this post was submitted on 05 Jun 2024
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Technology

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Mozilla Firefox new alt-text generator powered by "fully private on-device AI model" (hacks.mozilla.org)
submitted 5 months ago* (last edited 5 months ago) by frogman@beehaw.org to c/technology@beehaw.org
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New accessibility feature coming to Firefox, an "AI powered" alt-text generator.

"Starting in Firefox 130, we will automatically generate an alt text and let the user validate it. So every time an image is added, we get an array of pixels we pass to the ML engine and a few seconds after, we get a string corresponding to a description of this image (see the code).

...

Our alt text generator is far from perfect, but we want to take an iterative approach and improve it in the open.

...

We are currently working on improving the image-to-text datasets and model with what we’ve described in this blog post..."

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[–] ClassifiedPancake@discuss.tchncs.de 8 points 5 months ago

When I used a similar feature in Ice Cubes (Mastodon app) it generated very detailed but ultimately useless text because it does not understand the point of the image and focuses on things that don’t matter. Could be better here but I doubt it. I prefer writing my own alt text but it’s better than nothing.