http://www.digitalpreservation.gov/formats/content/still_preferences.shtmlhttp://mmspg.epfl.ch/page-58328-en.htmlhttp://www.nla.gov.au/padi/topics/452.html
All I have off the top
Chris Flynbnb
> Date: Fri, 10 Jun 2011 15:33:26 -0400
> From: [log in to unmask]http://www.nla.gov.au/padi/topics/452.html
> Subject: Question on PDF/A-2 & JPEG2000 Lossless Compression
> To: [log in to unmask]
>
> Hi,
>
>
>
> Can anyone help with the request below regarding access/dissemination from
> an IT architect/developer? I don't have time to dive into the technical
> algorithms and graphs for lossless compression, so I'm hoping someone out
> there has already done this... Our organization is using PDF/A-2 (ISO
> 32000-1 / PDF version 1.7.) for this particular business process.
>
>
>
> Thanks!
>
> Bruce
>
>
>
> =====
>
> Following on your previous very helpful advice, can you advise on viable or
> recommended image encodings (e.g. JPG, JPEG2000) for embedding in PDF/A for
> long term document preservation?
>
>
>
> For example I just read this unverified blog
> statement<http://superuser.com/questions/171267/convert-pdf-file-with-images-in-jpeg2000-to-pdf-with-non-jpeg2000-images>,
> “pdf images using jpeg2000 compression. The iPad can't display these images
> in the pdf”. Means we should be very careful what encoding we pick.
>
>
>
> I’m having trouble pinning down exactly what image compression PDF/A
> permits, google hits are too scattered. I’m using this baseline list of
> lossless image compression
> algorithms<http://en.wikipedia.org/wiki/Lossless_data_compression#Graphics>
> .
>
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