How to use: https://www.youtube.com/watch?v=sCJqmasct_c
This is a workflow that quickly Upscale images to 8K resolution; simply drag and drop your image and click to run. The red section contains parameters that can be adjusted according to your needs.
Thanks for ControlAltAI in youtube and Kijai in github. This workflow is bulit on top of them and I learned a lot form their work.
Models:
Checkpoint:
SUPIR-v0Q: https://huggingface.co/camenduru/SUPIR/tree/main
juggernaut xl v9rdphoto2 lightning: https://civitai.com/models/133005/juggernaut-xl
Upscale_models:
4x_foolhardy_Remacri: https://huggingface.co/FacehugmanIII/4x_foolhardy_Remacri