毕业论文外文翻译-远程视频监控系统

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1、ASystemforRemoteVideoSurveillanceandMonitoringThethrustofCMUresearchundertheDARPAVideoSurveillanceandMonitoring(VSAM)projectiscooperativemulti-sensorsurveillancetosupportbattlefieldawareness.UnderourVSAMIntegratedFeasibilityDemonstration(IFD)contract,wehavedevelopedautomatedvideounde

2、rstandingtechnologythatenablesasinglehumanoperatortomonitoractivitiesoveracomplexareausingadistributednetworkofactivevideosensors.Thegoalistoautomaticallycollectanddisseminatereal-timeinformationfromthebattlefieldtoimprovethesituationalawarenessofcommandersandstaff.Othermilitaryandfe

3、derallawenforcementapplicationsincludeprovidingperimetersecurityfortroops,monitoringpeacetreatiesorrefugeemovementsfromunmannedairvehicles,providingsecurityforembassiesorairports,andstakingoutsuspecteddrugorterroristhide-outsbycollectingtime-stampedpicturesofeveryoneenteringandexitin

4、gthebuilding.Automatedvideosurveillanceisanimportantresearchareainthecommercialsectoraswell.Technologyhasreachedastagewheremountingcamerastocapturevideoimageryischeap,butfindingavailablehumanresourcestositandwatchthatimageryisexpensive.Surveillancecamerasarealreadyprevalentincommerci

5、alestablishments,withcameraoutputbeingrecordedtotapesthatareeitherrewrittenperiodicallyorstoredinvideoarchives.Afteracrimeoccurs–astoreisrobbedoracarisstolen–investigatorscangobackafterthefacttoseewhathappened,butofcoursebythenitistoolate.Whatisneedediscontinuous24-hourmonitoringanda

6、nalysisofvideosurveillancedatatoalertsecurityofficerstoaburglaryinprogress,ortoasuspiciousindividualloiteringintheparkinglot,whileoptionsarestillopenforavoidingthecrime.Keepingtrackofpeople,vehicles,andtheirinteractionsinanurbanorbattlefieldenvironmentisadifficulttask.TheroleofVSAMvi

7、deounderstandingtechnologyinachievingthisgoalistoautomatically“parse”peopleandvehiclesfromrawvideo,determinetheirgeolocations,andinsertthemintodynamicscenevisualization.Wehavedevelopedrobustroutinesfordetectingandtrackingmovingobjects.Detectedobjectsareclassifiedintosemanticcategorie

8、ssuchashuman