1. School of Automation, the Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems, and the Engineering Research Center of Intelligent Technology for Geo-Exploration, Ministry of Education, China University of Geosciences, Wuhan, China
2. School of Engineering, The University of British Columbia, Kelowna, BC, Canada
3. Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan, China