1. Chengdu Aeronautic Polytechnic, School of Information Engineering, Chengdu, China
2. Chengdu Technological University, School of Electronics Engineering, Chengdu, China
3. Chinese Academy of Sciences, Chengdu Institute of Computer Application, Lab of Advanced Manufacturing Technology, Chengdu, China
4. Chongqing City Management College, School of Big Data and Information Industry, Chongqing, China