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Dr Xu Chen

I graduated in 2010 and I am no longer updating this old webpage. For my new webpage and latest work,

please visit: http://www-personal.umich.edu/~xhen

Current Position: Postdoctoral Fellow with Professor Alfred Hero

He is also working closely with Professor Silvio Savarese and Professor Zeeshan Syed.

University of Michigan at Ann Arbor, Department of Electrical Engineering and Computer Science, Ann Arbor, Michigan, USA.

PhD (09/2006-03/2010)

Department of Electrical & Computer Engineering
University of Illinois

Internship Experience:

 

Research Intern (05/2008-08/2008):

Ecole Polytechnique Federale de Lausanne (EPFL), Singal Processing Laboratories (LTS4) , in Lausanne, Switzerland.

Research Intern (05/2009-08/2009)

Kodak Research Lab, Eastman Kodak Company in Rochester, NY, USA

Xu Chen received the B.S.degree in Electrical Engineering in Shanghai Jiao Tong University (SJTU) in China ,2006. He received the M.S. degree and PhD degree at Electrical and Computer Engineering (ECE) Department in University of Illinois in 2008 and 2010. He is currently postdoctoral fellow in Department of Electrical Engineering and Computer Science in University of Michigan at Ann Arbor, MI. His research interests are computer vision, statistical signal processing, image and video indexing and retrieval, machine learning, optimization.

Book Chapter

1. Xiang Ma, Xu Chen, Dan Schonfeld and Ashfaq Khokhar, "Motion Content-based Video Retrieval, Classification and Summarization", Video Search and Mining in "Studies in Computational Intelligence" Series, Springer-Verlag, accepted, 2009. [pdf]

 

Journal Papers

1. Xu Chen, Dan Schonfeld and Ashfaq Khokhar, Localization and trajectory estimation of mobile object using minimum samples, IEEE Transactions on Vehicular Technology (TVT), Volume 58, Issue 8, 2009, pp 4439-4446.[pdf]

2. Xu Chen, Alfred Hero and Silvio Savarese, Multimodality video indexing and retrieval using directed information, IEEE Transactions on Multimedia Special Issue on Object and Event Classification in Large Scale Video Collections (TMM), Volume 14, No.1, 2012. [pdf]

3. Xu Chen, Madirakshi Das and Alexander Loui, "An Efficient Framework for Location-based Scene Matching in Image Databases ", International Journal of Multimedia Information Retrieval (IJMIR), accepted, 2012. [pdf]

4. Xu Chen, Dan Schonfeld and Ashfaq Khokhar, Null Space Invariants: Part 1: View Invariant Motion Trajectory Analysi and Image Classification and Retrieval, IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), revised, 2010.

5. Xu Chen, Dan Schonfeld and Ashfaq Khokhar, Robust Closed-form Tracking of Moving Targets Using a Single Sensor with Arbitrary Noise Degradation, European Journal of Signal Processing , 2011, under review.

6. Xu Chen, Dan Schonfeld, and Ashfaq Khokhar, Null-Space Invariants: Part 2: Localized Null-Space Representation for Dynamic Image and Video Databases, IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2009, submitted.

 

.

another two journal papers are to be submitted ....

 

Conference Papers

 

  1. Xu Chen, Zeeshan Syed and Alfred Hero, "EEG Spatial Decoding with Shrinkage Optimized Directed Information Assessment", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP'12), Kyoto, Japan, 2012, accepted.
  2. Xu Chen, Yilun Chen and Alfred Hero, " Shrinkage Fisher Information Embedding of High Dimensional Feature Distributions", Asilomar Conference on Signals, Systems and Computers, 2011. [pdf]
  3. Xu Chen and Alfred Hero, "Fisher Information Embedding for Video Indexing and Retrieval", SPIE Electronic Imaging Conference, Computational Imaging, San Jose, California, 2011. (Invited Paper) [pdf]
  4. Xu Chen, Dan Schonfeld and Ashfaq Khokhar, "Bilinear Invariant Representation for Video Classification and Retrieval", IEEE International Conference on Image Processing (ICIP'10), HongKong, 2010
  5. Xu Chen, Dan Schonfeld and Ashfaq Khokhar, "Non-linear Kernel Space Invariant Representation for View Invariant Motion Trajectory Retrieval and Classification",IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP'10), Dallas, TX, 2010 (Invited Paper).
  6. Xu Chen, Dan Schonfeld and Ashfaq Khokhar, "Localized Null Space Representation for Dynamic Updating and Downdating in Image and Video Databases," IEEE International Conference on Image Processing (ICIP'09), Cairo, Egypt, 2009.[pdf]
  7. Xu Chen, Madirakshi Das and Alexander Loui, " A Novel Framework for Fast Scene Matching in Consumer Image Collections", IEEE International Conference on Multimedia & Expo (ICME'10), 2010. [pdf]
  8. Xu Chen and Pascal Frossard, "Joint Reconstruction of Compressed Multi-view Images," IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP'09), Taibei, Taiwan, 2009.[pdf]
  9. Xu Chen, Dan Schonfeld and Ashfaq Khokhar, "View-Invariant Tensor Null Space Representation For Multiple Motion Trajectory Retrieval and Classification," IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP'09) (Invited Paper), Taibei, Taiwan, 2009.[pdf]
  10. Xu Chen, Dan Schonfeld and Ashfaq Khokhar, ''Robust multi-dimensional null space representation for image retrieval and classification,'' IEEE Conference on Image Processing (ICIP'08), San Diego, California, 2008.[pdf]
  11. Xu Chen, Dan Schonfeld and Ashfaq Khokhar, ''Robust null space representation and sampling for view invariant motion trajectory analysis,'' IEEE International Conference on Computer Vision and Pattern Recognition (CVPR'08), Anchorage, Alaska, 2008.[pdf] [software](acceptance rate 31.9%)
  12. Xu Chen, Dan Schonfeld and Ashfaq Khokhar, ''Robust closed-form localization of mobile targets using a single sensor based on a non-linear measurement model,'' IEEE International Workshop Singal Processing Advances in Wireless Communications (SPAWC'08), Recife, Pernambuco, Brazil, 2008. [pdf]
  13. Eser Ustunel, Xu Chen, Dan Schonfeld and Ashfaq Khokhar, ''Null space representation for view-invariant motion trajectory classification-recognition and indexing-retrieval,''IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP'08), Las Vegas, Nevada, 2008.[pdf]
  14. Xu Chen, Dan Schonfeld and Ashfaq Khokhar, ''Localization and trajectory estimation of mobile object with a single sensor,'' IEEE Statistical Singal Processing Workshop (SSP'07), Madison, Wisconsin, 2007.[pdf]

 

 

 

Contact Information:

Department of Electrical Engineering and Computer Science (EECS)
University of Michigan at Ann Arbor
Ann Arbor
Michigan, 48109
Email: xhen@umich.edu
URL:
http://www-personal.umich.edu/~xhen/