Chinese character recognition: a twenty-five-year retrospective

摘要

The author assesses the current status of the field and places theproblem of Chinese recognition into perspective with other areas ofoptical character recognition. Early experiments are briefly reviewed,and sources of more up-to-date information, including review articles,are indicated, advances in computer technology are discussed that havehad a significant impact on the problem, and a sampling of relativelyrecent research on the classification of both printed and handprintedideographs is presented. Included in the discussion are techniques ofpreprocessing (character location and segmentation) and hierarchicalclassification