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Astronomers discover technique to spot AI fakes using galaxy-measurement tools (arstechnica.com)

submitted 4 months ago by sabreW4K3@lazysoci.al to c/technology

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[–] barsoap@lemm.ee 1 points 4 months ago (1 children)

AI image generators don’t “consult” source images to generate an output.

Well, you have an artist breaking things down for an audience understanding neither the technical nor artistic aspect...

Modern AI generators are increasingly good at generating text. They still struggle a bit

I mean... SDXL still struggles a lot. The only thing you can get it to spell reliably is probably "Hooters". There's the one or other lora which makes it not suck completely but it's still nowhere near actually good at generating text, the training just isn't there. And even with that in place things like signatures are probably going to be gibberish.

While a naive (and cheaper) approach to AI generation doesn’t use layers, there are generators which do use layers,

Unless you start off training by feeding the model 3d data (say, voxels) alongside 2d projections I don't think it's ever going to develop a proper understanding of these kinds of things. Or, differently put: Learning object permanence (of sorts, related) is a meta-cognitive abstraction step that just won't happen with the type of topologies we know how to engineer. It's probably like 90% on the way towards AGI, so to get a simple topology to understand it we have to spoon-feed it permanence information alongside the (apparent) non-permanence.

[–] jarfil 1 points 4 months ago

breaking things down for an audience understanding neither the technical nor artistic aspect...

Not a reason to misrepresent things. Reminds me of the animistic fallacy, if they even understand what's really going on themselves.

As for text, I've seen the MS generator spit out decent text, at least in titles and logos, and some AI art with full legible sentences.

Unless you start off training by feeding the model 3d data (say, voxels) alongside 2d projections

Some time ago already, there was an SD fork with bounded box support, and a ChatGPT preprocessor prompt template to do the layout. Object permanence in this case is as simple as continuing with the lower layer once the upper one is finished, maintaining object continuity in the lower layer. It's reasonable to expect this to go from bounded boxes, to freehand layers for each object. Since an LLM has been shown to be a good preprocessor to set the layout, some more integration between both, with object feedback from the SD to reduce the layer bounding box, would do wonders. Adding an opacity mask could be a bit harder, but sounds doable.

I don't see the need of much higher abstraction to address this issue. Rendering videos of translucent objects, might need it, though.