1. Korean Southeast Center for the 4th Industrial Revolution Leader Education, Pusan National University, Busan, Korea
2. Department of Information Convergence Engineering, Pusan National University, Busan, Korea
3. ICT Convergence Research Center, Kumoh National Institute of Technology, Gumi, Gyeongbuk, Korea
4. Department of Electrical and Computer Engineering, University of Houston, Houston, TX, USA
5. Department of Biomedical Convergence Engineering, Pusan National University, Yangsan, Korea