QIAN DU1, ZHAO-FENG WU4, JUN WANG2,+, WEN-WU XIE4,+ AND YA-LAN LI2,3,+
1Department of Information Science and Engineering
Linyi University
Linyi, Shandong Province, 276000 P.R. China
E-mail: duqian@lyu.edu.cn
2School of Electronic Information and Electrical Engineering
3Hunan Engineering Research Center of Advanced Embedded Computing
and Intelligent Medical Systems
Xiangnan University
Chenzhou, Hunan Province, 423000 P.R. China
E-mail: junwang_cn@qq.com; liyalan@xnu.edu.cn
4Department of Information and Communication Engineering
Hunan Institute of Science and Technology
Xiangtan, Hunan Province, 411100 P.R. China
E-mail: gavinxie@hnist.edu.cn; wuzhaofenga@163.com