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Subject:
Re: Aperture card scanner
From:
Chris Flynn <[log in to unmask]>
Reply To:
Records Management Program <[log in to unmask]>
Date:
Thu, 24 Oct 2013 10:23:06 -0500
Content-Type:
text/plain
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text/plain (51 lines) 
Gee, I wish someone would have come up with the idea of developing a macro
compression standard for ANSI.
DjVu is the business application of MrSID.
Pretty cool stuff
http://en.wikipedia.org/wiki/MrSID

Chris Flynn


On Thu, Oct 24, 2013 at 9:57 AM, Roach, Bill <[log in to unmask]> wrote:

> >> We bit the bullet a few years ago, sent all our aperture cards to a
> scanning bureau, and replaced them with images now in our EDMS.<<
>
> If you are scanning aperture cards or engineering drawings, you may want
> to consider storing the original image and the reference copy in different
> places and formats.  I would suggest the original file image in a high
> resolution tif.  For reference purposes, I would suggest converting a copy
> of the original file to a DjVu format (www.lizardtech.com).
>
> In some of the extreme examples we were able to convert the original  500
> GB TIF file to a 3.5 GB DjVu file with virtually no loss of fidelity.  The
> technology works for other documents also.  In another example, we were
> able to provide access to an 1800 page HHS bill  that was smaller than the
> original posting of only the two signature pages (color PDF).
>
> Please note that the DjVu format is open source and is used extensively by
> archives, museums, and in geo-spatial applications.
>
> Bill Roach, CRM
>
> Opinions expressed are my own and not those of my employer or any other
> entity or individual.
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