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1、ComputervisionFromWikipedia,thefreeencyclopediaComputervisionisafieldthatincludesmethodsforacquiring,processing,analysing,andunderstandingimagesand,ingeneral,high-dimensionaldata[1][2][3]fromtherealworldinordertoproducenumericalorsymbolicinformation,e.g.,intheformsofdecisions.Athemeinthedevelopme
2、ntofthisfieldhasbeentoduplicatetheabilitiesofhumanvisionbyelectronicallyperceivingandunderstandinganimage.[4]Thisimageunderstandingcanbeseenasthedisentanglingofsymbolicinformationfromimagedatausingmodelsconstructedwiththeaidofgeometry,physics,statistics,andlearningtheory.[5]Applicationsrangefromt
3、askssuchasindustrialmachinevisionsystemswhich,say,inspectbottlesspeedingbyonaproductionline,toresearchintoartificialintelligenceandcomputersorrobotsthatcancomprehendtheworldaroundthem.Thecomputervisionandmachinevisionfieldshavesignificantoverlap.Computervisioncoversthecoretechnologyofautomatedima
4、geanalysiswhichisusedinmanyfields.Machinevisionusuallyreferstoaprocessofcombiningautomatedimageanalysiswithothermethodsandtechnologiestoprovideautomatedinspectionandrobotguidanceinindustrialapplications.Asascientificdiscipline,computervisionisconcernedwiththetheorybehindartificialsystemsthatextra
5、ctinformationfromimages.Theimagedatacantakemanyforms,suchasvideosequences,viewsfrommultiplecameras,ormulti-dimensionaldatafromamedicalscanner.Asatechnologicaldiscipline,computervisionseekstoapplyitstheoriesandmodelstotheconstructionofcomputervisionsystems.Examplesofapplicationsofcomputervisioninc
6、ludesystemsfor:Controllingprocesses(e.g.,anindustrialrobot).Navigation(e.g.byanautonomousvehicleormobilerobot).Detectingevents(e.g.,forvisualsurveillanceorpeoplecounting).Organizinginformation(e.g.,forindexingdatabasesofimagesandimagesequences).Modelingobjectsorenvironments(e.g.,medicalimageanaly
7、sisortopographicalmodeling).Interaction(e.g.,astheinputtoadeviceforcomputer-humaninteraction).Automaticinspection,e.g.inmanufacturingapplicationsSub-domainsofcomputervisionincludescenereconstruction,eventdetection,vide