[@rajawali](https://nyaa.si/view/1864780#com-1) I had to adjust the black levels beforehand, otherwise the upscaling model generates screentone patterns where they shouldn't be.
Comp with and without black level adjustment: https://slow.pics/c/Qdphv8IU
Notice how it generates screentones even on the black parts of the image when the levels aren't adjusted.
Comments - 2
rajawali
Hououin (uploader)