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1、湖南大學(xué)畢業(yè)設(shè)計(jì)(論文)HUNANUNIVERSITY畢業(yè)設(shè)計(jì)(論文)設(shè)計(jì)論文題目：小波變換的數(shù)字水印算法設(shè)計(jì)與實(shí)現(xiàn)學(xué)生姓名：學(xué)生學(xué)號：專業(yè)班級：學(xué)院名稱：指導(dǎo)老師：學(xué)院院長：電子信息工程2班電氣信息與工程學(xué)院2015年6月1日V湖南大學(xué)畢業(yè)設(shè)計(jì)(論文)摘要伴隨著計(jì)算機(jī)技術(shù)通信以及因特網(wǎng)的迅猛發(fā)展，對作者版權(quán)的保護(hù)越來越被人們所重視，特別是在數(shù)字產(chǎn)品的知識產(chǎn)權(quán)方面，為此人們做了廣泛深入的研究。而數(shù)字水印技術(shù)是用了某些方式把水印數(shù)據(jù)信息隱藏在載體數(shù)據(jù)中來證明數(shù)字作品的版權(quán)和所有權(quán)，是解決這個問題的一種有效方法。現(xiàn)今對數(shù)字水印技術(shù)進(jìn)行研究
2、的國家和機(jī)構(gòu)不少，也取得了很大成果。尤其是基于小波變換算法的數(shù)字水印技術(shù)，因?yàn)橄啾容^于其他算法的優(yōu)越性，得到了更多的關(guān)注。近年來對小波理論的研究深入和完善，小波變換分析已經(jīng)被應(yīng)用到各個不同的領(lǐng)域。本文通過設(shè)計(jì)簡單的小波變換算法模型，于MATLAB平臺仿真對于版權(quán)圖片的水印嵌入，提取過程，表明基于小波變換的數(shù)字水印具有優(yōu)秀的隱蔽性和穩(wěn)健性。關(guān)鍵詞：數(shù)字水??；小波變換；信息隱藏；水印嵌入；水印提取V湖南大學(xué)畢業(yè)設(shè)計(jì)(論文)AbstractAlongwiththerapiddevelopmentofcomputertechnology,co
3、mmunicationsandtheInternet,copyrightprotectionhasbeengrowingattention,especiallyintheintellectualpropertyofdigitalproducts,ithasdoneextensiveresearch.Thedigitalwatermarkingtechnologyforimages,video,audioandotherproductsofcopyrightprotectionhasplayedagoodrole,especiallyw
4、avelettransformalgorithmbasedondigitalwatermarkingtechnology,ascomparedtothesuperiorityofotheralgorithms,gotmoreattention.Inrecentyears,thestudyandimprovementofdepthwavelettheory,wavelettransformanalysishasbeenappliedtovariousfields.Inthispaper,thewavelettransformalgori
5、thmdesignsimplemodelinMatlabsimulationplatformforimagecopyrightwatermarkembedding,extractionprocess,showntohaveexcellentconcealmentandrobustnessofdigitalwatermarkingbasedonwavelettransform.Keywords:digitalwatermarking;wavelettransform;informationhiding;watermarking;wate
6、rmarkextractionV湖南大學(xué)畢業(yè)設(shè)計(jì)(論文)目錄摘要····················································ⅡAbstract··································Ⅲ第1章緒論·······························11.1數(shù)字水印技術(shù)背景·····················11.2研究目的及意義······················11.3數(shù)字水印發(fā)展和現(xiàn)狀····················1第2章數(shù)字水
7、印基礎(chǔ)理論···················32.1數(shù)字水印概述·······················32.2數(shù)字水印特點(diǎn)·······················32.3數(shù)字水印分類·······················42.4數(shù)字水印算法·······················42.5數(shù)字水印應(yīng)用·······················6第3章小波變換基礎(chǔ)理論····················73.1小波分析發(fā)展歷程·····················73.2小波變換與小波函數(shù)···
8、·················83.2.1連續(xù)小波變換·····················93.2.2離散小波變換······················103.3多分辨率分析···············
