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Bayesian Speech and Language Processing
, National Chiao Tung University
Date: Thursday, January 30, 2014
Time: 4:00 PM to 5:00 PM Note: all times are in the Eastern Time Zone
Refreshments: 3:45 PM
Host: Jim Glass, MIT CSAIL
Contact: Marcia G. Davidson, 617-253-3049, firstname.lastname@example.org
Speaker URL: None
TALK: Bayesian Speech and Language Processing
Speech and language processing involves extensive knowledge of statistical models which are learnt from observation data. However, the real-world observations are acquired from heterogeneous environments in presence of mislabeled, misaligned, mismatched and ill-posed conditions. The estimated models suffer from large complexity, ambiguity and uncertainty. Model regularization becomes a crucial issue when constructing speech and text models for different information systems. This talk will address our recent works on Bayesian and sparse learning for model regularization. In particular, I will present the Bayesian sensing hidden Markov models, group sparse hidden Markov models and Dirichlet class language models for speech recognition, and some other work on Bayesian nonparametrics.
Jen-Tzung Chien received his Ph.D. degree in electrical engineering from National Tsing Hua University, Hsinchu, Taiwan, in 1997. During 1997-2012, he was with the National Cheng Kung University, Tainan, Taiwan. Since 2012, he has been with the Department of Electrical and Computer Engineering, National Chiao Tung University, Hsinchu. He held the Visiting Researcher positions at the Panasonic Technologies Inc., Santa Barbara, CA, the Tokyo Institute of Technology, Tokyo, Japan, the Georgia Institute of Technology, Atlanta, GA, the Microsoft Research Asia, Beijing, China, and the IBM T. J. Watson Research Center, Yorktown Heights, NY. His research interests include machine learning, speech recognition, and information retrieval. Dr. Chien served as the associate editor of the IEEE Signal Processing Letters, in 2008-2011, the tutorial speaker of the ICASSP, in 2012, and the INTERSPEECH, in 2013. He was a co-recipient of the Best Paper Award of the IEEE Automatic Speech Recognition and Understanding Workshop in 2011.
Created by Marcia G. Davidson at Friday, January 24, 2014 at 5:49 PM.