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Estimation of HMM parameters based on gradients

  • Letter
  • Published:
Journal of Electronics (China)

Abstract

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.

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Author information

Authors and Affiliations

  1. Department of Electronic Engineering, Shanghai Jiaotong University, 200030, Shanghai

    Mao Xiaoquan & Hu Guangrui

Authors
  1. Mao Xiaoquan
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  2. Hu Guangrui
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Cite this article

Mao, X., Hu, G. Estimation of HMM parameters based on gradients. J. of Electron.(China) 18, 277–280 (2001). https://doi.org/10.1007/s11767-001-0039-y

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  • DOI: https://doi.org/10.1007/s11767-001-0039-y

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