1. College of Computer and Information Technology and the Hubei Province Engineering Technology Research Center for Construction Quality Testing Equipments, China Three Gorges University, Yichang, China
2. College of Physical Sciences and Engineering Technology, Yichun University, Yichun, China
3. College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China
4. International Research Institute of Disaster Science, Tohoku University, Sendai, Japan