Re: Hart InterCivic eSlate and eScan machines

From: Joseph Lorenzo Hall <joehall_at_gmail_dot_com>
Date: Sun May 21 2006 - 22:19:28 CDT

Harri Hursti keeps a running list of what scanners produce images that
you can use with votoscope... I think Hart is included in that list...
but that doesn't mean much for the eSlate DRE, I suppose. -Joe

On 5/21/06, Ron Crane <voting@lastland.net> wrote:
>
> Some Diebold models (e.g., the HSCC) record .tif file images, which --
> assuming you can get your hands on them -- can be analyzed by BBV's
> Votoscope and similar software to detect certain kinds of fraud.
> http://www.bbvforums.org/forums/messages/73/17248.html .
>
>
> David Jefferson wrote:
> Most optical scan systems, e.g. the Diebold AccuVote OS, parse the
> paper ballot on the fly as the timing marks and voter ink marks move
> under the heads, and they record only vote counts, not full records
> of the votes on the ballot.
>
> But some newer optical scan systems record an entire full-face TIFF
> image of the ballot, which is later parsed offline using what we
> might call OVR software (optical vote recognition). This is
> theoretically superior, because in principle it allows different,
> independent OVR software to extract votes from the same set of
> images, and any differences can be brought to human attention. Of
> course, in practice we don't have multiple independent OVR
> algorithms processing the data. Also, if the original TIFF image is
> bad because of an optical sensor limitation perhaps, such a problem
> would not be detected.
>
> David
>
>
> On May 21, 2006, at 3:01 PM, Jerry Lobdill wrote:
>
>
>
> Thanks Joseph Hall and Jim Soper for the information. I'll read the
> reports carefully. Are these ballot "images" stored in some picture
> format or as a database record? (No need to answer if the info is
> already in the reports.)
>
> Given that these images are stored, would a tamperer have to change
> both the images and the running tally in order to be home free?
> Obviously, changes could be made to the tally while ignoring the
> ballot images in such a way that a recount would be improbable.
>
> Thanks,
>
> Jerry
>
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> David Jefferson
> d_jefferson@yahoo.com
>
>
>
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>
>
>
>
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>

-- 
Joseph Lorenzo Hall
PhD Student, UC Berkeley, School of Information
<http://josephhall.org/>
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Received on Wed May 31 23:17:05 2006

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