1. College of Computer and Information Technology and the Hubei Key Laboratory of Intelligent Vision Based Monitoring for Hydroelectric Engineering, China Three Gorges University, Yichang, China
2. College of Electronic Countermeasure, National University of Defense Technology, Hefei, China
3. College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China
4. Faculty of Electrical Engineering and Information Technology, RWTH Aachen University, Aachen, Germany
5. Faculty of Engineering and Applied Science, Memorial University, St. John’s, NL, Canada