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Here we can see various still frames compared with their source and other scaling factors.
It is important to note that R-ESRGAN always upscales by a factor of x4 and then scales the result down to match the desired factor.
The second row is a comparison against the above image. All images in the second row have been scaled down to their original size using my method. (After upscaling by the factor above) If you compare x1 with x2_scaled, you can clearly see there are fewer jagged aliased lines. We can also see there's not much improvement using a factor greater x2, then scaling back down.
| Source | x1 | x2 | x3 | x4 |
|---|---|---|---|---|
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| Scaled to original size |  |
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Here is an animated comparison of x1 and x2_scaled.
Here is an animated comparison of source and x2_scaled.
