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metadata in images RE: Access Key alternative -in the wrong place?

From: Charles McCathieNevile <charles@w3.org>
Date: Fri, 25 Jun 2004 10:01:05 -0400 (EDT)
To: Gregg Vanderheiden <gv@trace.wisc.edu>
Cc: 'Andy Heath' <a.k.heath@shu.ac.uk>, w3c-wai-gl@w3.org
Message-ID: <Pine.LNX.4.55.0406250958310.3285@homer.w3.org>

All common image formats allow you to include metadata. All Adobe software
now uses this to put RDF into the stuff they produce. The Authoring Tool
Accessibility Guidelines group was suggesting this as a good approach 5 years
ago - and discussin issues such as how to deal with the fact that an
appropriate alt text might vary according to the context in which the image
is used.

Tool makers have long ago started implementing this stuff, to varying

It turns out that Dublin Core metadata is just one kind, and not always the
most important.



On Thu, 24 Jun 2004, Gregg Vanderheiden wrote:

>PNG files allow this internally to some extent don't they?
> -- ------------------------------
>Gregg C Vanderheiden Ph.D.
>Professor - Ind. Engr. & BioMed Engr.
>Director - Trace R & D Center
>University of Wisconsin-Madison
>-----Original Message-----
>From: w3c-wai-gl-request@w3.org [mailto:w3c-wai-gl-request@w3.org] On Behalf
>Of Andy Heath
>Sent: Thursday, June 24, 2004 3:09 AM
>To: w3c-wai-gl@w3.org
>Subject: Re: Access Key alternative -in the wrong place?
>> Now why can't we attach DC metadata title  and description  onto all
>> image files in place of filling in an alt and longdesc when ever the
>> images are used. (alt can override the meta title if the web author is
>> using an image/media in a different way to how the graphic artist
>> anticipated the image being used)
>> That is why we need to design accessibility solutions from an
>> architectural level, and not from the html content symptom solving thing
>I agree.  An over-arching architectural framework is required
>otherwise its just ramdom wandering in a very large search space.
>Nodes first then leaves.
>Andy Heath

Charles McCathieNevile  http://www.w3.org/People/Charles  tel: +61 409 134 136
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Received on Friday, 25 June 2004 10:01:05 UTC

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