Professor Qiguang Miao is based at the School of Computer Science and Technology, Xidian University, China. He received his PhD degree from Xidian University in 2005. He is now the dean of school of networking and continuing education in Xidian University. His research interests include intelligent image/video understanding and big data. Yunan Li is an associate professor based at the School of Computer Science and Technology, Xidian University, China. His research interests include computer vision, image/video enhancement and intelligent human behavior analysis. Xiangzeng Liu is an associate professor based at the School of Computer Science and Technology, Xidian University, China. His research interests include multi-source remote sensing image registration and fusion, target recognition and tracking, infrared image nonuniformity correction. Dr Ruyi Liu is based at the School of Computer Science and Technology, Xidian University, China. Dr Liu received her PhD degree from Xidian University in 2018. Dr Liu has published over 20 papers on international journals or conferences.