自适应背景更新方法研究

《自适应背景更新方法研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、中国海洋大学硕士学位论文自适应背景更新方法研究姓名：张闯德申请学位级别：硕士专业：计算机应用技术指导教师：秦勃20070601ResearchonSelf-AdaptiveBackgroundUpdatingAIgorithmAbstractImagesegmentationisakeytechnologyofdigita】imageprocess,whichcallreducethecalculationgreatlyandsavetheimageinformationinthelaterprocessphases，suchasimagedetection,imager

2、ecognitionandsoon．Asmallerrorofthesegmentationcangreatlyaffecttheresultsofthefollowingtasks．Soaccuracyofthesegmentationisofgreatsignificance，whichisalsowhyithasbeenattachedgreatimportanceandalsoconsideredasamainbottleneckinthecomputervisionbytheresearchers．Theapplicationofimagesegmentatio

3、nisSObroadthatitCanbeappliedinalmosteveryimageprocessfield,suchastheIndustryAutomation，ProductionSupervise，ImageFileProcess，RemoteImageProcess，SafeguardSupervise，andalsointheMilitary,Sports，AgricultureEn百neer．Forexample，intheremoteimageprocess，itCanbeusedtosegmentthetargetinthesynthetical

4、lyradarimage，thedifferentcloudsystemandthebackgrounddistribution．hlthetrafficimageanalysis．itCanbeusedtosegmentthevehicletargetfromthebackgroundimage．Inalltheimageapplications，aslongastheextractionoftheobjectsfromtheimageisneeded，thentheobjectsegmentationtechniqueisneeded．Theaccuracyofima

5、gesegmentationwillgreatlyaffecttheeffectivenessoffollowingtasks．Therefore，theresearchofimagesegmentationisofgreatimportanceandmeanings．Backgroundupdatingistoupdatethebackgroundimageregularlyintheimageprocess，especiallyintheimagedifferencemethodadoptedtosegmenttheobjectfromthevideosequence

6、s，asnoaccuratesegmentationcanbeobtainedwithoutbackgroundupdatingintime．Theappearanceofbackgroundupdatingtechniquebringstheimagedifferencemethodintoanewphrase，providingnewdriveandnewdirectionforimagesegmentation．Sofar,manyresearchershavebroughtthebackgroundupdatingntechniqueintotheimageseg

7、mentation，suchasthestatisticsbackgroundmodel，mixedGaussbackgroundmodel，andthebackgroundmodelbasedonKalmanfilter,etc．Inthenumeroussegmentationmethods，especiallythosebasedonthevideo，duetoitssmallcalculation．anlountanditsaccuracyinthesegmentationoftheobjectbycombingthe