Finding area of objects

I want to find the area of the circled objects. When I binarized I got the second image. Seeking expert opinion to solve this.

Answer 1

[darova]

Try this script

I0 = imread('image.jpeg');
I1 = im2bw(I0);
imshow(I1)

while 1
    [x,y] = ginput(1);
    I2 = bwselect(I1,x,y);
    imshow(1/3*I1+2/3*I2)
    str = sprintf('Selected area: %d pix',sum(I2(:)) );
    title(str)
end