实现结构光中心提取,并进行滤波和膨胀等处理(Re

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实现结构光中心提取,并进行滤波和膨胀等处理(Realization of structural light center extraction)
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<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/62d78ab055398e076babba85/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/62d78ab055398e076babba85/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">I = imread('1.bmp<span class="_ _0"></span>');</div><div class="t m0 x1 h3 y3 ff1 fs0 fc0 sc0 ls0 ws0">thr<span class="_ _0"></span>esh =20;</div><div class="t m0 x1 h3 y4 ff1 fs0 fc0 sc0 ls0 ws0">[r,c] = size(I);</div><div class="t m0 x1 h3 y5 ff1 fs0 fc0 sc0 ls0 ws0">for i = 1:r</div><div class="t m0 x1 h3 y6 ff1 fs0 fc0 sc0 ls0 ws0"> for j = 1:c</div><div class="t m0 x1 h3 y7 ff1 fs0 fc0 sc0 ls0 ws0"> if I(i,j) &lt; thresh</div><div class="t m0 x1 h3 y8 ff1 fs0 fc0 sc0 ls0 ws0"> I(i,j) = 0;</div><div class="t m0 x1 h3 y9 ff1 fs0 fc0 sc0 ls0 ws0"> end</div><div class="t m0 x1 h3 ya ff1 fs0 fc0 sc0 ls0 ws0"> end</div><div class="t m0 x1 h3 yb ff1 fs0 fc0 sc0 ls0 ws0">end</div><div class="t m0 x1 h4 yc ff1 fs0 fc0 sc0 ls0 ws0">%<span class="ff2">&#21019;&#24314;&#39044;&#23450;&#20041;&#28388;&#27874;&#31639;&#23376;</span></div><div class="t m0 x1 h3 yd ff1 fs0 fc0 sc0 ls0 ws0">gaussF<span class="_ _1"></span>ilter = fspecial('gaussian',[7 7],5);</div><div class="t m0 x1 h4 ye ff1 fs0 fc0 sc0 ls0 ws0">%<span class="ff2">&#23545;&#22270;&#20687;&#36827;&#34892;&#28388;&#27874;&#65292;&#8216;</span>replicate&#8217;<span class="ff2">&#34920;&#31034;&#22270;&#20687;&#22823;&#23567;&#36890;&#36807;&#22797;&#21046;&#22806;&#36793;&#30028;&#30340;&#20540;&#26469;&#25193;&#23637;</span></div><div class="t m0 x1 h3 yf ff1 fs0 fc0 sc0 ls0 ws0">I = im*lter(I,gaussF<span class="_ _1"></span>ilter,'re<span class="_ _0"></span>plicate');</div><div class="t m0 x1 h4 y10 ff1 fs0 fc0 sc0 ls0 ws0">%<span class="ff2">&#28784;&#24230;&#25289;&#20280;&#65292;&#22686;&#24378;&#22270;&#20687;&#23545;&#27604;</span></div><div class="t m0 x1 h3 y11 ff1 fs0 fc0 sc0 ls0 ws0">I = im2uint8( mat2gray( log(1 + double(I)) ) ); </div><div class="t m0 x1 h3 y12 ff1 fs0 fc0 sc0 ls0 ws0">imshow(I);</div><div class="t m0 x1 h3 y13 ff1 fs0 fc0 sc0 ls0 ws0">I = double(I)/255;</div><div class="t m0 x1 h4 y14 ff1 fs0 fc0 sc0 ls0 ws0">%<span class="ff2">&#20108;&#20540;&#21270;&#22270;&#20687;</span></div><div class="t m0 x1 h3 y15 ff1 fs0 fc0 sc0 ls0 ws0">thr<span class="_ _0"></span>esh = graythresh(I);</div><div class="t m0 x1 h3 y16 ff1 fs0 fc0 sc0 ls0 ws0">I1=im2bw(I,thre<span class="_ _0"></span>sh);</div><div class="t m0 x1 h3 y17 ff1 fs0 fc0 sc0 ls0 ws0">imshow(I1);</div><div class="t m0 x1 h4 y18 ff1 fs0 fc0 sc0 ls0 ws0">%<span class="ff2">&#33192;&#32960;&#22788;&#29702;</span></div><div class="t m0 x1 h3 y19 ff1 fs0 fc0 sc0 ls0 ws0">I1=bwmorph(I1,'dilate',10);</div><div class="t m0 x1 h3 y1a ff1 fs0 fc0 sc0 ls0 ws0">imshow(I1);</div><div class="t m0 x1 h4 y1b ff1 fs0 fc0 sc0 ls0 ws0">%<span class="ff2">&#33104;&#34432;</span></div><div class="t m0 x1 h3 y1c ff1 fs0 fc0 sc0 ls0 ws0">se = strel('<span class="_ _0"></span>disk',6);</div><div class="t m0 x1 h3 y1d ff1 fs0 fc0 sc0 ls0 ws0">I1=imclose(I1,se);</div><div class="t m0 x1 h3 y1e ff1 fs0 fc0 sc0 ls0 ws0">I1 = bwmorph(I1,'thin',Inf);</div><div class="t m0 x1 h3 y1f ff1 fs0 fc0 sc0 ls0 ws0">% bwl=bwmorph(I,'sk<span class="_ _0"></span>el',Inf);</div><div class="t m0 x1 h3 y20 ff1 fs0 fc0 sc0 ls0 ws0">% *gur<span class="_ _0"></span>e;</div><div class="t m0 x1 h3 y21 ff1 fs0 fc0 sc0 ls0 ws0">imshow(I1);</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>
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