I = imread('F:h.png');
info = imfinfo('F:h.png');
I1 = ~im2bw(I);
I2 = bwlabel(I1);
S = regionprops(I2, {'BoundingBox'});
[m,n] = size(S);
for a=1:m
    for b=1:n
        width = S(a,b).BoundingBox(3);
        height = S(a,b).BoundingBox(4);
        if width==height
            display('square');
        else
            display('rectangle');
        end
        display(width);
        display(height);
        pause(2)
    end
end

I = imread('F:h.png');
info = imfinfo('F:h.png');
I1 = ~im2bw(I);
I2 = bwlabel(I1);
S = regionprops(I2, {'BoundingBox'});
[m,n] = size(S);
for a=1:m
    for b=1:n
        width = S(a,b).BoundingBox(3);
        height = S(a,b).BoundingBox(4);
        if width==height
            display('square');
            text(S(a,b).Centroid, 'square')
        else
            display('rectangle');
            text(S(a,b).Centroid, 'rectangle')
        end
        display(width);
        display(height);
        pause(2)
    end
end