How to find groups of the same number and color, gives a different color in MATLAB?

Question

I would like to give a different color for the same group of numbers.

Suppose I have an image matrix.

I = [0     0     0     0     0     0     0     0     0     0
     0     0     1     0     0     0     0     0     0     0
     0     1     1     0     0     0     0     1     0     0
     0     1     1     1     0     0     1     1     0     0
     0     1     1     0     0     0     1     1     1     0
     0     0     1     1     0     0     1     1     0     0
     0     0     1     1     0     0     0     1     0     0
     0     0     0     0     0     0     0     0     0     0
     0     0     0     0     0     0     0     0     0     0
     0     0     0     0     0     0     0     0     0     0]

here I have a group 1s 2 times and I would like to give two different colors for each group. but I cannot make them as two groups. I can just give one color for both groups.

sz=size(I);
color=(1,3)

    red(I == 1) = color(1, 1);
    green(I == 1) = color(1, 2);
    blue(I == 1) = color(1, 3);
    for i = 1:sz(1)
        for j = 1:sz(2)            
            if L(i, j) == 1
                red(i, j) = color(1, 1);
                green(i, j) = color(1, 2);
                blue(i, j) = color(1, 3);
            end
        end
    end
end
im = cat(3, red, green, blue);
figure, imshow(im)

please help me...............

Answer 1

use bwlabelfor your matrix.

A=bwlabel(I)