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语料资源缺乏的连续语音识别方法的研究 被引量:9
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作者 伊·达瓦 匂坂芳典 中村哲 《自动化学报》 EI CSCD 北大核心 2010年第4期550-557,共8页
由于少数民族语言有其本身的特点,不能简单地套用现有的连续语音识别的方法.本文以蒙古语为例,研讨了声学和语言模型的建立,并在日本国际电气通信基础技术研究所的连续语音识别器上实现了蒙古语的语音识别系统.本文侧重于语言模型的建立... 由于少数民族语言有其本身的特点,不能简单地套用现有的连续语音识别的方法.本文以蒙古语为例,研讨了声学和语言模型的建立,并在日本国际电气通信基础技术研究所的连续语音识别器上实现了蒙古语的语音识别系统.本文侧重于语言模型的建立,基于蒙古语黏着性语言特点,提出用相似词聚类方法建立多类N-gram模型.实验结果显示,应用我们提出的语言模型,识别精度比用传统的词的N-gram识别法提高了5.5%. 展开更多
关键词 蒙古 黏着 相似词分类 连续语语音识别 多类言模型
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Improved hidden Markov model for speech recognition and POS tagging 被引量:4
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作者 袁里驰 《Journal of Central South University》 SCIE EI CAS 2012年第2期511-516,共6页
In order to overcome defects of the classical hidden Markov model (HMM), Markov family model (MFM), a new statistical model was proposed. Markov family model was applied to speech recognition and natural language proc... In order to overcome defects of the classical hidden Markov model (HMM), Markov family model (MFM), a new statistical model was proposed. Markov family model was applied to speech recognition and natural language processing. The speaker independently continuous speech recognition experiments and the part-of-speech tagging experiments show that Markov family model has higher performance than hidden Markov model. The precision is enhanced from 94.642% to 96.214% in the part-of-speech tagging experiments, and the work rate is reduced by 11.9% in the speech recognition experiments with respect to HMM baseline system. 展开更多
关键词 hidden Markov model Markov family model speech recognition part-of-speech tagging
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