received the B. Eng. degree from Xi'an Highway University, Xi'an, China, in 1998, the M.S. degree from the Gansu University of Technology, Lanzhou, China, in 2001, and the Ph.D. degree from Northwestern Polytechnical University, Xi'an China, in 2005. He was an associate research with the Biometrics Center, The Hong Kong Polytechnic University, Hong Kong from 2006 to 2007. From 2015 to 2016, he was a visiting scholar with the department of computer science, The University of Texas at Arlington, Arlington USA. He is currently a professor with the School of Telecommunications Engineering, Xidian University, and also a key member of State Key Laboratory of Integrated Services Networks. He has authored around 100 technical articles in refereed journals and proceedings, including IEEE Transactions on Pattern Analysis and Machine Intelligence, IEEE Transactions on Image Processing, IEEE Transactions on Neural Networks and Learning Systems, IEEE Transactions on Cybernetics, NeurIPS, CVPR, AAAI, and IJCAI. His current research interests include pattern recognition, Multimodal data analysis, data mining, few-shot learning, Generative AI and machine learning.