Minako Sawaki Hiroshi Murase Norihiro Hagita Automatic Acquisition of Context-based Image Templates for Degraded Character Recognition in Scene Images. 4015-4018 2000 ICPR http://csdl.computer.org/comp/proceedings/icpr/2000/0750/04/07504015abs.htm db/conf/icpr/icpr2000-4.html#SawakiMH00