1. College of Intelligence and Computing, Tianjin University, Tianjin, China
2. Department of Computer Science, Georgia State University, Atlanta, GA, USA
3. Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
4. College of Mathematics and Computer Science, Zhejiang Normal University, Jinhua, China
5. Fujian Provincial Key Laboratory of Industrial Internet and IoT, Xiamen Intretech Inc., Haicang, Xiamen, China
6. Xiamen Intretech Inc., Haicang, Xiamen, China