Before joining NTHU, he was a post-doctoral researcher in the Computer Science and Engineering department at the University of Washington (UW) working with Steve Seitz and Ali Farhadi. He graduated from the University of Michigan at Ann Arbor with a Ph.D. degree and Stanford University with a M. Sc. degree. His research interests include object recognition, human pose estimation, and scene understanding in both 2D and 3D. Most recently, he focuses on developing scalable methods for object categorization and video analysis in the age ofbig data. He has won the best paper award in 3DRR and was also a recipient of W. Michael Blumenthal Family Fund Fellowship.