[Zeng, Zhiwen; Liu, Anfeng; Yang, Wei] Cent South Univ, Sch Informat Sci & Engn, Changsha 410083, Hunan, Peoples R China.
[Liu, Wei] Hunan Univ Chinese Med, Sch Informat, Changsha 410208, Hunan, Peoples R China.
[Liu, Anfeng] Zhejiang Univ, State Key Lab Ind Control Technol, Hangzhou 310027, Zhejiang, Peoples R China.
[Huang, Guosheng] Hunan First Normal Univ, Sch Informat Sci & Engn, Changsha 410205, Hunan, Peoples R China.
[Xiong, Neal N.] Northeastern State Univ, Dept Math & Comp Sci, Tahlequah, OK 74464 USA.