1. School of Electrical and Automation Engineering East China Jiaotong University Nanchang China
2. Jiangxi Provincial Natural Resources Development Center Nanchang China
3. School of Software East China Jiaotong University Nanchang China
4. School of Information Management Jiangxi University of Finance and Economics Nanchang China
5. Jiangxi Vocational College of Science and Technology Nanchang China