作者机构：
[杨路明; 刘波] School of Information Science and Engineering, Central-South Univ., Changsha 410083, China;[邓云龙] The 3rd Xiangya Hospital, Central-South Univ., Changsha 410013, China;[刘波] Information Science and Technology Coll., Hunan Agricultural Univ., Changsha 410128, China
通讯机构：
School of Information Science and Engineering, Central-South Univ., China
