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    • 22. 发明授权
    • Character recognizing apparatus, method, and storage medium
    • 字符识别装置,方法和存储介质
    • US06636636B1
    • 2003-10-21
    • US09004847
    • 1998-01-09
    • Eiji Takasu
    • Eiji Takasu
    • G06K972
    • G06K9/72G06K2209/01
    • It is an object of the invention to improve output precision of a final recognition result by further obtaining and applying a forward-chain probability in addition to a backward-chain probability in a Bi-gram statistic process, as a post-processing in the case where a plurality of candidate characters are outputted to one input pattern as a result of character recognition. An apparatus according to the invention has a backward-chain dictionary and a forward-chain dictionary of characters, obtains a chain probability from the i-th character to the (i+1)th character by using the backward-chain dictionary, further obtains a chain probability from the (i+1)th character to the i-th character by using the forward-chain dictionary, and selects the character of the final output result from a plurality of candidate characters on the basis of a value obtained by unifying those chain probabilities.
    • 本发明的目的是通过在Bi-gram统计过程中进一步获得和应用前向链概率以及后向链概率来提高最终识别结果的输出精度,作为该情况下的后处理 其中作为字符识别的结果将多个候选字符输出到一个输入图案。 根据本发明的装置具有反向链字典和字符的前向字典,通过使用反向链字典从第i个字符到第(i + 1)个字符获得链概率,进一步获得 通过使用前向链字典从第(i + 1)个字符到第i个字符的链概率,并且基于通过统一获得的值从多个候选字符中选择最终输出结果的字符 那些链概率。