ESTIMATION OF HMM PARAMETERS BASED ON GRADIENTS

作     者：Mao Xiaoquan Hu Guangrui(Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200030) Mao Xiaoquan Hu Guangrui(Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200030)

作者机构：Department of Electronic Engineering Shanghai Jiaotong University Shanghai 

出 版 物：《Journal of Electronics(China)》 (电子科学学刊（英文版）)

年 卷 期：2001年第18卷第3期

页      面：277-280页

学科分类：0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 

主　　题：HMM Gradients 

摘      要：Based on the matrix representation, a new method is proposed to calculate the partial derivatives of the likelihood probability of an HMM with respect to its parameters. Experimental results are presented and a comparison is made with other methods.