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《基于視頻圖像處理技術(shù)的運動車輛檢測方法研究》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、Y1525340分類號：U4910710—20050652驤謄太海碩士學(xué)位論文基于視頻圖像處理技術(shù)的運動車輛檢測方法研究導(dǎo)師姓名職稱申請學(xué)位級別朱媛媛蘇詩琳副教授碩士學(xué)科專業(yè)名稱交通信。gi程及控制論文提交日期2008年5月24日論文答辯日期2008年5月29日學(xué)位授予單位長安大學(xué)答辯委員會主席學(xué)位論文評閱人巨永鋒賀昱曜趙忠杰AbstractWiththedevelopmentofcomputertechnologies，moreandmorevideosurveillancesystemshavebeenwidelyappliedinproducti
2、onandlife．IntelligentTransportationMonitoringSystemoffreewayisoneoftheimportantapplications，andisthetrendoftrafficdevelopmentinthefuture．MovingvehicledetectionbasedonvideoisthekeytotheIntelligentTransportationMonitoringSystemoffreeway．Thethesisresearchessomekeytechnologiesaboutm
3、ovingvehicledetectionoftheIntelligentTransportationMonitoringSystembasedonvideo．Itregardstrafficscenepictureobtainedbycameraastheresearchobject，anditisonthepremiseofrotatablecamera．Consideringthejudgmentofthecamerarotation，thearticleanalyzesthemethodofroadedgeextractionandtheexp
4、erimentalresultsbasedonvideosequenceimages．Accordingtocorrelationcoefficientoftheseroadedgeimagesextracted，themethodofthecamerarotationjudgmentisproposed，andthefeasibilityisverified．Theproblemissolvedthatwhetherthebackgroundneedtobereconstructed．Itisjudgedautomaticallybythecompu
5、tersystem．Inthedetectionofmovingvehiclesinstaticbackground，threemethods，including‘opticalflow’，‘backgrounddifference’，‘differentialbetweenadjacentframes’，arediscussed．Throughcomparisonandanalysis，themethodofbackgrounddifferenceismainlyresearched．Consideringthebackgroundupdating，
6、differentselectivebackgroundupdatingalgorithmsareanalyzed．Oneadaptivealgorithmisadoptedthroughcomparisonandexperimentalanalysis．Onthebaseoftheexistingshadowdetectionandremovalalgorithms，alittleimprovementaboutashadowdetectionmethodiSrealized．Theresultsshowthatmostoftheshadowcanb
7、edetectedandremovedwiththismethod．Then，accuratevehicleextractionisrealized．Atthesametimeoftheresearchaboutmovingvehicledetection，theflowchartofthemovingvehicledetectionsystemisdevisedandexplainedsimplyatlast．KeyWords：IntelligentTransportationMonitoringSystem，BackgroundDifference
8、，BackgroundUpdating，VehicleDetection，ShadowRemo
