1. Faculty of Information Science and Electrical Engineering, Kyushu University, Fukuoka, Japan
2. College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China
3. Faculty of Electrical and Computer Engineering, Kanazawa University, Kanazawa, Japan
4. School of Information and Technology, Nantong University, Nantong, China
5. Department of Electrical and Mechanical Engineering, Nagoya Institute of Technology, Nagoya, Japan