視頻中雪花的檢測(cè)和去除.pdf

1、《rY109898i碩士研究生學(xué)位論文新疆大學(xué)論文題目(中文)：視頻中雪花的檢測(cè)和去除論文題目(外文)：DetectionandRemovalofSnowfromVideos研究生姓名：許亮學(xué)科、專業(yè)：通信與信息系統(tǒng)學(xué)位類別：工學(xué)碩士研究方向：光電信息處理導(dǎo)師姓名、職稱：賈振紅教授論文答辯日期學(xué)位授予日期年月B年月B視頻中雪花的檢測(cè)和去除AbstractCurrentvideosystemsa∞designedtoperforminc／

2、earweatherNeedlesstosayinanyoutdoorapplication，thereisnoescapefrom“bad”weatherOutdoorvideosystemsareusedinvariousapplications，suchassurveillance，autonomousnavigation，remotesensinglicenseplaterecognitionandmilitaryfield，b

3、utnoneofthesesystemsaccountfortheeffectsofweatherconditionsHence，researchoftheimpactsofsnowonimagesisofgreatmilitarysenseandsignificantsocialandeconomicbenefitsWeatherconditionsarecommonlystudiedinatmospherescienceareain

4、communicationsciencearea，researchershavestudiedtheeffectsOilwavetransmissionTheweathereffectsonvideohaven’tbeenstudiedwidelyMostofthestudiesonlyconsiderthesteadyatmosphereconditions，likefog，mistandhazeThesestudiesrecover

5、theweathe卜p01lutedimagesthroughcertainopticalmodelsHowever，theeffectsofsnowonacameraviewingasceneinanaturalenvironmentareverydifferentandremainunexploredInordertemovetheeffectsofsnowfromvideosweneedtostudythephysicalprop

6、ertiesofsnowAfterthatwecanmodeltheeffectsofsnowonimagesanddevelopalgorithmstemovethemWebeginbystudyingtheeffectsofbadweatherconditionsWeatherconditionscanbebroadlyclassifiedassteady(fog，mistandhaze)anddynamic(rain，snowan

7、dhail)TheireffectsonimagesareanalyzedAftertheseanalyses，weuseacorrelationmodelthatcapturesthedynamicsofsnow，aphysics—basedphotometrymodelthatdescribethesnowintensityinimageBasedonthesemodels，wedevelopanefficientalgorithm

8、(DRS)fordetectingandremovingsnowfromvideosTheestimationofphotometricmodelparametersisalsogivenTheeffectivenessofthemodelsandalgorithmisdemonstratedthroughexperimentsKeywords：imageprocessing；videoprocessing；poorweather；sn