[1] Nanjing Univ Informat Sci & Technol, Jiangsu Collaborat Innovat Ctr Atmospher Environm, Nanjing 210044, Peoples R China
[2] Natl Univ Singapore, Inst Syst Sci, Singapore City 119077, Singapore
[3] Univ Reading, Dept Comp Sci, Whiteknights House, Reading RG6 6DH, England
[4] Wuxi Univ, Sch Automat, Wuxi 214105, Peoples R China