MediaLab,ComputerScienceDepartment,TsinghuaUniversity!环保物联网研讨会汇报?温江涛?清华大学计算机科学与技术系?清华大学物联网研究中心?清华大学媒体与网络教育部-微软重点实验室media.cs.tsinghua.edu.cn/~multimedia1清华大学物联网中心成立于2010年研究范围包括-传感器网-物联网与移动性管理-软件工程-人机交互-多媒体media.cs.tsinghua.edu.cn/~multimedia2低光视频实时增强SIGGRAPH,ICME等获得2011年全国高校挑战杯特等奖已经在安防等领域得到推广iPhone应用下载30万次视频实时去雾大型物联网中的数据传输TCP-FIT与目前广泛布署的TCP方案TCPReno和TCPCUBIC相比,有非常明显的性能提高,可达到最大5倍的性能加速比。-TCP-FIT的性能已经在Planet-lab全球网络实验床上得到了验证,在验证实验中,来自全世界43个国家,192个城市的245台计算机参与了测试,测试节点涵盖了233个网络服务提供商大型复杂网络中的数据传输MediaLab,ComputerScienceDepartment,TsinghuaUniversity!对于物联网研究和应用?的一点思考media.cs.tsinghua.edu.cn/~multimedia7MediaLab,ComputerScienceDepartment,TsinghuaUniversity!对于物联网研究和应用?的一点思考media.cs.tsinghua.edu.cn/~multimedia8HowBigistheInternet?EricSchmidt,theCEOofGoogle,estimatedthesizeofWebatroughly5millionterabytesofdata(2010)ThisdoesnotincludedeepWeb(un-indexedWeb),whichisabout500timesbigger..andthehugenumberof(real-time)forumpostingsGooglehasonlyindexedroughly200terabytesofthat,or.004%ofthetotalsizeHowBigisInternet?-cont.MMcontentsincreasingatexponentialrate31millionhoursofvideowereproducedeachyear(2006)Over65%ofWebtrafficisonmmcontents(2007)LikedeepWeb,theamountofinfoavailableinliveWebisunknownFacebookhasbecometheBiggestphotosharingsite3Billionnewphotos/month1MillionphotosdeliveredpersecondJustimaginewhenmanyphotosfrommobilephonesindevelopingcountriesgetloadedIssues?Needtodealwithcoverage,scale,timeliness&personalpreferencesNeedstimely,relevantinfoallpossibleliveinfosourcesAnimportantfacetisthecontinuousliveinfo(streams)?Thisincludesforums&humantweets:Whatarethelatesthottopicsandsentimentofdiscussions?...livenewsvideofeeds/sensors(camerasetc.):Whateventsarehappeningaroundtheregion?...mobilephones:Theirlocations,check-ins,anduserpreferences?andthetraditionalmorestaticinfosources,likeWikipediaWasaPersonal,EventNotificationDeviceHasnowbecomeanExperienceSharingdeviceiReportsofgasexplosionInparticular,MobilePhonesAdoptedfromRameshJain'sslidesM