He received his Ph.D. degree in Electronic Engineering from Xidian University in 2012. His current research interests include computer vision, deep learning and machine learning. During 2011 and 2014, he was a research intern with Dr. Gang Hua and Dr. Qi Tian. During 2013 and 2014, he was a visiting researcher in Department of Computer Science at the University of Texas at San Antonio. He has published papers on T-PAMI、TIP、PR, CVIU, IEEE CVPR, IEEE ICCV, and ACM Multimedia. He served as a reviewer for international journals such as TIP, TCSVT, PR, etc and international conferences such as IEEE CVPR, ICCV and ACM Multimedia.