title: how can i apply blob extraction on an edge image?
body: <p>I have an edge image and I want to do Blob (object) detection , i have tried do typical blob analysis with CvBlob but the result is poor(i'm working with OPENCV )
  here is an example of and input image.
  <a href="http://postimg.org/image/6uvzhdqad/" rel="nofollow">http://postimg.org/image/6uvzhdqad/</a></p>