Japanese OCR Error Correction using Character Shape Similarity and Statistical Language Model Masaaki Nagata author 1998-08 text 36th Annual Meeting of the Association for Computational Linguistics and 17th International Conference on Computational Linguistics, Volume 2 Association for Computational Linguistics Montreal, Quebec, Canada conference publication nagata-1998-japanese-ocr 10.3115/980691.980721 https://aclanthology.org/P98-2152/ 1998-08 922 928