Xiangzeng Liu received his M.S. and Ph.D. degrees in applied mathematics from Northwestern Polytechnical University, Xi’an, China, in 2008 and 2011, respectively. In 2012, he joined the Xi’an Microelectronics Technology Institute as an Advanced Image Processing Engineer. He is currently an Associate Professor at the School of Computer Science and Technology, Xidian University, China. His current research interests include image registration, image enhancement, object detection and recognition, computer vision, and machine learning.