1. School of Artificial Intelligence, Beijing University of Posts and Telecommunications, Beijing 100876, China, and also with School of Information Engineering, Nanchang University, Nanchang 330031, China
2. School of Information Engineering, Nanchang University, Nanchang 330031, China
3. Artificial Intelligence Industry Institute, Nanchang University, Nanchang 330031, China, and also with Shangrao Normal University, Shangrao 334001, China