Matlab program lines need explanation

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Abinaya 2014-2-6

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/115115-matlab-program-lines-need-explanation

编辑： Walter Roberson 2014-2-6

Peaks = houghpeaks(H,40,'threshold',ceil(0.3*max(H(:))));
x = theta(Peaks(:,2));
y = rho(Peaks(:,1));
plot(x,y,'s','color','black');
lines = houghlines(BW,theta,rho,Peaks,'FillGap',5,'MinLength',7);
imshow(I); hold on;
max_len = 0;
minlinelen = 15;
for k = 1:length(lines)
   len = norm(lines(k).point1 - lines(k).point2);
   if (len > minlinelen)
    xy = [lines(k).point1; lines(k).point2];
     plot(xy(:,1),xy(:,2),'LineWidth',2,'Color','green');