LI XU

Postdoctoral Fellow

Rm 1026, Ho Sin-Hang Engineering Building
Dept. of Computer Science and Engineering
The Chinese University of Hong Kong
Shatin, N.T., Hong Kong

Email: xuli@cse.cuhk.edu.hk

Tel: (+852) 6437 2757(M)


ABOUT ME:

Li XU received the BS and MS degrees in computer science and engineering from Shanghai JiaoTong University (SJTU) in 2004 (Honored Class) and 2007 respectively, and the PhD degree in 2010 in computer science and engineering from the Chinese University of Hong Kong (CUHK), where he is currently a postdoctoral fellow. He received the Microsoft Research Asia Fellowship Award in 2008. His research interests include motion estimation, motion deblurring, image/video analysis and enhancement.


PUBLICATIONS:

Li Xu, Jiaya Jia, "Depth-Aware Motion Deblurring", IEEE International Conference on Computational Photography (ICCP), 2012

[project][paper]

Cewu Lu, Li Xu, Jiaya Jia, "Contrast Preserving Decolorization", IEEE International Conference on Computational Photography (ICCP), 2012

[project][paper][software]

Li Xu, Cewu Lu, Yi Xu, Jiaya Jia, "Image Smoothing via L0 Gradient Minimization", ACM Transactions on Graphics, Vol. 30, No. 6 (Proc. ACM SIGGRAPH ASIA 2011), Dec. 2011.

[project][paper][video]

Li Xu, Jiaya Jia, Yasuyuki Matsushita,"Motion Detail Preserving Optical Flow Estimation", IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), to appear.

[project][paper]

Li Xu, Jiaya Jia, Sing Bing Kang, "Improving Sub-pixel Correspondence through Upsampling", Computer Vision and Image Understanding (CVIU), 116(2), 250-261, 2012.

[paper]

Li Xu, Jiaya Jia, "Two-Phase Kernel Estimation for Robust Motion Deblurring", European Conference on Computer Vision (ECCV), 2010.

[project][paper][supplementary material]
[software (GPU enabled)][blind deconvolution][non-blind deconvolution]

Li Xu, Jiaya Jia, Yasuyuki Matsushita, "Motion Detail Preserving Optical Flow Estimation", IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2010. (oral presentation, AR: 78/1724 ~4.5%)

[paper][technical report][software]

Li Xu, Jianing Chen, and Jiaya Jia, "A Segmentation Based Variational Model for Accurate Optical Flow Estimation", European Conference on Computer Vision (ECCV), 2008.

[paper][video]

Li Xu and Jiaya Jia, "Stereo Matching: An Outlier Confidence Approach", European Conference on Computer Vision (ECCV), 2008.

[paper]

Li Xu, Takayoshi Yamashita, Shihong Lao, Masato Kawade, Feihu Qi,"Online Real Boosting for Object Tracking under Severe Apprearance Changes and Occlusion", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2007.

[paper][video]

Li Xu, Feihu Qi, Renjie Jiang, "Shadow Removal from a Single Image", International Conference on Intelligent System Design and Applications (ISDA), 2006.

[paper]

Renjie Jiang, Feihu Qi, Li Xu, Guorong Wu, "Detecting and segmenting text from natural scenes with 2-stage classification", International Conference on Intelligent System Design and Applications (ISDA), 2006.

[paper][software]


Google Scholar

HONORS & AWARDS:

Best Teaching Assistant Certificate of Merit Award, 2009-2010

Booz & Company Social Venture Challenge Finalist (team leader), 2009

Microsoft Research Asia Fellowship Award, 2008

Oversea Research Intern Program of SJTU, 2006

Award for Exemption of National Graduate Entry Examinations,2004

Excellent Scholarship of SJTU (top 10% in Dept.of CSE), 2000-2004

Exceptional Student of SJTU (top 10% in Dept. of CSE), 2001, 2003


RESEARCH EXPERIENCES:

2008.6~2008.9 Microsoft Research Asia (Beijing)

Visual Computing

Work with Yasuyuki Matsushita


2006.6~2006.10 OMRON Keihanna Innovation Centre (Kyoto, Japan)

Sensing & Control Technology Laboratory/OKAO Vision

Work with Takayoshi Yamashita, Shihong Lao


2004.10~2006.4 Motorola China Research Centre (Shanghai)

Pattern Recognition Group

Work with Qingshan Chen


JOURNAL REVIEWER:

IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI)
International Journal on Computer Vision (IJCV)
IEEE Transactions on Image Processing (TIP)
Computer Vision and Image Understanding (CVIU)
Machine Vision and Applications
Robotics and Autonomous Systems
Signal, Image and Video Processing


TEACHING:

2009-2010

Spring

CSC3260 Principle of Computer Graphics

2009-2010

Fall

CSC5280 Image Processing and Computer Vision

2008-2009

Spring

CSC3280 Introduction to Multimedia Systems

2008-2009

Fall

CSC5280 Image Processing and Computer Vision

2008-2009

Fall

Mainland Students Mentorship Scheme

2007-2008

All Year

CSC1110 Introduction to Computing Using C


PATENTS:

Motion Deblurring with Two-phase Estimation, US Patent (In application), Provisional Application Filed.

Accurate Optical Flow Estimation, US Patent (In application), Provisional Application Filed.

Method for determining connection sequence of cascade classifiers with different features and specific threshold, PRC Patent 1920852