1. School of Computer Science and Technology, Wuhan University of Technology, Wuhan, PR China
2. Intelligent Transportation System Centre, Wuhan University of Technology, Wuhan, PR China
3. National Engineering Research Centre for Water Transport Safety, Wuhan, PR China
4. Department of Maritime and Transport Technology, Delft University of Technology, Delft, the Netherlands
5. Department of Mechanical Engineering, University College London, Torrington Place, London, UK