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外文翻译--原型基于颜色的图像检索与MATLAB.doc

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外文翻译--原型基于颜色的图像检索与MATLAB.doc

英文原文PROTOTYPINGCOLORBASEDIMAGERETRIEVALWITHMATLABABSTRACCONTENTBASEDRETRIEVALOFIMAGEDATABASESHASBECOMEMOREPOPULARTHANBEFOREALGORITHMDEVELOPMENTFORTHISPURPOSEREQUIRESTESTING/SIMULATIONTOOLS,BUTTHEREARENOSUITABLECOMMERCIALTOOLSONTHEMARKETASIMULATIONENVIRONMENTFORRETRIEVINGIMAGESFROMDATABASEACCORDINGHISTOGRAMSIMILARITIESISPRESENTEDINTHISPAPERTHISENVIRONMENTALLOWSTHEUSEOFDIFFERENTCOLORSPACESANDNUMBERSOFBINSTHEALGORITHMSAREIMPLEMENTEDWITHMATLABEACHCOLORSYSTEMHASITSOWNMFILESTHEPHASESOFTHESOFTWAREBUILDINGPROCESSAREPRESENTEDFROMSYSTEMDESIGNTOGRAPHICALUSERINTERFACEGUITHEFUNCTIONALITYISDESCRIBEDWITHSNAPSHOTSOFGUI1INTRODUCTIONNOWADAYSTHEREARETHOUSANDSORHUNDREDSOFTHOUSANDSOFDIGITALIMAGESINANIMAGEDATABASEIFTHEUSERWANTSTOFINDASUITABLEIMAGEFORHIS/HERPURPOSES,HE/SHEHASTOGOTHROUGHTHEDATABASEUNTILTHECORRECTIMAGEHASBEENFOUNDORUSEAREFERENCEBOOKORSOME“INTELLIGENT”PROGRAMVIDEOONDEMANDVODSERVICESALSOREQUIRESANINTELLIGENTSEARCHSYSTEMFORENDUSERSVODSYSTEMS’SEARCHMETHODSDIFFERSLIGHTLYFROMIMAGEDATABASE’SMETHODSAREFERENCEBOOKISASUITABLEOPTION,IFTHEIMAGESAREARRANGEDWITHAUSEFULMETHOD,FOREXAMPLE1CATEGORIESANIMALS,FLAGS,ETC,2NAMESREQUIRESAGOODNAMINGTECHNIQUEOR3DATESANEXPERIENCEDUSERCANUSETHESESYSTEMSASWELLASTEXTUALSEARCHESKEYWORDSHAVETOBEINSERTEDINADATABASEEFFICIENTLYTHEREARESITUATIONSWHENAMULTILANGUAGESYSTEMHASTOBEUSEDTHEREALANGUAGEINDEPENDENTSEARCHSYSTEM’SBESTPROPERTIESCANBEUTILIZEDATOOLWHICHISBASEDONTHEIMAGES’PROPERTIESCANBEMADELANGUAGEINDEPENDENTTHESEPROPERTIESCANBEFOREXAMPLECOLOR,SHAPE,TEXTURE,SPATIALLOCATIONOFSHAPEETCINTHEMUVIPROJECT1THISKINDOFTOOLISUNDERCONSTRUCTIONITWILLCOVERTHEPROPERTIESPRESENTEDABOVERESEARCHWORKONCONTENTBASEDIMAGERETRIEVALHASBEENDONEIN2–6THESYSTEM,WHICHISPRESENTEDINTHISPAPER,ISASIMULATIONENVIRONMENT,WHEREMUVI’SCOLORCONTENTBASEDRETRIEVALHASBEENDEVELOPEDANDTESTED2SYSTEMDEVELOPMENTMATLABISANEFFICIENTPROGRAMFORVECTORANDMATRIXDATAPROCESSINGITCONTAINSREADYFUNCTIONSFORMATRIXMANIPULATIONSANDIMAGEVISUALIZATIONANDALLOWSAPROGRAMTOHAVEMODULARSTRUCTUREBECAUSEOFTHESEFACTSMATLABHASBEENCHOSENASPROTOTYPINGSOFTWARE21SYSTEMDESIGNBEFOREANYMFILESHAVEBEENWRITTEN,THESYSTEMDESIGNHASBEENDONEASYSTEMDESIGNFORTHEHSVHUE,SATURATIONANDVALUECOLORSYSTEMBASEDRETRIEVALPROCESSISPRESENTEDINFIGURE1SIMILARDESIGNHASBEENDONEFORALLUSEDCOLORSYSTEMSFIGURE1FUNCTIONCHARTFORHSVCOLORSPACEWITH27BINSHISTOGRAMTESTHS27ISTHEMAINFUNCTIONFORTHISCOLORSYSTEMANDTHISNUMBEROFBINSITCALLSOTHERFUNCTIONSHS27READ,DIF_HSVANDIMAGE_POSWHENNEEDEDEACHCOLORSYSTEMHASAMAINFUNCTIONOFITSOWNANDVARIABLENUMBER2–3OFSUBFUNCTIONSIFTHEREISNONEEDFORCOLORSPACECONVERSIONTHEREARE2FUNCTIONS,OTHERWISE3FUNCTIONSONTHEFIRSTBRANCHOFTHEFUNCTIONCHARTTHEFUNCTIONCALLOFTHEMAINFUNCTIONISMATCHESTESTHS27IMAGEN,DIRECTORY,NUMTHEVARIABLEIMAGENSPECIFIESTHEQUERYIMAGE’SNAMEANDPATHTHEDIRECTORYISAPATHOFTHEIMAGEDATABASEANDNUMISADESIREDNUMBEROFRETRIEVEDIMAGES22FUNCTIONSATTHISMOMENTTHEREAREFUNCTIONSIMPLEMENTEDFORFOURCOLORSPACESHSV,LAB,RGBANDXYZ7EACHCOLORSPACEHASFROM2TO4IMPLEMENTATIONSFORDIFFERENTNUMBERSOFBINSTHEREAREALTOGETHER14MAINFUNCTIONSFORSOMECOLORSYSTEMSITISPOSSIBLETOMAKETHESEFUNCTIONSDYNAMIC,IEDYNAMICHISTOGRAMCALCULATIONEVERYCOLORSYSTEM/BINCOMBINATIONREQUIRESITSOWNHISTOGRAMSANDTHESECANBEMADEONLYWITHANEXHAUSTIVEMETHODPIXELBYPIXELHISTOGRAMCALCULATIONTAKES5MINUTESPERIMAGE,EACHAPPROXIMATELY320240PIXELS,DEPENDINGONTHECOMPLEXITYOFTHECOLORSPACEON150MHZPENTIUMTHUSITISNOTREASONABLETOLETTHEUSERSELECTABINNUMBERFREELY,ESPECIALLYINTHECASEOFLARGEDATABASESTHEFUNCTIONSHAVEBEENNAMEDSOTHATTHENAMESCONTAININFORMATIONOFTHECOLORSPACEUSED,THEPURPOSEOFTHEFUNCTIONSANDTHENUMBEROFUSEDBINSSOMEFUNCTIONS,FOREXAMPLEIMAGE_POS,HAVEBEENUSEDBYMANYORALLMAINFUNCTIONSANDTHESEFUNCTIONSHAVENOTBEENNAMEDASDESCRIBEDABOVETHEMAINFUNCTIONCHECKS,IFTHEFUNCTIONCALLISCORRECTIFTHEQUERYIMAGE’SNAMEDOESN’TCONTAINAPATH,THEFUNCTIONASSUMESTHATTHEIMAGEISSITUATEDINTHEDATABASEDIRECTORYINADDITIONTOTHIS,THEMAINFUNCTIONCHECKS,IFTHEQUERYIMAGEALREADYHASAHISTOGRAMINTHECURRENTLYUSEDDATABASEIFTHEREQUIREDHISTOGRAMISNOTTHERE,THEIMAGEREADFOREXAMPLEHS27READFUNCTIONISCALLEDTHISFUNCTIONALSONORMALIZESPIXELVALUESANDARRANGESIMAGEMATRIXDATATOAVECTORFORMATAFTERTHATSTAGEACOLORSPACECONVERSIONFUNCTIONIFNEEDEDISCALLEDFINALLYAQUANTIZATIONFUNCTIONBUILDSTHEHISTOGRAMWITHTHECORRECTNUMBEROFBINSTHEHISTOGRAMWILLTHENBESAVEDINTOTHEDATABASEDIRECTORYIFTHEHISTOGRAMALREADYEXISTSTHERE,THETHREEPREVIOUSSTEPSWILLNOTBEEXECUTEDNOWTHEQUERYIMAGEHASBEENANALYZEDTHENTHEMAINFUNCTIONWILLGOTHROUGHALLIMAGESINTHEDATABASEDIRECTORYWITHANALMOSTSIMILARALGORITHMASINTHECASEOFTHEQUERYIMAGETHEDIFFERENCEISTHATNOWTHEREWILLBEAHISTOGRAMDIFFERENCECALCULATIONBETWEENTHEQUERYIMAGE’SANDCURRENTIMAGE’SHISTOGRAMFINALLYTHEIMAGE_POSFUNCTIONWILLBEUSEDTOPUTAQUERYIMAGEANDTHEDESIREDNUMBEROFBESTMATCHIMAGESONTHEDISPLAY23LINKINGITISNOTPOSSIBLETOUSEAPROGRAMBEFORETHEMAINFUNCTIONANDSUBFUNCTIONSARECONNECTEDTOEACHOTHERTHEMAINFUNCTIONWILLBECALLEDFROMTHECOMMANDLINEORTHROUGHTHEGRAPHICALUSERINTERFACE,WHICHWILLBEPRESENTEDLATERINTHISPAPERINBOTHCASESTHEFUNCTIONCALLWILLCONTAINTHESAMEARGUMENTSFORMULTILEVELSEARCHPURPOSESSEPARATEMAINFUNCTIONSHAVEBEENIMPLEMENTED,BUTITISPOSSIBLETOUTILIZE“NORMAL”FUNCTIONSANDADDONEPARAMETER,WHERETHEBESTMATCHESARRAYCANBETRANSFERREDFORSECONDASTAGECOMPARISONFUNCTIONTHEMAINFUNCTIONCALLSANIMAGEREADFUNCTIONWITHTHEIMAGE’SNAMETHEHISTOGRAMWILLBERETURNEDTOTHEMAINFUNCTIONIFACOLORSPACECONVERSIONISNEEDED,THECONVERSIONFUNCTIONWILLBECALLEDFROMTHEREADFUNCTIONWITHR,GANDB–VECTORSTHEHISTOGRAMWILLBERETURNEDTOTHECALLINGFUNCTIONFINALLYTHEHISTOGRAMBUILDFUNCTIONWILLBECALLEDWITHCONVERTEDCOLORVECTORSTHISFUNCTIONRETURNSAQUANTIZEDHISTOGRAM,WHICHWILLGOTHROUGHALLFUNCTIONSUNTILITACHIEVESTHEMAINFUNCTIONTHEMAINFUNCTIONCALLSTHEHISTOGRAMDIFFERENCEFUNCTIONWITHTWOHISTOGRAMVECTORSANDWILLGETADIFFERENCEVALUEASARESPONSETHEDIFFERENCEFUNCTIONUSESEUCLIDEANDISTANCECALCULATION,BUTITCANBEEASILYCHANGEDTOANOTHERALGORITHMDUETOTHEMODULARITYOFTHEPROGRAMIFTHEDIFFERENCEISSMALLERTHANLARGESTDIFFERENCEONABESTMATCHTABLE,THECURRENTRESULTWILLBEWRITTENOVERTHELASTRESULTONTHEBESTMATCHTABLEAFTERTHATTHETABLEISARRANGEDAGAININANASCENDINGORDEROFDISTANCEWHENALLTHEIMAGESHAVEBEENANALYZED,THESORTEDBESTMATCHTABLE,THENUMBEROFDESIREDOUTPUTIMAGES,THEQUERYIMAGE’SNAME,THESEARCHIMAGE’SPATHANDTHEDATABASEPATHARETRANSFERREDTOTHEIMAGE_POSFUNCTIONTHESEVALUESCANBETRANSFERREDINTOLARGERCOMPONENTSVECTORS/CONTAINERSNOWTHEPROGRAMWORKSFASTERWITHSEVERALINPUTARGUMENTS,BECAUSETHEREISNONEEDFORPICKINGUPVARIABLESFROMACONTAINER24GRAPHICALUSERINTERFACETHEGRAPHICALUSERINTERFACEGUIISANIMPORTANTPARTOFSOFTWAREDEVELOPMENTTHEDESIGNINGOFTHEGUIHAVETOSOLVETHEFOLLOWINGPROBLEMSLEARNINGTIME,SPEEDOFPERFORMANCE,RATEOFERRORSBYUSERS,RETENTIONOVERTIME,ANDSUBJECTIVESATISFACTION9THISSOFTWAREIS,ATTHEMOMENT,INTENDEDTOBEUSEDONLYFORTESTINGPURPOSESTHEMOSTIMPORTANTPROPERTYOFTHISSOFTWAREISTHATTHERESULTSOFDIFFERENTTESTQUERIESCANBESEENQUICKLYANDTHERESULTSCANBESAVEDSAFELYONADISKTHUSTHEVISUALLAYOUTISNOTASIMPORTANTASINCASEOFACOMMERCIALSOFTWAREPRODUCTINFIGURE2THEFIRSTSCREENONGUIISPRESENTEDTHEPURPOSESOFTHEBUTTONS,MENUSANDOTHERCOMPONENTSWILLBEPRESENTEDLATERIFTHISSOFTWAREISDEVELOPEDINTOACOMMERCIALPRODUCT,THEMENUBARWILLBEDISABLEDINTHEFUTUREANDTHEEXITANDHELPBUTTONSWILLBEADDEDONTHECANVASFIGURE2GUIBEFORETHESEARCHIMAGESELECTIONINFIGURE3THESEARCHSCREENISPRESENTEDJUSTBEFORESTARTINGASEARCHTHEUSERISSHOWNASEARCHIMAGE,ANDINTHISWAYHE/SHECANBESURETHATTHESEARCHWILLBEMADEWITHTHECORRECTIMAGE

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