how to numbering the objects in the binary image ?

the image which is binary has black (or white) objects and i want to number each black objects so that number should be displayed on the object(with particular color) and also to find the area of the black objects in the image.

i had attached the image to show how the result image should be

Answer 1

[Dishant Arora]

Go through this demo:

http://www.mathworks.com/matlabcentral/fileexchange/25157-image-segmentation-tutorial-blobsdemo