| 摘要 |
PURPOSE:To reduce the dictionary capacity, to improve a recognition speed and to reduce the cost of a device by dividing a dictionary into a global one and a detailed one. CONSTITUTION:A feature extraction part 12 extracts the structural feature and character height, etc., of a read-out character from an input part 10, which are transmitted to a recognizing part 14. The input character is recognized under the retrieval of the dictionary 16. It is divided into the global dictionary 16A and the detailed dictionary 16B, and the same characters having an overall font constitutions are registered in the dictionary 16A as one common character, and characters having similar font constitutions more than two fonts are registered in one common character in more than two fonts and in the dictionary 16B by font. The character different from other fonts is registered in the dictionary 16A by adding font information. The undefined input character is recognized by the dictionary 16B.
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