Upscaling is 'real' in the sense that it exists, and for animation in particular... | Hacker News

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		samatman on Sept 9, 2020 \| parent \| context \| favorite \| on: AT&T’s current 5G is slower than 4G in nearly ever... Upscaling is 'real' in the sense that it exists, and for animation in particular the results can be quite satisfying. But the technology to add missing detail will never exist; we must be content with a realistic facsimile.

eru on Sept 10, 2020 [–]

> But the technology to add missing detail will never exist; we must be content with a realistic facsimile.

You are right in a sense. But there are some details that are in the pixels but that your eyes can't see. You can upscale to make them visible to the eyes.

See https://en.wikipedia.org/wiki/Compressed_sensing

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