1. Computer School, Hubei University of Arts and Science, Xiangyang, China
2. Shandong Provincial University Laboratory for Protected Horticulture, Weifang University of Science and Technology, Weifang, China
3. School of Electrical Information Engineering, Henan University of Engineering, Zhengzhou, China
4. Department of Computer Engineering, Hankuk University of Foreign Studies, Yongin-si, South Korea
5. Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, School of Computer and Software, Nanjing University of Information Science and Technology, Nanjing, China
6. Department of Information Systems, University of Maryland, Baltimore County (UMBC), Baltimore, MD, USA