Katherine,
We breifly looked into using something called DjVu for the same reasons
you mentioned (better compression and better image quality), but decided
against it. That was a year ago. You may want to check
www.lizardtech.com to see if the technology has matured. What I saw was
much more impressive than png, but requires a browser plug-in. There is a
built-in page turner and a nice enlargment feature. Also it is a
proprietary technology.
Chris
Christopher Prom
Assistant University Archivist
University of Illinois Archives
Room 19 Library (MC-522)
1408 W. Gregory Drive
Urbana, IL 61801
web: http://www.library.uiuc.edu/ahx/
e-mail: [log in to unmask]
phone: 217 333 0798
fax: 217 333 2868
On Tue, 13 Mar 2001, Kathlene Ferris wrote:
> We are experimenting with using PNG (Portable Network Graphics) files for
> web delivery of digital images linked to our encoded finding aids. PNGs are
> attractive because the lossless compression format produces smaller files
> than JPEGs and even GIF files, saving significant server space. The main
> problem that we have identified so far: browser support is only fair and
> applications support could be better.
>
> Has anyone else investigated or even used PNG files? Specifically, we want
> to know if there are other reasons not to go with this format.
>
>
> Kathlene Ferris
> Online Archive of New Mexico
> University of New Mexico General Library
>
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