**Author details**

Jizhao Liu1,2\*, Yide Ma2 , Jing Lian<sup>3</sup> and Xinguo Zhang<sup>2</sup>

1 School of Data and Computer Science, Sun Yat-sen University, Guangzhou, Guangdong, China

2 School of Information Science and Engineering, Lanzhou University, Lanzhou, Gansu, China

3 School of Electronics and Information Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu, China

\*Address all correspondence to: liujizhao@mail.sysu.edu.cn

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
