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Allen2014

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RGB=imread('X3.0.bmp');
figure,imshow(RGB,[]);
I=rgb2gray(RGB);
figure,imshow(I,[]);
[BW,t]=edge(I,'sobel','both');
% figure,imshow(BW);
% BW=double(BW);
% [H,theta,rho]=hough(BW);
[H,theta,rho]=hough(BW,'RhoResolution',0.1);
figure,imshow(H,[],'XData',theta,'YData',rho,...
    'InitialMagnification','fit');
xlabel('\theta'),ylabel('\rho');
axis on,axis normal,hold on;
colormap(hot);
P = houghpeaks(H,10,'threshold',ceil(0.1*max(H()));
x = theta(P(:,2)); y = rho(P(:,1));
plot(x,y,'linestyle','none',...
    'marker','s','color','y');
% Find lines and plot them
lines = houghlines(BW,theta,rho,P,'FillGap',5,'MinLength',1);
figure,imshow(BW),hold on
for k = 1:length(lines)
    xy = [lines(k).point1;lines(k).point2];
    plot(xy(:,1),xy(:,2),'LineWidth',2,'Color','r');
end
Matlab »ô·ò±ä»»¼ì²âÖ±ÏßÀ´·Ö¸îͼÏñÎÊÌ⣨¸½´úÂ룩
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