1. PAMI Research Group, Department of Computer and Information Science, University of Macau, Macau, China, and also with the Guangdong Industrial Training Center, Guangdong Polytechnic Normal University, Guangzhou 510665, China.
2. PAMI Research Group, Department of Computer and Information Science, University of Macau, Macau, China.
3. College of Electrical and Information Engineering, Hunan University, Changsha 410082, China, and also with the Department of Artificial Intelligence, Peng Cheng Laboratory, Shenzhen 518000, China.
4. Guangdong Industrial Training Center, Guangdong Polytechnic Normal University, Guangzhou 510665, China.