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Includes 30 custom nodes committed directly, 7 Civitai-exclusive loras stored via Git LFS, and a setup script that installs all dependencies and downloads HuggingFace-hosted models on vast.ai. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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.
Refs
https://github.com/ssitu/ComfyUI_UltimateSDUpscale - Implementation for ComfyUI
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
API Usage
{
"script_name" : "ultimate sd upscale",
"script_args" : [
null, // _ (not used)
512, // tile_width
512, // tile_height
8, // mask_blur
32, // padding
64, // seams_fix_width
0.35, // seams_fix_denoise
32, // seams_fix_padding
0, // upscaler_index
true, // save_upscaled_image a.k.a Upscaled
0, // redraw_mode
false, // save_seams_fix_image a.k.a Seams fix
8, // seams_fix_mask_blur
0, // seams_fix_type
0, // target_size_type
2048, // custom_width
2048, // custom_height
2 // custom_scale
]
}
upscaler_index
| Value | |
|---|---|
| 0 | None |
| 1 | Lanczos |
| 2 | Nearest |
| 3 | ESRGAN_4x |
| 4 | LDSR |
| 5 | R-ESRGAN_4x+ |
| 6 | R-ESRGAN 4x+ Anime6B |
| 7 | ScuNET GAN |
| 8 | ScuNET PSNR |
| 9 | SwinIR 4x |
redraw_mode
| Value | |
|---|---|
| 0 | Linear |
| 1 | Chess |
| 2 | None |
seams_fix_mask_blur
| Value | |
|---|---|
| 0 | None |
| 1 | BAND_PASS |
| 2 | HALF_TILE |
| 3 | HALF_TILE_PLUS_INTERSECTIONS |
seams_fix_type
| Value | |
|---|---|
| 0 | None |
| 1 | Band pass |
| 2 | Half tile offset pass |
| 3 | Half tile offset pass + intersections |
seams_fix_type
| Value | |
|---|---|
| 0 | From img2img2 settings |
| 1 | Custom size |
| 2 | Scale from image size |