If you're scanning documents to PDF, it is normally a TIFF in a PDF
wrapper.
Once in the PDF, it may be harder to OCR it with anything other than
Acrobat's OCR, which I don't like very much.
However, Acrobat will OCR the PDF more than one way- you can leave the
text behind the image, present only for search purposes.
I gather that for most purposes, the images don't get OCRd anyway, so
that's all aside the point.
On the desktop, there are lots of apps that are willing to 'try' to open a
TIFF.
Many of them don't handle multi-page images at all, and others not well.
Depending on formats and resolution, a TIFF may display at odd aspect
ratios or with other strangeness.
Only a few apps will open a PDF, and the common ones are pretty reliable.
From what I've seen, if a PDF is legal, it will display just fine in
Acrobat Reader.
This means that, for desktop, so there's less liklihood for problems with
PDF.
For long-term storage, PDF may actually be better than TIFF?
I wouldn't bet much money either way, though.
Jay Maechtlen
Records Management Program <[log in to unmask]> wrote on 03/30/2006
09:38:35 AM:
>
>
> We have been scanning documents for the past 3 years as TIFFs, but
> because of an issue of OCRing a document with color and B&W pages we are
> now considering scanning to PDF. What is the conventional wisdom on
> TIFF vs PDFs? Is one more stable, better resolution, better at
> migrating to newer releases, etc. I have heard mixed reviews with no
> clear "winner" on which is the preferred format. Your advice is most
> appreciated! Thanks to all of you who responded to "how far is far
> enough" too!
>
> Paula Sutton
>
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