There is no 'best way'. Just asking that question kind of disqualifies you.
Some other resizers might also be worth looking at. -> Use the preview and decide what looks best for your content.
In general NNEDI3 is a good resizer for natural clean content.
When going from SD to HD or hichter using stepped resizing combined with some denoising or sharpening also might help to improve things.
Also note that tweaking the NNEDI3 setting on it's own also might improve the result.
Cu Selur
Ps.: adding some contrast sharpening might also help.
Some other resizers might also be worth looking at. -> Use the preview and decide what looks best for your content.
In general NNEDI3 is a good resizer for natural clean content.
When going from SD to HD or hichter using stepped resizing combined with some denoising or sharpening also might help to improve things.
Also note that tweaking the NNEDI3 setting on it's own also might improve the result.
Cu Selur
Ps.: adding some contrast sharpening might also help.
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Dev versions are in the 'experimental'-folder of my GoogleDrive, which is linked on the download page.
Dev versions are in the 'experimental'-folder of my GoogleDrive, which is linked on the download page.