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基于小波多尺度分析算法的边缘检测,代替常用的边缘检测算子,SOBEL,PREWITT,ROBERTS等
小波边缘检测 DOC 文档.rar
  • 小波边缘检测 DOC 文档.doc
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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/6270772e7b370112143a5278/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/6270772e7b370112143a5278/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">%<span class="ff2">&#23567;&#27874;&#22810;&#23610;&#24230;&#36793;&#32536;&#26816;&#27979;&#20027;&#31243;&#24207;</span> </div><div class="t m0 x1 h4 y3 ff1 fs0 fc1 sc0 ls0 ws0">close <span class="fc2">all</span> </div><div class="t m0 x1 h4 y4 ff1 fs0 fc1 sc0 ls0 ws0">clc </div><div class="t m0 x1 h4 y5 ff1 fs0 fc1 sc0 ls0 ws0">I = imread(<span class="fc2">'cameraman.tif'</span>); </div><div class="t m0 x1 h4 y6 ff1 fs0 fc1 sc0 ls0 ws0">[row,col]=size(I); </div><div class="t m0 x1 h4 y7 ff1 fs0 fc1 sc0 ls0 ws0"> </div><div class="t m0 x1 h3 y8 ff1 fs0 fc0 sc0 ls0 ws0">%<span class="ff2">&#20351;&#29992;&#30340;&#23567;&#27874;&#20989;&#25968;</span> </div><div class="t m0 x1 h4 y9 ff1 fs0 fc1 sc0 ls0 ws0">wname=<span class="fc2">'bior4.4'</span>; </div><div class="t m0 x1 h4 ya ff1 fs0 fc1 sc0 ls0 ws0"> </div><div class="t m0 x1 h3 yb ff1 fs0 fc0 sc0 ls0 ws0">% <span class="ff2">&#26174;&#31034;&#21407;&#22270;</span> </div><div class="t m0 x1 h4 yc ff1 fs0 fc1 sc0 ls0 ws0">subplot(2,3,1); </div><div class="t m0 x1 h4 yd ff1 fs0 fc1 sc0 ls0 ws0">imshow(I); </div><div class="t m0 x1 h3 ye ff1 fs0 fc1 sc0 ls0 ws0">title(<span class="fc2">'<span class="ff2">&#21407;&#22270;</span>'</span>); </div><div class="t m0 x1 h4 yf ff1 fs0 fc1 sc0 ls0 ws0"> </div><div class="t m0 x1 h3 y10 ff1 fs0 fc0 sc0 ls0 ws0">%canny<span class="_ _0"> </span><span class="ff2">&#31639;&#27861;</span> </div><div class="t m0 x1 h4 y11 ff1 fs0 fc1 sc0 ls0 ws0">bw= edge(I,<span class="fc2">'canny'</span>); </div><div class="t m0 x1 h4 y12 ff1 fs0 fc1 sc0 ls0 ws0">subplot(2,3,2); </div><div class="t m0 x1 h4 y13 ff1 fs0 fc1 sc0 ls0 ws0">imshow(bw); </div><div class="t m0 x1 h3 y14 ff1 fs0 fc1 sc0 ls0 ws0">title(<span class="fc2">'Canny<span class="_ _0"> </span><span class="ff2">&#27861;</span>'</span>); </div><div class="t m0 x1 h4 y15 ff1 fs0 fc1 sc0 ls0 ws0"> </div><div class="t m0 x1 h4 y16 ff1 fs0 fc1 sc0 ls0 ws0">I = double(I); </div><div class="t m0 x1 h4 y17 ff1 fs0 fc1 sc0 ls0 ws0"> </div><div class="t m0 x1 h3 y18 ff1 fs0 fc0 sc0 ls0 ws0">% <span class="ff2">&#23545;&#22270;&#20687;&#36827;&#34892;&#19977;&#23618;&#23567;&#27874;&#21464;&#25442;</span> </div><div class="t m0 x1 h4 y19 ff1 fs0 fc1 sc0 ls0 ws0">[ca1,ch1,cv1,cd1] = dwt2(I,wname); </div><div class="t m0 x1 h4 y1a ff1 fs0 fc1 sc0 ls0 ws0">[ca2,ch2,cv2,cd2] = dwt2(ca1,wname); </div><div class="t m0 x1 h4 y1b ff1 fs0 fc1 sc0 ls0 ws0">[ca3,ch3,cv3,cd3] = dwt2(ca2,wname); </div><div class="t m0 x1 h4 y1c ff1 fs0 fc1 sc0 ls0 ws0"> </div><div class="t m0 x1 h3 y1d ff1 fs0 fc0 sc0 ls0 ws0">% <span class="ff2">&#21508;&#23618;&#23567;&#27874;&#31995;&#25968;&#27714;&#26497;&#20540;&#28857;&#21450;&#26497;&#20540;&#28857;&#30340;&#26799;&#24230;&#20540;&#65288;&#35282;&#24230;&#65289;&#65307;</span> </div><div class="t m0 x1 h4 y1e ff1 fs0 fc1 sc0 ls0 ws0">thr=4;a0=1;n=7; </div><div class="t m0 x1 h4 y1f ff1 fs0 fc1 sc0 ls0 ws0">[edge_mf1,grads1] = local_max_mode(cv1,ch1,thr,a0,n); </div><div class="t m0 x1 h4 y20 ff1 fs0 fc1 sc0 ls0 ws0"> </div><div class="t m0 x1 h4 y21 ff1 fs0 fc1 sc0 ls0 ws0">thr=15;a0=1;n=5; </div><div class="t m0 x1 h4 y22 ff1 fs0 fc1 sc0 ls0 ws0">[edge_mf2,grads2] = local_max_mode(cv2,ch2,thr,a0,n); </div><div class="t m0 x1 h4 y23 ff1 fs0 fc1 sc0 ls0 ws0"> </div><div class="t m0 x1 h4 y24 ff1 fs0 fc1 sc0 ls0 ws0">thr=30;a0=1;n=3; </div><div class="t m0 x1 h4 y25 ff1 fs0 fc1 sc0 ls0 ws0">[edge_mf3,grads3] = local_max_mode(cv3,ch3,thr,a0,n); </div><div class="t m0 x1 h4 y26 ff1 fs0 fc1 sc0 ls0 ws0"> </div><div class="t m0 x1 h3 y27 ff1 fs0 fc0 sc0 ls0 ws0">% <span class="ff2">&#23545;&#26497;&#20540;&#28857;&#30697;&#38453;&#24402;&#19968;&#21270;</span> </div><div class="t m0 x1 h4 y28 ff1 fs0 fc1 sc0 ls0 ws0">edge_mf1=guiyi(edge_mf1); </div><div class="t m0 x1 h4 y29 ff1 fs0 fc1 sc0 ls0 ws0">edge_mf2=guiyi(edge_mf2); </div><div class="t m0 x1 h4 y2a ff1 fs0 fc1 sc0 ls0 ws0">edge_mf3=guiyi(edge_mf3); </div></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div> </body> </html>
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