DocumentCode
294630
Title
Improved acoustic modeling for speech recognition using 2D Markov random fields
Author
Lucke, Helmut
Author_Institution
ATR Interpreting Telecommun. Res. Labs., Kyoto, Japan
Volume
1
fYear
1995
fDate
9-12 May 1995
Firstpage
540
Abstract
This paper argues that many HMM model inaccuracies are a direct consequence of the fact that the HMM is a one dimensional stochastic model applied to a two dimensional process. Thus we argue that a 2D stochastic process, known as a Markov random field (MRF) should perform better. We describe a training method for MRFs and analyze its convergence behavior
Keywords
acoustic signal processing; convergence of numerical methods; hidden Markov models; random processes; speech processing; speech recognition; stochastic processes; 2D Markov random fields; 2D stochastic process; HMM; acoustic modeling; convergence; one dimensional stochastic model; pattern discrimination; speech recognition; training method; two dimensional process; Convergence; Electronic mail; Filters; Frequency; Frequency domain analysis; Hidden Markov models; Linear predictive coding; Markov random fields; Random variables; Read only memory; Speech recognition; Stochastic processes; Tiles; Tires;
fLanguage
English
Publisher
ieee
Conference_Titel
Acoustics, Speech, and Signal Processing, 1995. ICASSP-95., 1995 International Conference on
Conference_Location
Detroit, MI
ISSN
1520-6149
Print_ISBN
0-7803-2431-5
Type
conf
DOI
10.1109/ICASSP.1995.479648
Filename
479648
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