1. College of Physics and Information Engineering, Fuzhou University, Fuzhou, China
2. Science and Technology on Micro-System Laboratory, Shanghai Institute of Micro-System and Information Technology, Chinese Academy of Sciences, Shanghai, China
3. College of Computer Science and Technology and the Key Laboratory of Visual Media Intelligent Processing Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou, China
4. IoT Thrust and the Research Center for Digitial World with Intelligient Things, The Hong Kong University of Science and Technology at Guangzhou, Guangzhou, China