1. Institute of Information Science,Beijing Jiaotong University,Beijing,China
2. Guizhou University,School of Mechanical engineering,Guiyang,China
3. Guizhou University,College of Bigdata and Information Engineering,Guiyang,China
4. Guizhou Lianjian Civil Engineering Quality Testing Monitoring Center Co., LTD,Guizhou,China
5. Central South University,School of Computer Science and Engineering,Changsha,China