图像识别实验

gaohaikuo1

1. I = imread('count.png');
   
2. subplot(2,3,1);imshow(I);
   
3. I_gray = rgb2gray(I);
   
4. I_bw = I_gray< 100;
   
5. subplot(2,3,2);imshow(I_bw,[]);
   
6. I_circle = zeros(size(I_bw));
   
7. [I_label,num] = bwlabel(I_bw);
   
8. subplot(2,3,3);imshow(I_label,[]);
   
9. for i = 1:num
   
10.     I_bw1 = I_label == i;
    
11.     subplot(2,3,4);imshow(I_bw1,[]);
    
12.     S1 = sum(sum(I_bw1));
    
13.     I_edge1 = abs(imfilter(double(I_bw1)...
    
14.     ,[-1,1]));
    
15.     I_edge2 = abs(imfilter(double(I_bw1)...
    
16.     ,[-1;1]));
    
17.     I_edge = (I_edge1 +I_edge2 )>0;
    
18.     subplot(2,3,5);imshow(I_edge,[]);
    
19.     L = sum(sum(I_edge));
    
20.     R = 4*pi*S1/L^2
    
21.     if R > 0.8
    
22.         I_circle = I_circle + I_bw1;
    
23.     end
    
24. end
    
25. subplot(2,3,6);imshow(I_circle,[]);

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