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1、AnImprovedWebPageWatermarkingZhuPing1,DingWei2,LuMing21.CollegeofInformationandSecurityEngineering,Wuhan,4300702.CollegeofComputerScienceandTechnology,Wuhan,430070Abstract:WebPageWatermarkingisaresearchbranchofthetextwatermarking.ItisrelativelydifficulttoembedthewatermarkingintotheWe
2、bPage.FortheparticularityoftheWebPage,thispaperproposesaneffectivelyimprovedWebPageWatermarkingprogramwhichcannotonlyprotecttheWebPage’scompletenessfromtampering,butalsocanprotectthewholeWebsite’scopyright,integrityandconsistency.Thisprogram,whichcanbeeffectivelyusedforcopyrightprote
3、ction,isabletotestwhethertheWebPagesufferstampering,andtolocatetampering.Keywords:TextDigitWatermarking,WebPageWatermarking,FragileWatermarking,RobustWatermarking1.IntroductionTheDigitalWatermarkingTechnology,thebasicideaofwhichderivesfromtheearlysteganographytechnique,secretlyembeds
4、thespecificmarkersintothedigitalcontent.Thiskindofmarkersusuallyisinvisible,andonlycanbeseenthroughthespecialdetectororreader.Accordingtothedifferenttypesofthecarrier,thedigitalwatermarkingtechnologycanbedividedintoTextDigitWatermarking,ImageWatermarking,andVideoWatermarking.Thetextu
5、suallyconsistsofwords,sentences,paragraphs,punctuationsandotherregularstructures.Itisnoteasytoembedthewatermarkingintothetextandnottobefoundbyinvaders.Withlittleredundantinformationinthetext,thecommontextdigitaltechnologyincludes:theshiftcoding,wordshiftcodingandfeaturecodingandsoon.
6、TheWebPageWatermarkinginthispaperisoneofthetextdigitalwatermarking.WebPageisdifferentfromtheordinaryplaintextdocument.HTMLdocumentisanon-formattedtextwithlabelsandwebpageinformationconstituted.Labels,notcase-sensitive,isusedtocontroltheformatandthedisplayeffectofwebpageinformation,an
7、dcanbedividedintosingle-labelanddual-label.Thesingle-labelcanbeusedalonewiththeformatas;thedual-labelcontainsastartlabelandanendonewiththeformatas.Atpresent,theprogramofembeddingthetextdigitalwatermarkingintothewebpageisbasedonchara
8、cteristicsof
