Identifying filled circles in a scanned image

Douglas Douglas replaceafill at yahoo.com
Fri Mar 31 01:10:44 CEST 2006


Hi everybody.

I have a paper form that I scan into an image. My user fills some circles in
this paper form using black ink. Every form has ten rows with five circles each
and the user fills only one circle for each row.

I was wondering if I could use the Python Imaging Library to process these
forms. I know the Image class is really powerful, but I can't think of a way of
how to locate wich circle was filled.

Could anybody please give me an advice on this?

Thanks.

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