Manuscript received June 5, 2019; revised December 11, 2019 and February 6, 2020; accepted February 17, 2020. Date of publication February 21, 2020; date of current version April 16, 2020. This work was supported in part by the National Natural Science Foundation of China under Grant 61602164, in part by the Natural Science Foundation of Hunan Province under Grant 2018JJ3023, and in part by the Research Foundation of Education Bureau of Hunan Province under Grants 17B050 The review of this article was coordinated by Prof. L. Wang (Corresponding author: Hua Qin.) Hua Qin, Buwen Cao, Weihong Chen, and Xiang Xiao are with the College of Information and Electronic Engineering, Hunan City University, Yiyang 413000, China (e-mail: qinhua_hcu@163.com; cbwchj@126.com; paney@hnu.edu.cn; hdxx@hnu.edu.cn).
