[Liao, Bo; Huang, Guohua; Xiang, Qilin] Hunan Univ, Coll Comp Sci & Elect Engn, Changsha, Hunan, Peoples R China.
[Huang, Guohua] Shaoyang Univ, Hunan Prov Key Lab Informat Serv Rural Southweste, Shaoyang, Peoples R China.
[Huang, Guohua] Shaoyang Univ, Dept Informat Engn, Shaoyang, Hunan, Peoples R China.
[Feng, Kaiyan] Guangdong AIB Polytech, Dept Comp Sci, Guangzhou, Guangdong, Peoples R China.
[Liu, Yuewu] Hunan Agr Univ, Coll Sci, Changsha, Hunan, Peoples R China.