I am working as a Senior Applied Researcher in Sony US Research Center at San Jose from Jun. 2009. Before that, I obtained my Ph.D. degree in Image and Video Processing Lab at EECS department of Northwestern University. My Ph.D. advisor is Prof. Ying Wu. I got my B.E. and M.S. degrees from the Electrical Engineering Department of Tsinghua University, Beijing, China in 2001 and 2004, respectively, under the supervision of Prof. Yu-Jin Zhang. I am interested in challenging problems in image/video processing, computer vision, machine learning and computer graphics.