Re: Bar Code Scheme for Ballot

From: Edward Cherlin <edward_dot_cherlin_at_etssg_dot_com>
Date: Tue Aug 26 2003 - 17:14:00 CDT

On Thursday 21 August 2003 11:47 am, Alan Dechert wrote:
> David made some interesting comments about the bar code. I
> will take his last comment first.
>
> > As well, ballots with write-in candidates will presumably
> > require considerably longer bar codes than will ones that
> > only select standard candidates. Even without recognizing
> > specific patterns, it might be obvious THAT someone
> > voted for a write-in candidate (which partially punctures
> > ballot anonymity).
>
> Yes. I've given that some thought. That's partly why I've
> advocated NOT barcoding the write-in names.
>
> If we commit to barcoding write-ins, we almost certainly will
> require a high-density 2D scheme (can handle 4,000 chars in a
> small postage stamp sized code). Our software and printers
> could probably handle it fine but I think the readers are too
> expensive. If at all possible, I think we should stick with
> very cheap commodity readers.

Any sheet-fed scanner can create image files of the bar-code
areas on the ballots, and we can get free software to decode the
images. We don't need expensive proprietary single-function
devices.

-- 
Edward Cherlin, Simputer Evangelist
Encore Technologies (S) Pte. Ltd.
Computers for all of us
http://www.simputerland.com, http://cherlin.blogspot.com
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Received on Sun Aug 31 23:17:16 2003

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