Research Interests


Machine learning, big data analytics, artificial intelligence, computer vision, information retrieval,

     pattern recognition, multimedia information processing, optimization, and computational finance with

     special interests in large-scale unsupervised/semi-supervised/supervised/active learning, hashing,

     similarity/metric learning, sparse and robust learning, linear/nonlinear dimensionality reduction,

     probabilistic and computational graphical models, learning to rank, social network mining, mobile image

     search, image/video search, image/video classification, image/video super-resolution, face recognition,

     time series modeling and forecasting, and deep reinforcement learning.

Professional Experience

Stevens Institute of Technology, Hoboken, NJ, USA

Adjunct Faculty   Jan. 2015 - Date.

Teach the graduate course of Computer Vision.


Rensselaer Polytechnic Institute (RPI), Troy, NY, USA

Adjunct Faculty   Aug. 2014 - Date.

Teach the graduate course of Database Mining.


IBM T. J. Watson Research Center, Yorktown Heights, NY, USA

Research Staff Member  Nov. 2013 – Date.

Projects: large-scale and parallel machine learning, big data analytics.


IBM T. J. Watson Research Center, Yorktown Heights, NY, USA

Postdoctoral Fellow  Oct. 2012 – Oct. 2013.

Projects: learning to hash, similarity/metric learning, web image search, large-scale face recognition and verification.


Columbia University, New York, NY, USA

Research Assistant of Digital Video and Multimedia Lab, Sep. 2007 – Aug. 2012.

Projects: large-scale machine learning for classification and search.


IBM T. J. Watson Research Center, Hawthorne, NY, USA

Research Intern of Multimedia Research Group, May 2011 – Sep. 2011.

  Projects: data label denoising, scalable supervised learning with big data.


Kodak Research Laboratories, Rochester, NY, USA

Research Intern of Intelligent Systems Department, May 2010 – Aug. 2010.

Projects: web data retagging and reranking.

Awards and Honors

ACM SIGIR Best Paper Award Honorable Mention, 2017

ACM SIGIR Best Paper Award Honorable Mention, 2016

Elected into Marquis Who’s Who in America, 2015

CVPR Young Researcher Support Award, 2014
Best Paper Travel Award (one of three award papers) of IEEE International Symposium on Biomedical Imaging (ISBI), 2014
Jury Award (one of two winners) for best thesis of Department of Electrical Engineering, Columbia University, 2013
-- Established in 1991 for outstanding achievement by a graduate student in the areas of system communication or signal processing.
IBM Research Josef Raviv Memorial Postdoctoral Fellowship (one winner worldwide) 2012–2013
Facebook Fellowship (one of five winners worldwide) 2011–2012
Travel Grant Award from CVPR Doctoral Consortium 2012
Travel Grant Award from UCLA IPAM workshop on Large Scale Multimedia Search 2012
NSF Financial Travel Assistance Award from the 1st Sino-USA Summer School in Vision, Learning, and Pattern Recognition 2009
Columbia University Scholarship 2007–2011
Meritorious Winner (14%) in the 17th Annual Mathematical Contest in Modeling (MCM) 2001
Meritorious Winner (15%) in the 16th Annual Mathematical Contest in Modeling (MCM) 2000
First Prize (3.69%) in the 9th China Undergraduate Mathematical Contest in Modeling 2000
IDG’s China Computerworld Scholarship (one of 65 awardees in Mainland China) 2000


Associate Editor: IEEE Transactions on Circuits and Systems for Video Technology, Pattern Recognition (Elsevier), Journal of Visual Communication and Image Representation (Elsevier).

Guest Editor: ACM Transactions on Intelligent Systems and Technology, Neurocomputing (Elsevier).

Grant Proposal Reviewer: Panelist, US National Science Foundation Information & Intelligent Systems (IIS) Division, 2015/2014.

Area Chair: ICDM 2018, ACM MM 2018, ICPR 2018, NLPCC 2015.

Senior Program Committee Member: IJCAI 2018.

Program Committee Member:  ICLR 2018, SIGIR 2018, KDD 2018, VLDB 2018, ICML 2018/2017, NIPS 2017/2016, WWW 2016/2015, CVPR 2016/2015/2014/2013/2008/2007, ICCV 2015/2013/2011/2007, AAAI 2018/2017/2016/2015, IJCAI 2018/2017/2015/2013, ACM Multimedia 2015/2013, ACML 2013/2012, ECCV 2008, and ACCV 2007.

Conference Reviewer: NIPS 2015/2014/2013/2012, CVPR 2012/2011/2010/2009/2004, ECCV 2014/2012/2010, and ACM Multimedia  2012/2011/2010/2009.

Journal Reviewer: Journal of Machine Learning Research, IEEE Transactions on Pattern Analysis and Machine Intelligence,

IEEE Transactions on Image Processing, IEEE Transactions on Knowledge and Data Engineering, IEEE Transactions on Circuits and  

Systems for Video Technology, IEEE Transactions on Multimedia, IEEE Transactions on Systems, Man and Cybernetics,

IEEE Transactions on Geoscience and Remote Sensing, ACM Transactions on Intelligent Systems and Technology,

Computer Vision and Image Understanding, Machine Vision and Applications, Pattern Recognition, Information Retrieval,

Journal of Visual Communication and Image Representation, Computational Statistics & Data Analysis, Neurocomputing,

Signal Processing, Multimedia Tools and Applications, Sensors.

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