Yuehua Feng is pursuing a master's degree in computer science and technology at the School of Management Science and Information Engineering, Hebei University of Economics and Business. She is a member of CCF and her research focuses on machine vision, facial expression recognition, and emotion recognition.

Ruoyan Wei received his doctoral degree with a pattern recognition and intelligent systems major from the Beijing University of Technology. He worked as an associate professor at School of Management Science and Information Engineering, Hebei University of Economics and Business. His research topics mainly include pattern recognition and machine vision. He hosted and completed six scientific research projects, including the Hebei Provincial Natural Science Foundation and the Hebei Provincial Key Research and Development Program. He hosted two educational reform projects, including the Hebei Province Education Reform Research Project.