1. School of Computer Science and Technology, Changchun University of Science and Technology, Changchun, China
2. College of Geophysics and the Key Laboratory of Earth Exploration and Information Techniques, Ministry of Education, Chengdu University of Technology, Chengdu, China
3. Engineering Geology Brigade of Jiangxi Bureau of Geology, Nanchang, China
4. Department of Geology and Geophysics, The University of Utah, Salt Lake City, UT, USA