基于復(fù)數(shù)小波域的二維矢量圖形數(shù)字水印.pdf

1、”79‘1055編號：1071208120303066密緞：內(nèi)部西北民族大學(xué)研究生學(xué)位論文論文題目(中文)基復(fù)數(shù)叢!速燮墊三維基量圖顯麴主塑!口論文題目(9h文)!!igi!塾!型壘!!!塾!a￡ki旦gQ12Q!￡￡!Q￡g塑乜叢i￡墜!!!魚Q望￡Q蟲衛(wèi)!!莖型!!!!￡!旦Q坐ai叢培養(yǎng)單位酋3￡瞪筮盤堂鹽篁扭撾堂皇』主。宣!：L狴堂暄學(xué)號墮!Q!Q!i!研究生姓名進(jìn)匭婭——學(xué)科、專業(yè)土堂讓簋拯廛旦煎查研究方向型絡(luò)蘭籃星童全學(xué)位級

2、別亟導(dǎo)師姓名、職稱王土，塹副數(shù)援論文工作起止年月蘭Q塑墨生!爿至窒QQ魚生：!旦——論文提交日期!!!!笠!』3論文答辯日期2QQ堡i旦學(xué)位授予日期!!!Q箜!旦校址：甘肅省蘭州市西北新村1號西北民族大學(xué)碩上論文英文摘要Digitalwatermarkingof2DvectorgraphicsbasedonComplexWaveletDomainAbstractThedigitalizingofthemultimediadataandt

3、heincreasingpopularityoftheInternet，supplygreatlyconvenienceforsavingandwithdrawingofthemultimediainformationButtheproblemsappearatthesainetime，suchas，theeasieroftheworkinfringement，theeasierofthedestroyingcopyrightAsone

4、ofthemethodforCopyrightProtection，theDigitalWatermarkingappearedThegraphicsdataisanimportantformofmultimediainformationIntherecentyearsthecorrespondingdigitalwatermarkingtechnologyhasbeengraduallyconcernedThepaperfirstin

5、troducedthebasicknowledgeofdigitalwatermarkingtechnologyIncludingthebackground，basicconcepts，fundamentalcharacteristics，andtheoreticalframework，technologyclassification，andtechnicalapplicationsThenintroducedotherrelevant

6、knowledgeofdigitalwatermarking：Fouriertransformationtheory，MatlabsimulationtoolandWavelettransformusingintheexperimentationMainlyintroducedtheDualtreeComplexWaveletAndthenmainlyintroducedwatermarkingwaysoftheGraphicdataa

7、tpresentThepaperraisedtwowaysofwatermarkingofthe2DvectorgraphicsbasedontheComplexWaveletDomainTwowaysareverygoodwiththefinecharacteroftheDual—treeComplexWaveletOneisthepseudo—randomsequencesaswatermarking，underthecontrol

8、ofDensityFactors，pseudo—randomsequencescombinedtothelowfrequencycoe街cientoftheDual—treeComplexWaveletTransformAnotheristhesignificativeimagesaswatermarkingChoosingcorrespondingcoefficientindifferentmultianalysisofgraphic

9、sdataandwatermarkingimage，combinethemtogetherExperimentsprovedthatthetwowaysforembeddedwatermarkinghavebettermoving，spinning，orscaling，plusnoise，robustnessAndthewaysarenotcomplicatetoachieveeasyKeywords：Digitalwatermarki