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OP makes zero comments about content generation, and the complaint is about upscaling introducing artifacts not in the original source. No different than hating a bad 4k remaster / sharpening.

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echelon 5 hours ago | parent [-]

That advice is not universal, and without context it's simply wrong.

You wouldn't upscale a classic film in this way, but there are plenty of low-resolution shots that benefit. Especially with VGA resolution renders and modern AI workflows.

Just looking at the Topaz marketing, you can see a lot of places where it indeed does work. And 20-year industry professionals are using it today for their day jobs.

If you want to say "don't upscale a classic film in Topaz", say that. Because context makes the advice correct. This blanket "do not use" statement is flat out wrong.

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unloader6118 4 hours ago | parent [-]

In any case, blindly apply upscaling is just wrong ..

You apply it to where it is needed. Not every scene need the same treatment.

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echelon 3 hours ago | parent [-]

The article simply says "Trust me, just don't."

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littlestymaar 2 hours ago | parent [-]

No it doesn't. It says “don't, Unless you're extremely surgical with it and know exactly what you're doing”.

Which is a sensible piece of advice.

	▲	embedding-shape an hour ago \| parent [-]
		> Don't use Topaz AI, Anime4k, RealESRGAN, RIFE, etc. Trust me, just don't. Is what the submission says about Topaz and similar. > Applying any kind of post-processing[4] Is what the footnote you quoted is linked to.