[1] Nanjing Univ Finance & Econ, Coll Informat Engn, Nanjing 210023, Jiangsu, Peoples R China
[2] Nanjing Normal Univ, Inst Informat & Control Engn Technol, Nanjing 210042, Jiangsu, Peoples R China
[3] Southeast Univ, Sch Automat, Nanjing 210096, Jiangsu, Peoples R China