Ultimate SD Upscale extension for AUTOMATIC1111 Stable Diffusion web UI
Now you have the opportunity to use a large denoise (0.3-0.5) and not spawn many artifacts. Works on any video card, since you can use a 512x512 tile size and the image will converge.
News channel: https://t.me/usdunews
Instructions
All instructions can be found on the project's wiki.
Examples
More on wiki page
E1
Original image 
2k upscaled. Tile size: 512, Padding: 32, Mask blur: 16, Denoise: 0.4
E2
Original image 
2k upscaled. Tile size: 768, Padding: 55, Mask blur: 20, Denoise: 0.35
4k upscaled. Tile size: 768, Padding: 55, Mask blur: 20, Denoise: 0.35
E3
Original image 
4k upscaled. Tile size: 768, Padding: 55, Mask blur: 20, Denoise: 0.4
