1. School of Computer Science and Information Engineering, Hefei University of Technology, Anhui, Hefei, China
2. National Engineering Research Center for Multimedia Software, Hubei Key Laboratory of Multimedia and Network Communication Engineering, Institute of Artificial Intelligence, School of Computer Science, Wuhan University, Wuhan, China
3. Key Laboratory of Knowledge Engineering with Big Data, Ministry of Education, School of Computer Science and Information Engineering, Hefei University of Technology, Hefei, China