1. Sanya Offshore Oil & Gas Research Institute, Northeast Petroleum University, Sanya, China
2. Department of Computer Science, Brunel University London, Uxbridge, U.K.
3. Key Laboratory of Advanced Perception and Intelligent Control of High-end Equipment, Ministry of Education, Anhui Polytechnic University, Wuhu, China
4. School of Electrical Engineering, Nantong University, Nantong, China