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Alt text leaderboard for Mastodon instances
(mastodon.social)
A community dedicated to fediverse news and discussion.
Fediverse is a portmanteau of "federation" and "universe".
Getting started on Fediverse;
Writing good alt text is more than just identifying the objects in an image. It requires some understanding of the context around why the image is being included. Harvard provides some great advice for humans to do this well at https://accessibility.huit.harvard.edu/describe-content-images.
Unless Elon puts Tesla's FSD team on this problem, it will be many years before AI can do this well. With the FSD team on it, it would only take a decade.