Re: Identifying filled circles in a scanned image

2006-04-01 Thread Terry Reedy
"> Douglas Douglas <[EMAIL PROTECTED]> writes: > >> 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. >> >>

Re: Identifying filled circles in a scanned image

2006-04-01 Thread John J. Lee
Douglas Douglas <[EMAIL PROTECTED]> writes: > 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

Re: Identifying filled circles in a scanned image

2006-03-30 Thread Claudio Grondi
Douglas Douglas wrote: > First of all. Thanks Claudio and nikie for your fast answers. > > What I want to do is process the forms automatically. Each circle match a > letter (like in a quiz). So if the user select option A in a row, he fills the > first circle. If he select option C in the next ro

Re: Identifying filled circles in a scanned image

2006-03-30 Thread Paul McGuire
Douglas Douglas wrote: > The problem is that when the scanner takes the pages it > doesn't put it in the same exact position in its bed. There's not a lot of > difference, but there's a little. Your forms should have some reference registration marks or targets in opposite corners. Find these fi

Re: Identifying filled circles in a scanned image

2006-03-30 Thread Douglas Douglas
First of all. Thanks Claudio and nikie for your fast answers. What I want to do is process the forms automatically. Each circle match a letter (like in a quiz). So if the user select option A in a row, he fills the first circle. If he select option C in the next row, he fills the third circle of t

Re: Identifying filled circles in a scanned image

2006-03-30 Thread nikie
Douglas Douglas schrieb: > 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 P

Re: Identifying filled circles in a scanned image

2006-03-30 Thread Claudio Grondi
Douglas Douglas wrote: > 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 Py

Identifying filled circles in a scanned image

2006-03-30 Thread Douglas Douglas
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 fo