语音识别中结合进化计算与MDI的HMM训练方法

来源 :系统工程理论与实践 | 被引量 : 0次 | 上传用户：guisq2

【摘要】

：

提出了将最小差别信息(MDI)和进化计算(EC)相结合引入到HMM的训练中去的方法.各个模型用个体来表示,个体的适应值采用模型的最小差别信息.这样借助于进化计算全局搜索的特点,

【出处】

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系统工程理论与实践

【发表日期】

：

2004年期

【关键词】

：

最小差别信息进化计算隐含马尔柯夫模型语音识别

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论文部分内容阅读

提出了将最小差别信息(MDI)和进化计算(EC)相结合引入到HMM的训练中去的方法.各个模型用个体来表示,个体的适应值采用模型的最小差别信息.这样借助于进化计算全局搜索的特点,能克服传统的MDI局部搜索的不足,从而得到系统的全局最优解.实验结果表明,该方法训练所得的系统识别率高于传统的MDI方法训练所得的系统.

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语音识别中结合进化计算与MDI的HMM训练方法

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