html#MoriSHMM04