Long Xu (M’13) received an M.S. degree in applied mathematics from Xidian University, Xi’an, China, in 2002, and a Ph.D. degree from the Institute of Computing Technology, Chinese Academy of Sciences, Beijing, China. He was a Post-Doctoral Researcher with the Department of Computer Science, City University of Hong Kong, the Department of Electronic Engineering, Chinese University of Hong Kong, from July 2009 to December 2012. From January 2013 to March 2014, he was a Post-Doctoral Researcher with the School of Computer Engineering, Nanyang Technological University, Singapore. He is currently with the Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences. His research interests include image/video processing, solar radio astronomy, wavelets, machine learning, and computer vision. He was selected for the 100 Talents Plan, Chinese Academy of Sciences, in 2014.