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Xiaodong He

Xiaodong He, Natural Language Processing, Microsoft Research
E-mail: xiaohe@microsoft.com
Mail: One Microsoft Way, Redmond, WA 98052, USA
 

Background and interests

Xiaodong He is a researcher of the Natural Language Processing group of Microsoft Research. He received the BS degree from Tsinghua University (Beijing) in 1996, the MS degree from Chinese Academy of Sciences in 1999, and the PhD degree from University of Missouri - Columbia in 2003. His current research interests include statistical pattern recognition and machine learning, machine translation, speech recognition, and natural language processing. He is a member of ACL, IEEE, ISCA, and Sigma Xi.

Prior to joining NLP/MSR, he was with Microsoft Speech and Natural Language group from 2003 to 2006. He engaged in a wide range of speech recognition research and development activities including large vocabulary discriminative training, confidence measure, and model adaptation.

Publications

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    1.      " Discriminative Learning in Sequential Pattern Recognition –– A Unifying Review for Optimization-Oriented Speech Recognition ", Xiaodong He, Li Deng, Wu Chou, IEEE Signal Processing Magazine, Feature Article, to appear in 2008

    2.      "Using Word-Dependent Transition Models in HMM based Word Alignment for Statistical Machine Translation", Xiaodong He, ACL 07 2nd SMT workshop, 2007

    3.      "Training Non-Parametric Features for Statistical Machine Translation", Patrick Nguyen, Milind Mahajan and Xiaodong He, ACL 07 2nd SMT workshop, 2007

    4.      "Automatic Validation of Terminology Translation Consistency with Statistical Method", Masaki Itagaki, Takako Aikawa, Xiaodong He, MT Summit XI, 2007.

    5.      "Large-Margin Minimum Classification Error Training For Large-Scale Speech Recognition Tasks", Dong Yu, Li Deng, Xiaodong He, Alex Acero, ICASSP 2007

    6.      "Phone-Discriminating Minimum Classification Error (P-MCE) Training for Phonetic Recognition", Qiang Fu, Xiaodong He, Li Deng, Interspeech 2007

    7.      “A New Look at Discriminative Training for Hidden Markov Models,” Xiaodong He and Li Deng, Pattern Recognition Letters 2007

    8.      “Prior Knowledge Guided Maximum Expected Likelihood based Model Selection and Adaptation for Nonnative Speech Recognition,” Xiaodong He and Yunxin Zhao, Computer Speech and Language, 2007

    9.      " Microsoft Research Treelet Translation System: NIST MT Evaluation 06 ", X. He, A. Menezes, C. Quirk, A. Aue, S. Corston-Oliver, JF. Gao, and P. Nguyen. NIST Machine Translation Workshop, 2006.

    10.      "A Novel Learning Method for Hidden Markov Models in Speech and Audio Processing", Xiaodong He, Li Deng, and Wu Chou, IEEE MMSP 2006

    11.      "Robust Feature Space Adaptation For Telephony Speech Recognition", Xin Lei, Jon Hamaker, and Xiaodong He, InterSpeech, 2006

    12.   "Use of Incrementally Regulated Discriminative Margins in MCE Training for Speech Recognition", Yu Dong, Li Deng, Xiaodong He, and Alex Acero, InterSpeech, 2006

    13.    “Prior knowledge guided MEL based model selection and adaptation for nonnative speech recognition,” Xiaodong He and Yunxin Zhao, Proceedings of Int’l Conf. on Acoustics, Speech, and Signal Processing, 2004

    14.    “Fast Model Selection Based Speaker Adaptation for Nonnative Speech,” Xiaodong He and Yunxin Zhao, IEEE Transaction on Speech and Audio Processing. July 2003

    15.    “Minimum Classification Error Linear Regression for Acoustic Model Adaptation of Continuous Density HMMs,” Xiaodong He and Wu Chou, Proceedings of Int’l Conf. on Acoustics, Speech, and Signal Processing, 2003

    16.   “Minimum Classification Error (MCE) Model Adaptation of Continuous Density HMMs,” Xiaodong He and Wu Chou, Proceedings of European Conf. on Speech Communication and Technology, 2003

    17.    “Maximum a Posteriori Linear Regression (MAPLR) Variance Adaptation for Continuous Density HMMs,” Wu Chou and Xiaodong He, Proceedings of European Conf. on Speech Communication and Technology, 2003

    18.   “Maximum Expected Likelihood Based Model Selection and Adaptation for Nonnative English Speakers,” Xiaodong He and Yunxin Zhao, Proceedings of Int'l Conf. on Spoken Language Processing, 2002

    19.    “Fast model adaptation and complexity selection for nonnative English speakers,” Xiaodong He and Yunxin Zhao, Proceedings of Int’l Conf. on Acoustics, Speech, and Signal Processing, 2002

    20.    “Model Complexity Optimization for Nonnative English Speakers,” Xiaodong He and Yunxin Zhao, Proceedings of European Conf. on Speech Communication and Technology, 2001

    21.    “A Combined Adaptive and Decision Tree Based Speech Separation Technique for Telemedicine Applications,” Yunxin Zhao, Xiao Zhang, Xiaodong He, Laura Schopp, Proceedings of Int'l Conf. on Spoken Language Processing, 2000

    22.    “Research on Speech Units Modeling in Continuous Speech Recognition,” Xiaodong He, Jian Liu, Jianlai Zhou, Tiecheng Yu, Proceedings of European Conf. on Speech Communication and Technology, 1999

    23.    “A New Hybrid Structure of Speech Recognizer Based on HMM and Neural Network,” Jianlai Zhou, Xiaodong He, Tiecheng Yu, Fuyuan Mo, Proceedings of European Conf. on Speech Communication and Technology, 1999

    24.    “Study on Tone Classification of Chinese Continuous Speech in Speech Recognition System,” Jian Liu, Xiaodong He, Fuyuan Mo, Tiecheng Yu, Proceedings of European Conf. on Speech Communication and Technology, 1999

    25.    “Research on Segmentation and Labeling of Speech Corpora,” Xiaodong He, Jian Liu, Tiecheng Yu, Proceedings of Oriental COCOSDA, International Workshop on East-Asian Language Resource and Evaluation, 1999

    26.    “A Speaker independent vocabulary extensible Chinese speech recognition system,” Xiaodong He, Jianlai Zhou, Jian Liu, Tiecheng Yu, Proceedings of International Symposium on Machine Translation & Computer Language Information Processing, 1999

Thesis and other publications

    PhD dissertation, Model Selection based Speaker Adaptation and its Application to Nonnative Speech Recognition, University of Missouri-Columbia, 2003

    White paper, Recognition Confidence and Threshold Tuning, Microsoft Speech Server Newsletter - July 2004

Patents (US and/or International)

    1.      Confidence Threshold Tuning, with Li Jiang, Julian Odell, and Wei Zhang. (pending)

    2.       Speech Models Generated Using Competitive Training, Asymmetric Training, And Data Boosting, with Jian Wu. (pending)

    3.      Speech Recognition Using Adaptation and Prior Knowledge, with Xin Lei, Jonathan Hamaker, and Patrick Nguyen. (pending)

    4.      Identifying Language Origin of Words, with Min Chu, Yining Chen, Shiun-Zu Kuo, Kevin Feige, Yifan Gong, and Megan Riley (pending)

    5.      Use of incrementally regulated discriminative margins in mce training for speech recognition    with Dong Yu, Li Deng and Alex Acero(pending)

    6.      A new method of discriminative training for hidden Markov models  with Li Deng(pending)

    7.      Using Word Dependent Transition Models in HMM based Word Alignment for Statistical Machine Translation (pending)

    8.      Automatic Validation of Terminology Translation Consistency and Its Applications with Masaki Itagaki, Takako Aikawa(pending)

    9.      A Generic Framework For Large Margin MCE in Speech Recognition with Li Deng(pending)

    10.   Segment Discriminating Minimum Classification Error Pattern Recognition with Yu Dong, Li Deng, Xiaodong He, and Alex Acero(pending)

Technical Services

  • Program Committee Member: IEEE International Conference on Semantic Computing (ICSC) 2007
  • Program Committee Member: The Int’l Conf. on Internet & Multimedia Systems & Applications, 2005, 2006, 2007
  • Reviewer: IEEE Transactions on Speech and Audio Processing, IEEE Signal Processing Magazine, IEEE Signal Processing Letters, IEEE Transactions on Computer, Speech Communication, Pattern Recognition, Pattern Recognition Letters, ICASSP, Interspeech, ASRU, HLT

Honors and Awards

  • Gold Star Award from Microsoft, 2005
  • Patent awards from Microsoft in 2005-2007
  • Member of Sigma Xi since 2002
  • Award of student author grant, Int'l Conf. on Spoken Language Processing, 2002
  • Outstanding Academic Achievement Award, University of Missouri, 2001
  • Second Prize, the 14th "Challenge Cup" Sci & Tech Innovation Competition, Tsinghua University, 1996
  • Second Prize, the 13th "Challenge Cup" Sci & Tech Innovation Competition, Tsinghua University, 1995
  • Tsinghua – AIWA outstanding Sci. & Tech. Activities Award, 1995

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