it really depends on the picture. if you don’t want to upscale it then turn reduce noise and remove artifacts on. The reduce noise it’s useful when a part of the image it’s darker or grainy. the remove artifacts it’s used more on jpeg images so I would leave that on. if you are using a png image then upscale it to 2x or 4x and depending on the original quality of the png e.g. if it’s grainy then turn on reduce noise if it isn’t then off.
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