v2: 2023-02-20 I erased the roughly made picture and put in the painstakingly made picture.
Do img2img SD upscaling.
img2img SD upscale method: scale 20-25, denoising 0.2-0.3 After selecting SD Upscale at the bottom, tile overlap 64, scale factor2
caution! Sampler must be DPM++SDE karras.
If you want to make it more realistic, use DPM++ SDE Karras. If you want a clean face, use eluer a.
Have fun using it.
I used vae kl f8 anime for the example meme, but I recommend using 840000.