基于中文Word文檔的數(shù)字水印算法.pdf

1、大連理工大學(xué)碩士學(xué)位論文基于中文Wd文檔的數(shù)字水印算法姓名：康守權(quán)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：江榮安20080603人連理工大學(xué)碩士學(xué)位論文DigitalWatermarkingAlgorithmBasedonChineseFontintheWordDocumentAbstractWiththeexplosivegrowthinmultimediaandnetworktechnologiesintellectualp

2、ropertyprotectionofimages，audio，videoetcaremoreurgentthaneverEncryptionandeopyprotectionmechanismscannotfullysolvetheissueEncryptionusuallyprotectsdataonlyonthetransportchannelandcopyprotectionmechanismsareoftencircumven

3、tedeasilyInthiscontext，di舀talwatermarkinghasbeenproposedasthelastlineofdefenseintheprotectionofintellectualpropertyMoreoverwatermarkingCanbeappliedtoauthentication，captioningetcNowtherearemanyeffectivedigitalwatermarking

4、methodsforimageetc，butthesemethodsarenotusuallysuitablefortext111etechnologyofthetextdigitalwatermarkisacrossmarginalsubjectwhichrelatestesearchesofcryptography，grapllics，scienceofvision，Chineseinformationprocessing，imag

5、eprocessing，communications，andinformationsecurity，etcandiSaverynewresearchdirectionintheoryatpresentSo加theacquiredachievementsontextdigitalwatermarkingoremainlyfocusedonthealgorithmsbasedontextformatThemosttypicalreprese

6、ntativesarealgorithmsonword—shifting，line—shiftingandcharactercodingAsthewatermarkinformationofthiskindofalgorithmisnotinsertedintothetextcontent，thealgorithmsCannotresistsomecommondocumentoperationssuchasformatconversio

7、n，printprocessingAmultipletextcalculatingmethodbasedonthecharacters’attributesandthewords’contentisproposedinthispaperanditsmeritsarealsoanalyzedItisofgoodimperceptibilitytomodifythedefaultnumericalvaluesofcharacters’spe

8、cificattributesinaWordDocumentForexample，thecharacteriSregardedastheobjectofrangeintheWordDocument，thedefaultnumericalvalueofNoProofing’SattributeCanonlybemodifiedduringprogramming；andthedefaultnumericalvalueofLanguagelD

9、FarEast，oneofthecharacter’Sattributes，canbemodifiedtowwdTraditionalChineseorwdChineseSingaporeToembedtextwatermarks，wecanmodifythedefaultnumericalvaluesofcharacters’specificattributesExperimentsshowthatthewatermarkscallb