i tried these but the edge detection algorithms are not able to detect the
edges well like closed figures, it will detect some bright portion of the
object, what i am saying is impossible or not developed yet?
YOurs SaRIn....


On Sun, May 16, 2010 at 10:15 PM, Jake Anderson <jake@vapourforge.com>wrote:

> Sarin Sukumar A wrote:
> > I have a project where i want to detect and count bubbles in a test tube.
> > I am using opencv; i used hough circle detecting algorithm. But its of no
> > use for this purpose
> > Any one know any kind of algorithm to count specific objects or any shape
> > analyzing techniques?
> > any kind of information or ideas are welcomed
> > thanks in advance
> > YOurs SaRIn....
> >
> I don't know specifically about bubble counting but my first blush at
> how to do this would be to run an edge detection filter, smooth it
> somewhat with a simple kernel, perhaps one slightly weighted to make
> circles of whatever the average diameter of your bubbles are to fill in
> any 1 pixel gap type issues. Then go through and count the "holes" in
> the resultant image (look for closed polygons).
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