LI XU

New homepage lxu. me

SenseTime Group Limited

Email: xuli@cse.cuhk.edu.hk, xuli@sensetime.com

Tel: (+852) 6437 2757(M)


PUBLICATIONS:

Google Scholar
Li Xu, Qiong Yan, Jiaya Jia, "A Sparse Control Model for Image and Video Editing" ACM Transactions on Graphics (TOG), 32(6): 197 (Proc. ACM SIGGRAPH ASIA 2013).

[project][paper]

Qiong Yan, Li Xu , Jiaya Jia, "Dense Scattering Media Removal" ACM SIGGRAPH ASIA 2013, Technical Briefs, 2013.

[paper][full technical report]

Shicheng Zheng, Li Xu , Jiaya Jia, "Forward Motion Deblurring" IEEE International Conference on Computer Vision (ICCV), 2013.

[project][paper]

Qiong Yan, Xiaoyong Shen, Li Xu, Shaojie Zhuo, Xiaopeng Zhang, Liang Shen, Jiaya Jia, "Cross-Field Joint Image Restoration vis Scale Map" IEEE International Conference on Computer Vision (ICCV), 2013.

[project][paper][supplementary material]

Li Xu, Shicheng Zheng, Jiaya Jia, "Unnatural L0 Sparse Representation for Natural Image Deblurring", IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2013.

[project][paper][supplementary material]

Qinog Yan, Li Xu, Jianping Shi, Jiaya Jia, "Hierarchical Saliency Detection", IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2013.

[project][paper][supplementary material][dataset]

Li Xu, Qiong Yan, Yang Xia, Jiaya Jia, "Structure Extraction from Texture via Relative Total Variation", ACM Transactions on Graphics (TOG), 31(6), 139, (Proc. ACM SIGGRAPH ASIA 2012), 2012.

[project][paper][matlab code]

Cewu Lu, Li Xu, Jiaya Jia, "Real-time Contrast Preserving Decolorization", ACM SIGGRAPH ASIA 2012 Technical Briefs, 2012.

[paper][matlab code (send me email)]

Chun-Ho Hung, Li Xu, Jiaya Jia, "Consistent Binocular Depth and Scene Flow with Chained Temporal Profiles", International Journal of Computer Vision (IJCV), accepted.

[project][paper][video]

Li Xu, Zhenlong Dai, Jiaya Jia, "Scale Invariant Optical Flow", European Conference on Computer Vision (ECCV), 2012.

[paper]

Cewu Lu, Li Xu, Jiaya Jia, "Combining Sketch and Tone for Pencil Drawing Production", International Symposium on Non-Photorealistic Animation and Rendering (NPAR), 2012. (Best Paper Award)

[project][paper][slides]

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][matlab code (send me email)]

Li Xu, Cewu Lu, Yi Xu, Jiaya Jia, "Image Smoothing via L0 Gradient Minimization", ACM Transactions on Graphics (TOG), 30(6), 174, (Proc. ACM SIGGRAPH ASIA 2011), 2011.

[project][video]
[software (GPU enabled)][matlab code][edge adjustment tool]

Li Xu, Jiaya Jia, Yasuyuki Matsushita,"Motion Detail Preserving Optical Flow Estimation", IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 34(9), 1744-1757, 2012.

[project][paper][software]

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%)

[project][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.

[project][paper][video][software]

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][software]

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]



HONORS & AWARDS:

Best Reviewer, ACCV 2012

Best Paper Award, NPAR 2012

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


PROFESSIONAL ACTIVITIES:

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)
The Visual Computer
Machine Vision and Applications
Journal of Mathematical Imaging and Vision
Robotics and Autonomous Systems
Signal, Image and Video Processing

Conference Reviewer/External Reviewer

CVPR 2010, 2011, ECCV 2010, 2012
ICCV 2011, ICPR 2012
Program Committee:  ACCV 2012, CVPR 2013
SIGGRAPH ASIA 2011, 2012, SIGGRAPH 2012
 

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:

Temporally Consistent Depth Estimation from Binocular Cameras, US Patent (In application)
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