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1、ComputervisionFromWikipedia,thefreeencyclopediaComputervisionisafieldthatincludesmethodsforacquiring,processing,analysing,andunderstandingimagesand,ingeneral,high-dimensionaldata[1][2][3]fromtherealworldinordertoproducenumericalorsymbolicinformation,e.g.
2、,intheformsofdecisions.Athemeinthedevelopmentofthisfieldhasbeentoduplicatetheabilitiesofhumanvisionbyelectronicallyperceivingandunderstandinganimage.[4]Thisimageunderstandingcanbeseenasthedisentanglingofsymbolicinformationfromimagedatausingmodelsconstruc
3、tedwiththeaidofgeometry,physics,statistics,andlearningtheory.[5]Applicationsrangefromtaskssuchasindustrialmachinevisionsystemswhich,say,inspectbottlesspeedingbyonaproductionline,toresearchintoartificialintelligenceandcomputersorrobotsthatcancomprehendthe
4、worldaroundthem.Thecomputervisionandmachinevisionfieldshavesignificantoverlap.Computervisioncoversthecoretechnologyofautomatedimageanalysiswhichisusedinmanyfields.Machinevisionusuallyreferstoaprocessofcombiningautomatedimageanalysiswithothermethodsandtec
5、hnologiestoprovideautomatedinspectionandrobotguidanceinindustrialapplications.Asascientificdiscipline,computervisionisconcernedwiththetheorybehindartificialsystemsthatextractinformationfromimages.Theimagedatacantakemanyforms,suchasvideosequences,viewsfro
6、mmultiplecameras,ormulti-dimensionaldatafromamedicalscanner.Asatechnologicaldiscipline,computervisionseekstoapplyitstheoriesandmodelstotheconstructionofcomputervisionsystems.Examplesofapplicationsofcomputervisionincludesystemsfor:Controllingprocesses(e.g
7、.,anindustrialrobot).Navigation(e.g.byanautonomousvehicleormobilerobot).Detectingevents(e.g.,forvisualsurveillanceorpeoplecounting).Organizinginformation(e.g.,forindexingdatabasesofimagesandimagesequences).Modelingobjectsorenvironments(e.g.,medicalimagea
8、nalysisortopographicalmodeling).Interaction(e.g.,astheinputtoadeviceforcomputer-humaninteraction).Automaticinspection,e.g.inmanufacturingapplicationsSub-domainsofcomputervisionincludescenereconstruction,eventdetection,vide
