Authors
Changyuan Wang
School of computer science and engineering Xi’an Technological University, Xi’an, China
Guang Li
Northwest Institutes of Advanced Technology Xi’an Technological University, Xi’an, China
Pengxiang Xue
School of computer science and engineering Xi’an Technological University, Xi’an, China
Qiyou Wu
School of computer science and engineering Xi’an Technological University, Xi’an, China