Denoise before upscale: the ordering mistake, and why 2x is the ceiling
Most upscaling tutorials tell you to enlarge first. Do that and the model learns the compression blocks and enlarges them too, which is how you get a 4K file that looks worse than the 540p original. I built a browser upscaler while trying to rescue footage from an old phone, so this order is the on…
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- 2026-11-08 17:06 · DEV Community — AI
Denoise before upscale: the ordering mistake, and why 2x is the ceiling