图像数字水印的方案毕业论文.rar

  • 孙兵88
    了解作者
  • matlab
    开发工具
  • 1.2MB
    文件大小
  • rar
    文件格式
  • 0
    收藏次数
  • 10 积分
    下载积分
  • 5
    下载次数
  • 2021-02-06 02:31
    上传日期
图像数字水印的方案毕业论文,基于dct和dwt的算法
图像数字水印的方案毕业论文.rar
  • MATLAB(DCT+DWT).doc
    1.3MB
内容介绍
<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/62679de44f8811599ef02315/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62679de44f8811599ef02315/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">&#31532;&#19977;&#31456; &#22270;&#20687;&#25968;&#23383;&#27700;&#21360;&#30340;&#26041;&#26696;</div><div class="t m0 x2 h4 y3 ff2 fs1 fc0 sc1 ls0 ws0">3.1 <span class="ff1 sc0">&#22270;&#20687;&#25968;&#23383;&#27700;&#21360;&#30340;&#25216;&#26415;&#26041;&#26696;</span></div><div class="t m0 x3 h5 y4 ff1 fs2 fc0 sc1 ls0 ws0">&#22312;&#25968;<span class="_ _0"></span>&#25454;&#24211;<span class="_ _0"></span>&#20013;&#23384;<span class="_ _0"></span>&#20648;&#22312;<span class="_ _0"></span>&#22269;&#38469;<span class="_ _0"></span>&#20114;&#32852;<span class="_ _0"></span>&#32593;&#19978;<span class="_ _0"></span>&#20256;&#36755;<span class="_ _0"></span>&#30340;&#27700;<span class="_ _0"></span>&#21360;&#22270;<span class="_ _0"></span>&#20687;&#19968;<span class="_ _0"></span>&#33324;&#20250;<span class="_ _0"></span>&#34987;&#21387;<span class="_ _0"></span>&#32553;&#65292;<span class="_ _0"></span>&#26377;&#26102;<span class="_ _0"></span>&#36798;&#21040;<span class="_ _0"></span>&#24456;&#39640;<span class="_ _0"></span>&#30340;</div><div class="t m0 x2 h5 y5 ff1 fs2 fc0 sc1 ls0 ws0">&#21387;<span class="_ _1"> </span>&#32553;<span class="_ _1"> </span>&#27604;<span class="_ _1"> </span>&#12290;<span class="_ _1"> </span>&#22240;<span class="_ _1"> </span>&#27492;<span class="_ _2"> </span>&#65292;<span class="_ _1"> </span>&#25968;<span class="_ _2"> </span>&#23383;<span class="_ _1"> </span>&#27700;<span class="_ _1"> </span>&#21360;<span class="_ _1"> </span>&#31639;<span class="_ _1"> </span>&#27861;<span class="_ _1"> </span>&#25152;<span class="_ _2"> </span>&#38754;<span class="_ _1"> </span>&#20020;<span class="_ _1"> </span>&#30340;<span class="_ _1"> </span>&#31532;<span class="_ _1"> </span>&#19968;<span class="_ _1"> </span>&#20010;<span class="_ _2"> </span>&#32771;<span class="_ _1"> </span>&#39564;<span class="_ _1"> </span>&#23601;<span class="_ _1"> </span>&#26159;<span class="_ _1"> </span>&#21387;<span class="_ _1"> </span>&#32553;<span class="_ _2"> </span>&#12290;<span class="_"> </span><span class="ff3">JPEG<span class="_ _3"> </span></span>&#21644;</div><div class="t m0 x2 h5 y6 ff3 fs2 fc0 sc1 ls0 ws0">EZW<span class="_ _0"></span><span class="ff1">&#65288;<span class="_ _0"></span></span>Embedded<span class="_ _0"></span> <span class="_ _0"></span>Zero-T<span class="_ _4"></span>ree W<span class="_ _4"></span>a<span class="_ _4"></span>velet<span class="_ _5"></span><span class="ff1">&#65289;<span class="_ _0"></span>&#21387;<span class="_ _0"></span>&#32553;<span class="_ _0"></span>&#26159;<span class="_ _0"></span>&#26368;<span class="_ _0"></span>&#24120;<span class="_ _5"></span>&#35265;&#30340;<span class="_ _5"></span>&#20004;&#31181;<span class="_ _0"></span>&#21387;<span class="_ _0"></span>&#32553;<span class="_ _5"></span>&#26041;&#27861;<span class="_ _0"></span>&#12290;<span class="_ _6"></span></span>JPEG<span class="_"> </span><span class="ff1">&#26159;&#22522;<span class="_ _5"></span>&#20110;&#31163;</span></div><div class="t m0 x2 h5 y7 ff1 fs2 fc0 sc1 ls0 ws0">&#25955;<span class="_ _0"></span>&#20313;<span class="_ _0"></span>&#24358;<span class="_ _0"></span>&#21464;<span class="_ _0"></span>&#25442;<span class="_ _0"></span>&#22495;<span class="_ _0"></span>&#30340;<span class="_ _0"></span>&#21387;<span class="_ _0"></span>&#32553;<span class="_ _0"></span>&#26041;<span class="_ _0"></span>&#27861;<span class="_ _0"></span>&#65292;<span class="_ _0"></span>&#32780;<span class="_ _1"> </span><span class="ff3">EZW<span class="_"> </span></span>&#26159;&#22522;<span class="_ _0"></span>&#20110;<span class="_ _0"></span>&#23567;<span class="_ _0"></span>&#27874;<span class="_ _0"></span>&#21464;<span class="_ _0"></span>&#25442;<span class="_ _0"></span>&#22495;<span class="_ _0"></span>&#30340;<span class="_ _0"></span>&#21387;<span class="_ _0"></span>&#32553;<span class="_ _0"></span>&#26041;<span class="_ _0"></span>&#27861;<span class="_ _0"></span>&#12290;<span class="_ _0"></span>&#21069;<span class="_ _0"></span>&#20154;<span class="_ _0"></span>&#30340;<span class="_ _0"></span>&#30740;<span class="_ _0"></span>&#31350;<span class="_ _5"></span>&#35777;&#26126;</div><div class="t m0 x2 h5 y8 ff1 fs2 fc0 sc1 ls0 ws0">&#37319;&#29992;<span class="_ _0"></span>&#19982;&#21387;<span class="_ _0"></span>&#32553;&#31639;<span class="_ _0"></span>&#27861;&#30456;<span class="_ _0"></span>&#21516;&#30340;<span class="_ _0"></span>&#21464;&#25442;<span class="_ _0"></span>&#22495;&#27700;<span class="_ _0"></span>&#21360;&#26041;<span class="_ _0"></span>&#27861;&#65292;<span class="_ _0"></span>&#23545;&#20110;<span class="_ _0"></span>&#21387;&#32553;<span class="_ _0"></span>&#30340;&#31283;<span class="_ _0"></span>&#20581;&#24615;<span class="_ _0"></span>&#36739;&#24378;<span class="_ _0"></span>&#12290;&#22240;<span class="_ _0"></span>&#27492;&#65292;<span class="_ _0"></span>&#25105;&#30740;<span class="_ _0"></span>&#31350;&#22270;<span class="_ _0"></span>&#20687;</div><div class="t m0 x2 h5 y9 ff1 fs2 fc0 sc1 ls0 ws0">&#25991;&#20214;&#27700;&#21360;&#31639;&#27861;&#20027;&#35201;&#38598;&#20013;&#22312;&#21464;&#25442;&#22495;&#31639;&#27861;&#21450;&#21033;&#29992;&#20154;&#30524;&#35270;&#35273;&#29305;&#24615;&#19978;&#12290;</div><div class="t m0 x3 h5 ya ff1 fs2 fc0 sc1 ls0 ws0">&#25968;&#23383;<span class="_ _0"></span>&#27700;&#21360;<span class="_ _0"></span>&#30340;&#23884;<span class="_ _0"></span>&#20837;&#35201;<span class="_ _0"></span>&#27714;&#21363;<span class="_ _0"></span>&#35201;&#32771;<span class="_ _0"></span>&#34385;&#35270;<span class="_ _0"></span>&#35273;&#36879;<span class="_ _0"></span>&#26126;&#24615;<span class="_ _0"></span>&#65292;&#21448;<span class="_ _0"></span>&#35201;&#20445;<span class="_ _0"></span>&#35777;&#23884;<span class="_ _0"></span>&#20837;&#27700;<span class="_ _0"></span>&#21360;&#21518;<span class="_ _0"></span>&#22270;&#20687;<span class="_ _0"></span>&#30340;&#31283;<span class="_ _0"></span>&#20581;&#24615;<span class="_ _0"></span>&#65292;</div><div class="t m0 x2 h5 yb ff1 fs2 fc0 sc1 ls0 ws0">&#36825;&#20004;<span class="_ _0"></span>&#20010;&#26041;<span class="_ _0"></span>&#38754;&#23384;<span class="_ _0"></span>&#22312;&#30528;<span class="_ _0"></span>&#30683;&#30462;<span class="_ _0"></span>&#12290;&#20445;<span class="_ _0"></span>&#35777;&#35270;<span class="_ _0"></span>&#35273;&#36879;<span class="_ _0"></span>&#26126;&#24615;<span class="_ _0"></span>&#65292;&#23601;<span class="_ _0"></span>&#35201;&#23558;<span class="_ _0"></span>&#27700;&#21360;<span class="_ _0"></span>&#23884;&#20837;<span class="_ _0"></span>&#21040;&#20154;<span class="_ _0"></span>&#30524;&#19981;<span class="_ _0"></span>&#25935;&#24863;<span class="_ _0"></span>&#21306;&#65292;<span class="_ _0"></span>&#20063;&#23601;<span class="_ _0"></span>&#26159;</div><div class="t m0 x2 h5 yc ff1 fs2 fc0 sc1 ls0 ws0">&#23884;&#20837;<span class="_ _0"></span>&#21040;&#22270;<span class="_ _0"></span>&#20687;&#30340;<span class="_ _0"></span>&#39640;&#39057;<span class="_ _0"></span>&#20998;&#37327;<span class="_ _0"></span>&#20013;&#12290;<span class="_ _0"></span>&#32780;&#22810;<span class="_ _0"></span>&#25968;&#22270;<span class="_ _0"></span>&#20687;&#22788;<span class="_ _0"></span>&#29702;&#26041;<span class="_ _0"></span>&#27861;&#23545;<span class="_ _0"></span>&#20110;&#22270;<span class="_ _0"></span>&#20687;&#39640;<span class="_ _0"></span>&#39057;&#37096;<span class="_ _0"></span>&#20998;&#30340;<span class="_ _0"></span>&#25439;&#22351;<span class="_ _0"></span>&#31243;&#24230;<span class="_ _0"></span>&#36739;&#39640;<span class="_ _0"></span>&#65292;</div><div class="t m0 x2 h5 yd ff1 fs2 fc0 sc1 ls0 ws0">&#22914;&#26377;<span class="_ _0"></span>&#25439;&#21387;<span class="_ _0"></span>&#32553;&#12289;<span class="_ _0"></span>&#39640;&#39057;<span class="_ _0"></span>&#28388;&#27874;<span class="_ _0"></span>&#31561;&#12290;<span class="_ _0"></span>&#27700;&#21360;<span class="_ _0"></span>&#24456;&#23481;<span class="_ _0"></span>&#26131;&#22312;<span class="_ _0"></span>&#32463;&#21382;<span class="_ _0"></span>&#22270;&#20687;<span class="_ _0"></span>&#22788;&#29702;<span class="_ _0"></span>&#30340;&#36807;<span class="_ _0"></span>&#31243;&#20013;<span class="_ _0"></span>&#20002;&#22833;<span class="_ _0"></span>&#12290;&#36825;<span class="_ _0"></span>&#26679;&#65292;<span class="_ _0"></span>&#21017;&#26080;<span class="_ _0"></span>&#27861;</div><div class="t m0 x2 h5 ye ff1 fs2 fc0 sc1 ls0 ws0">&#20445;&#35777;<span class="_ _0"></span>&#22270;&#20687;<span class="_ _0"></span>&#25968;&#23383;<span class="_ _0"></span>&#27700;&#21360;<span class="_ _0"></span>&#30340;&#31283;<span class="_ _0"></span>&#20581;&#24615;<span class="_ _0"></span>&#12290;&#22914;<span class="_ _0"></span>&#26524;&#35201;<span class="_ _0"></span>&#33719;&#24471;<span class="_ _0"></span>&#24456;&#22909;<span class="_ _0"></span>&#30340;&#31283;<span class="_ _0"></span>&#20581;&#24615;<span class="_ _0"></span>&#65292;&#25968;<span class="_ _0"></span>&#23383;&#27700;<span class="_ _0"></span>&#21360;&#24212;<span class="_ _0"></span>&#21152;&#22312;<span class="_ _0"></span>&#20154;&#30524;<span class="_ _0"></span>&#25935;&#24863;<span class="_ _0"></span>&#30340;</div><div class="t m0 x2 h5 yf ff1 fs2 fc0 sc1 ls0 ws0">&#20302;&#39057;<span class="_ _0"></span>&#37096;&#20998;<span class="_ _0"></span>&#65292;&#22270;<span class="_ _0"></span>&#20687;&#30340;<span class="_ _0"></span>&#22823;&#37096;<span class="_ _0"></span>&#20998;&#33021;<span class="_ _0"></span>&#37327;&#38598;<span class="_ _0"></span>&#20013;&#22312;<span class="_ _0"></span>&#20302;&#39057;<span class="_ _0"></span>&#37096;&#20998;<span class="_ _0"></span>&#65292;&#22914;<span class="_ _0"></span>&#26524;&#23545;<span class="_ _0"></span>&#20110;&#20302;<span class="_ _0"></span>&#39057;&#37096;<span class="_ _0"></span>&#20998;&#36827;<span class="_ _0"></span>&#34892;&#22788;<span class="_ _0"></span>&#29702;&#65292;<span class="_ _0"></span>&#27700;&#21360;<span class="_ _0"></span>&#22266;</div><div class="t m0 x2 h5 y10 ff1 fs2 fc0 sc1 ls0 ws0">&#28982;&#20250;<span class="_ _0"></span>&#22833;&#21435;<span class="_ _0"></span>&#65292;&#32780;<span class="_ _0"></span>&#22270;&#20687;<span class="_ _0"></span>&#20063;&#27809;<span class="_ _0"></span>&#26377;&#20102;<span class="_ _0"></span>&#21033;&#29992;<span class="_ _0"></span>&#20215;&#20540;<span class="_ _0"></span>&#65292;&#28982;<span class="_ _0"></span>&#32780;&#65292;<span class="_ _0"></span>&#27700;&#21360;<span class="_ _0"></span>&#30340;&#23884;<span class="_ _0"></span>&#20837;&#20250;<span class="_ _0"></span>&#23545;&#22270;<span class="_ _0"></span>&#20687;&#30340;<span class="_ _0"></span>&#36136;&#37327;<span class="_ _0"></span>&#26377;&#38750;<span class="_ _0"></span>&#24120;&#22823;<span class="_ _0"></span>&#30340;</div><div class="t m0 x2 h5 y11 ff1 fs2 fc0 sc1 ls0 ws0">&#24433;&#21709;&#65292;&#36825;&#21448;&#26080;&#27861;&#20445;&#35777;&#35270;&#35273;&#36879;&#26126;&#24615;&#12290;</div><div class="t m0 x3 h5 y12 ff1 fs2 fc0 sc1 ls0 ws0">&#25968;&#23383;<span class="_ _0"></span>&#27700;&#21360;<span class="_ _0"></span>&#31639;&#27861;<span class="_ _0"></span>&#30340;&#23454;<span class="_ _0"></span>&#29616;&#22522;<span class="_ _0"></span>&#26412;&#20998;<span class="_ _0"></span>&#20026;&#19977;<span class="_ _0"></span>&#20010;&#37096;<span class="_ _0"></span>&#20998;&#65306;<span class="_ _0"></span>&#23487;&#20027;<span class="_ _0"></span>&#22270;&#20687;<span class="_ _0"></span>&#30340;&#21464;<span class="_ _0"></span>&#25442;&#65292;<span class="_ _0"></span>&#27700;&#21360;<span class="_ _0"></span>&#30340;&#23884;<span class="_ _0"></span>&#20837;&#21644;<span class="_ _0"></span>&#27700;&#21360;<span class="_ _0"></span>&#30340;</div><div class="t m0 x2 h5 y13 ff1 fs2 fc0 sc1 ls0 ws0">&#26816;&#27979;&#65292;&#20998;&#21035;&#25551;&#36848;&#22914;&#19979;&#12290;</div><div class="t m0 x4 h4 y14 ff2 fs1 fc0 sc1 ls0 ws0">3.2 <span class="ff1 sc0">&#22522;&#20110;<span class="_ _2"> </span></span>DCT<span class="_ _2"> </span><span class="ff1 sc0">&#22495;&#30340;&#22270;&#20687;&#25968;&#23383;&#27700;&#21360;&#25216;&#26415;</span></div><div class="t m0 x5 h5 y15 ff1 fs2 fc0 sc1 ls0 ws0">&#31163;&#25955;&#20313;<span class="_ _0"></span>&#24358;&#21464;&#25442;<span class="_ _0"></span>&#65288;<span class="ff3">Discrete Co<span class="_ _0"></span>sine T<span class="_ _4"></span>ransform<span class="ff1">&#65289;<span class="_ _0"></span>&#23646;&#20110;&#27491;<span class="_ _0"></span>&#20132;&#21464;&#25442;<span class="_ _0"></span>&#22270;&#20687;&#32534;<span class="_ _0"></span>&#30721;&#26041;&#27861;<span class="_ _0"></span>&#20013;&#30340;&#19968;<span class="_ _0"></span>&#31181;<span class="_ _0"></span>&#12290;</span></span></div><div class="t m0 x2 h5 y16 ff1 fs2 fc0 sc1 ls0 ws0">&#27491;&#20132;<span class="_ _0"></span>&#21464;&#25442;<span class="_ _0"></span>&#22270;&#20687;<span class="_ _0"></span>&#32534;&#30721;<span class="_ _0"></span>&#22987;&#20110;<span class="_ _1"> </span><span class="ff3">1968<span class="_ _2"> </span></span>&#24180;&#12290;&#24403;<span class="_ _0"></span>&#26102;&#23433;<span class="_ _0"></span>&#24503;&#40065;<span class="_ _0"></span>&#26031;&#65288;<span class="_ _5"></span><span class="ff3">Andrews</span>&#65289;&#31561;<span class="_ _0"></span>&#20154;&#21457;<span class="_ _0"></span>&#29616;&#22823;<span class="_ _0"></span>&#22810;&#25968;<span class="_ _0"></span>&#33258;&#28982;<span class="_ _0"></span>&#22270;&#20687;</div><div class="t m0 x2 h5 y17 ff1 fs2 fc0 sc1 ls0 ws0">&#30340;&#39640;<span class="_ _0"></span>&#39057;&#20998;<span class="_ _0"></span>&#37327;&#30456;<span class="_ _0"></span>&#23545;&#24133;<span class="_ _0"></span>&#24230;&#36739;<span class="_ _0"></span>&#20302;&#65292;<span class="_ _0"></span>&#21487;&#23436;<span class="_ _0"></span>&#20840;&#33293;<span class="_ _0"></span>&#24323;&#25110;<span class="_ _0"></span>&#32773;&#21482;<span class="_ _0"></span>&#29992;&#23569;<span class="_ _0"></span>&#25968;&#30721;<span class="_ _0"></span>&#23383;&#32534;<span class="_ _0"></span>&#30721;&#65292;<span class="_ _0"></span>&#25552;&#20986;<span class="_ _0"></span>&#19981;&#23545;<span class="_ _0"></span>&#22270;&#20687;<span class="_ _0"></span>&#26412;&#36523;<span class="_ _0"></span>&#32534;</div><div class="t m0 x2 h5 y18 ff1 fs2 fc0 sc1 ls0 ws0">&#30721;&#65292;&#21482;<span class="_ _0"></span>&#23545;&#20854;&#20108;<span class="_ _0"></span>&#32500;&#20613;&#31435;<span class="_ _0"></span>&#21494;&#65288;<span class="_ _0"></span><span class="ff3">DFT</span>&#65289;<span class="_ _0"></span>&#31995;&#25968;&#36827;<span class="_ _0"></span>&#34892;&#32534;&#30721;<span class="_ _0"></span>&#21644;&#20256;&#36755;<span class="_ _0"></span>&#12290;&#20294;<span class="_ _2"> </span><span class="ff3">DFT<span class="_"> </span></span>&#26159;&#19968;&#31181;&#27491;&#20132;&#21464;<span class="_ _0"></span>&#25442;&#65292;&#36816;<span class="_ _0"></span>&#31639;</div><div class="t m0 x2 h5 y19 ff1 fs2 fc0 sc1 ls0 ws0">&#37327;<span class="_ _0"></span>&#24456;<span class="_ _0"></span>&#22823;<span class="_ _0"></span>&#65292;<span class="_ _0"></span>&#24120;<span class="_ _0"></span>&#24120;<span class="_ _0"></span>&#20351;<span class="_ _0"></span>&#23454;<span class="_ _0"></span>&#26102;<span class="_ _0"></span>&#22788;<span class="_ _0"></span>&#29702;<span class="_ _0"></span>&#21457;<span class="_ _0"></span>&#29983;<span class="_ _0"></span>&#22256;<span class="_ _0"></span>&#38590;<span class="_ _0"></span>&#65292;<span class="_ _0"></span>&#31532;<span class="_ _0"></span>&#20108;<span class="_ _0"></span>&#24180;<span class="_ _0"></span>&#20182;<span class="_ _0"></span>&#20204;<span class="_ _0"></span>&#23601;<span class="_ _0"></span>&#29992;<span class="_ _7"> </span><span class="ff3">W<span class="_ _8"></span>alsh-Hadamard<span class="_"> </span><span class="ff1">&#21464;&#25442;<span class="_ _0"></span>&#65288;<span class="_ _0"></span></span>WHT<span class="_ _5"></span><span class="ff1">&#65289;</span></span></div><div class="t m0 x2 h5 y1a ff1 fs2 fc0 sc1 ls0 ws0">&#21462;&#20195;<span class="_ _2"> </span><span class="ff3">DFT<span class="_ _2"> </span></span>&#21487;&#20197;<span class="_ _0"></span>&#20351;&#36816;<span class="_ _0"></span>&#31639;&#37327;<span class="_ _0"></span>&#26126;&#26174;<span class="_ _0"></span>&#20943;&#23569;<span class="_ _0"></span>&#65292;&#36825;<span class="_ _0"></span>&#26159;&#22240;<span class="_ _0"></span>&#20026;<span class="_ _1"> </span><span class="ff3">WHT<span class="_"> </span></span>&#21464;&#25442;&#21482;<span class="_ _0"></span>&#26377;&#21152;<span class="_ _0"></span>&#20943;&#27861;<span class="_ _0"></span>&#32780;&#26080;<span class="_ _0"></span>&#38656;&#20056;<span class="_ _0"></span>&#27861;&#12290;<span class="_ _0"></span>&#20294;&#26159;</div><div class="t m0 x2 h5 y1b ff1 fs2 fc0 sc1 ls0 ws0">&#26356;&#26377;<span class="_ _0"></span>&#24847;&#20041;<span class="_ _0"></span>&#30340;&#26159;<span class="_ _0"></span>&#31163;&#25955;<span class="_ _0"></span>&#20313;&#24358;<span class="_ _0"></span>&#21464;&#25442;<span class="_ _0"></span>&#21644;&#31163;<span class="_ _0"></span>&#25955;&#27491;<span class="_ _0"></span>&#26059;&#21464;<span class="_ _0"></span>&#25442;&#30340;<span class="_ _0"></span>&#20986;&#29616;<span class="_ _0"></span>&#65292;&#23427;<span class="_ _0"></span>&#20204;&#20855;<span class="_ _0"></span>&#26377;&#24555;<span class="_ _0"></span>&#36895;&#31639;<span class="_ _0"></span>&#27861;&#65292;<span class="_ _0"></span>&#31934;&#30830;<span class="_ _0"></span>&#24230;&#39640;<span class="_ _0"></span>&#12290;</div><div class="t m0 x2 h5 y1c ff1 fs2 fc0 sc1 ls0 ws0">&#20854;<span class="_ _0"></span>&#20013;<span class="_ _0"></span>&#26368;<span class="_ _0"></span>&#37325;<span class="_ _0"></span>&#35201;<span class="_ _0"></span>&#30340;<span class="_ _0"></span>&#26159;<span class="_ _2"> </span><span class="ff3">1974<span class="_"> </span></span>&#24180;&#25552;<span class="_ _0"></span>&#20986;<span class="_ _0"></span>&#30340;<span class="_ _2"> </span><span class="ff3">DCT<span class="_ _0"></span></span>&#65292;<span class="_ _0"></span>&#22240;<span class="_ _5"></span>&#20026;&#20854;<span class="_ _0"></span>&#21464;<span class="_ _0"></span>&#25442;<span class="_ _0"></span>&#30697;<span class="_ _0"></span>&#38453;<span class="_ _0"></span>&#30340;<span class="_ _0"></span>&#22522;<span class="_ _0"></span>&#21521;<span class="_ _0"></span>&#37327;<span class="_ _0"></span>&#24456;<span class="_ _0"></span>&#36817;<span class="_ _0"></span>&#20284;<span class="_ _0"></span>&#20110;<span class="_ _0"></span>&#25176;<span class="_ _0"></span>&#20271;<span class="_ _0"></span>&#21033;<span class="_ _0"></span>&#20857;<span class="_ _0"></span>&#30697;</div><div class="t m0 x2 h5 y1d ff1 fs2 fc0 sc1 ls0 ws0">&#38453;&#30340;<span class="_ _0"></span>&#29305;&#24449;<span class="_ _0"></span>&#21521;&#37327;<span class="_ _0"></span>&#65292;&#32780;<span class="_ _0"></span>&#25176;&#20271;<span class="_ _0"></span>&#21033;&#20857;<span class="_ _0"></span>&#30697;&#38453;<span class="_ _0"></span>&#21448;&#20307;<span class="_ _0"></span>&#29616;&#20102;<span class="_ _0"></span>&#20154;&#31867;<span class="_ _0"></span>&#35821;<span class="_ _0"></span><span class="ff4">&#35328;</span>&#21450;<span class="_ _0"></span>&#22270;&#20687;<span class="_ _0"></span><span class="ff4">&#20449;&#21495;<span class="_ _0"></span></span>&#30340;&#30456;<span class="_ _0"></span><span class="ff4">&#20851;</span>&#24615;<span class="_ _0"></span>&#12290;&#22240;<span class="_ _0"></span>&#27492;&#65292;<span class="_ _5"></span><span class="ff3">DCT</span></div><div class="t m0 x2 h5 y1e ff1 fs2 fc0 sc1 ls0 ws0">&#24120;&#24120;&#34987;<span class="ff4">&#35748;</span>&#20026;&#26159;&#35821;<span class="ff4">&#38899;</span>&#19982;&#22270;&#20687;<span class="ff4">&#20449;&#21495;</span>&#21464;&#25442;&#30340;<span class="ff4">&#20934;</span>&#26368;<span class="ff4">&#20339;</span>&#21464;&#25442;&#12290;</div><div class="t m0 x5 h5 y1f ff1 fs2 fc0 sc1 ls0 ws0">&#22270;&#20687;&#26159;&#20108;&#32500;&#30340;&#65292;&#25152;&#20197;&#22312;&#30740;&#31350;&#26102;&#20027;&#35201;&#29992;&#21040;&#20108;&#32500;<span class="_ _1"> </span><span class="ff3">DCT</span>&#65292;&#20197;&#21450;&#20108;&#32500;<span class="_ _2"> </span><span class="ff3">IDCT<span class="_ _9"> </span><span class="ff4">&#26469;</span></span>&#23545;&#22270;&#20687;&#36827;&#34892;</div><div class="t m0 x2 h5 y20 ff1 fs2 fc0 sc1 ls0 ws0">&#22788;&#29702;&#12290;</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div> </body> </html>
评论
    相关推荐
    • DCT水印.rar
      水印,旨在保护数字资源的版权信息,保障数字媒体内容的安全性,解决网络上的侵权问题,数字水印技术应运而生。
    • DCT水印.zip
      使用matlab实现的DCT水印算法,文件夹中有相关图片。
    • dct水印.zip
      通过dct的8*8块的变换量化操作结合水印生成水印图像,其中包含几种常见的攻击测试。
    • MATLAB数字水印DCT算法.rar
      随着数字水印技术的发展,数字水印的应用领域也得到了扩展,数字水印的基本应用领域是版权保护、隐藏标识、认证和安全不可见通信。 当数字水印应用于版权保护时,潜在的应用市场在于电子商务、在线或离线地分发...
    • DCT水印算法
      DCT水印实现 Matlab
    • vc++ dct 数字水印
      vc++ dct变换实现数字水印程序,~~~~~~
    • matlab dct 数字水印
      基于matlab以及dct变化方法编写的数字水印算法,比较适合初学者,可以作为大家的参考,欢迎下载
    • MATLAB数字水印DCT算法界面GUI.zip
      MATLAB数字水印DCT方法,带界面GUI,包括嵌入,攻击,提取 ,鲁棒性评价。
    • DCT数字水印实现
      DCT数字水印算法的matlab实现,该程序反映了DCT算法的强健性和鲁棒性。
    • 实验六DCT域图像水印嵌入与检测.zip
      1、对给定图像完成DCT变换。 2、在DCT域完成水印嵌入与检测。