电子工程系

Department of Electronic Engineering

欧智坚 博士 副研究员

电话:+86-10-62796193

传真:+86-10-62770317

电子邮箱: ozj AT tsinghua.edu.cn

个人主页:http://oa.ee.tsinghua.edu.cn/~ouzhijian/index.htm

 

研究领域

语音信号与信息处理(语音识别与理解,声源分离,说话人识别,自然语言处理等)

机器智能(特别是概率图模型理论及应用)。

 

奖励与荣誉

2012年,清华大学第五届青年教师教学大赛一等奖。

2010年,清华大学优秀班(级)主任一等奖。

2004年,特定内容音频识别系统(集成语音关键词识别、说话人识别、音频指纹)通过国家计算机网络与信息安全管理中心的评测。

2003年,赢得2003年度国家863语音识别评测-音节识别任务。

2002年,获清华大学电子系博士生学术论坛最佳论文奖。

 

学术成果

精选期刊论文

[1] Hui Lin, Zhijian Ou. Switching Auxiliary Chains for Speech Recognition. IEEE Signal Processing Letters, 2007, 14(8): 568~571.

[2] Xianyu Zhao, Zhijian Ou. Closely Coupled Array Processing and Model-Based Compensation for Microphone Array Speech Recognition. IEEE Transactions on Audio, Speech and Language Processing, 2007, 15(3): 1114~1122.

[3] Hui Lin, Zhijian Ou, Xi Xiao. Generalized Time-series Active Search with Kullback-Leibler Distance for Audio Fingerprinting. IEEE Signal Processing Letters, 2006, 13(8): 464~468.

[4] Jun Luo, Zhijian Ou. Efficient keyword spotting system for information retrieval. Journal on Communication (in Chinese), 2006, 27(2): 113~118.

[5] Xianyu Zhao, Zhijian Ou, Zuoying Wang. Using Vector Taylor Series with Noise Clustering for Speech Recognition in Non-stationary Noisy Environments. High Technology Letters, 2006, 12(1): 18~23.

[6] Xianyu Zhao, Zhijian Ou, Zuoying Wang. Using Word-Graph in Unsupervised Vector Taylor Series Algorithm for Robust Speech Recognition. High Technology Letters (in Chinese), 2004, 14: 17~22.

[7] Jun Luo, Zhijian Ou, Zuoying Wang. Eigenvoice-based MAP fast adaptation in correlation subspaces. Journal of Tsinghua University (in Chinese), 2004, 44(6): 829~832.

精选会议论文

[1] Zhijian Ou, Yang Zhang. Probabilistic acoustic tube: a probabilistic generative model of speech for speech analysis/synthesis. International Conference on Artificial Intelligence and Statistics (AISTATS), La Palma, Spain, 2012,4.

[2] Zhijian Ou, Kan Deng. Combining eigenvoice speaker modeling and VTS-based environment compensation for robust speech recognition. ICASSP, Kyoto, Japan, 2012,3.

[3] Nan Ding, Zhijian Ou. Variational nonparametric Bayesian hidden Markov model. In: Proc. ICASSP, Dallas, USA, 2010,3.

[4] Zhijian Ou, Jun Luo. Latent correlation analysis of HMM parameters for speech recognition. In: Proc. ICASSP, Hawaii, USA, 2007,4.

[5] Zhijian Ou, Zuoying Wang. Discriminative combination of multiple linear predictions for speech recognition. In: Proc. ICSLP, Jeju, Korea, 2004,10.