1. The Key Lab of Optoelectronic Technology and Systems of the Education Ministry of China, Chongqing University, Chongqing, China
2. Collaborative Innovation Center for Brain Science, Chongqing University, Chongqing, China
3. ICT NDT Engineering Research Center, Ministry of Education, Chongqing University, Chongqing, China
4. College of Computer Science, Sichuan University, Chengdu, China