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Closing unclosed circles

Started by sandhya nageswaren June 12, 2008
Hi,
I am working on the particle analysis and automatic cell counting. I have successfully managed to threshold the image. However,there is another thing that is a problem. I get a lot of unclosed circles. This is happening because part of the nanocrystal is merged with the background.I would like to close the circles first and then use "imfill" to fill them.

Does anyone know how to complete those circles in matlab? Is there anyway I could close the unclosed circles.
Please let me know.
I have attached a figure for you all to see.
Thanks in advance,
Sandhya