1. School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, China
2. Key Laboratory of Advanced Manufacturing Technology of the Ministry of Education, Guizhou University, Guiyang, China
3. School of Geosciences and Info-physics of Central South University, Changsha, China
4. Nanchang Key Laboratory of Intelligent Sensing Technology and Instruments for Geological Hazards, East China University of Technology, Nanchang, China
5. College of Computer Science and Technology, Taiyuan University of Technology, Taiyuan, China
6. College of Information and Electronic Engineering, Hunan City University, Yiyang, China