1. Department of Computer Science, Faculty of Information and Communication Sciences, University of Ilorin, Ilorin, Nigeria
2. Department of Electronics and Communication Engineering, Sikkim Manipal Institute of Technology, Sikkim Manipal University, Majitar, Rangpo, Sikkim, India
3. School of Engineering, University of Mount Union, Alliance, OH, USA
4. Department of Intelligent Mechatronics Engineering and Convergence Engineering for Intelligent Drone, Sejong University, Seoul, South Korea