The National Natural Science Foundation of China(60875046);The Program for NewCentury Excellent Talents in University(NCET-06-0298);The Program for Liaoning Excellent Talents in University(RC05-07,2006R06);The Programfor study of Science of the Educational Department of Liaoning Province(05L020);The Program for study of Science of the Educational Department of Liaoning Province(2008S007);The Program for Dalian Science and Technology(2005A10GX106);The open fund of Liaoning Key Lab of Intelligent Information Processing,Dalian University(2007-3,2007-9)