Problem with finding Hough Transform

IPlover

2014 5 22

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5 次查看（30 天）

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I wrote the following code for finding hough transform but it shows the following error

Error in hough (line 8) [H,T,R] = hough(BW,'RhoResolution',0.5,'Theta',-90:0.5:89.5);

 RGB = imread('C:\Users\Admin\Documents\MATLAB\sample.jpg');
I  = rgb2gray(RGB);
BW = edge(I,'canny');
[H,T,R] = hough(BW,'RhoResolution',0.5,'Theta',-90:0.5:89.5);
subplot(2,1,1);
imshow(RGB);
title('Sample Image');
subplot(2,1,2);
imshow(imadjust(mat2gray(H)),'XData',T,'YData',R,...
      'InitialMagnification','fit');
title('Hough Transform of Sample Image');
xlabel('\theta'), ylabel('\rho');
axis on, axis normal, hold on;
colormap(hot);
end