1. National Subsea Center, Robert Gordon University, Aberdeen, U.K
2. School of Computer Sciences, Guangdong Polytechnic Normal University (GPNU), Guangzhou, China
3. College of Oceanography and Space Informatics, China University of Petroleum (East China), Qingdao, China
4. School of Engineering and Information Technology, University of New South Wales at Canberra, Canberra, ACT, Australia
5. Department of Electronic and Electrical Engineering, University of Strathclyde, Glasgow, U.K