1. College of Information Engineering, Shanghai Maritime University, Shanghai, China
2. Key Laboratory of Measurement and Control of CSE, School of Automation, Southeast University, Nanjing, China
3. The French Aerospace Lab, ONERA, DTIS, Palaiseau, France
4. School of Electrical Engineering, Central Queensland University, Melbourne, VIC, Australia
5. Social Robotics Laboratory, Department of Electrical and Computer Engineering, Interactive Digital Media Institute, National University of Singapore, Singapore