1. School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu, China
2. National Engineering Laboratory for Big Data System Computing Technology, Shenzhen University, Shenzhen, China
3. School of Electrical and Information Engineering, North Minzu University, Yinchuan, China
4. Intelligent Research Institute, Chongqing Changan Automobile Company Ltd., Chongqing, China