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30 March 1995 Visual similarity analysis of Chinese characters and its uses in Japanese OCR
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Proceedings Volume 2422, Document Recognition II; (1995)
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1995, San Jose, CA, United States
Traditionally, a Chinese or Japanese optical character reader (OCR) has to represent each character category individually as one or more feature prototypes, or a structural description which is a composition of manually derived components such as radicals. Here we propose a new approach in which various kinds of visual similarities between different Chinese characters are analyzed automatically at the feature level. Using this method, character categories are related to each other by training on fonts; and character images from a text page can be related to each other based on the visual similarities they share. This method provides a way to interpret character images from a text page systematically, instead of a sequence of isolated character recognitions. The use of the method for post processing in Japanese text recognition is also discussed.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Tao Hong, Stephen W. Lam, Jonathan J. Hull, and Sargur N. Srihari "Visual similarity analysis of Chinese characters and its uses in Japanese OCR", Proc. SPIE 2422, Document Recognition II, (30 March 1995);


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