this article for upscale image that a person very small or blur and you have one reference photo of the person (know face) for restore the face. but mood of face may change a bit
original image
original zoom
upscale zoom
prepare extensions
Model: control_v11f1e_sd15_tile
ultimate-upscale-for-automatic1111
Model: 4xUltrasharp_4xUltrasharpV10
Model: inswapper_128.onnx
how does it work
using img2img and low denoise to keep original detail and using SD to fix overall
ultimate SD upscale to upscale
using roop to fix face
settings A1111 (see full settings in attachment)
checkpoint: your favorite checkpoint
img2img
positive: describe your image or use CLIP (you can add some prompt to change it)
negative: your favorite negative prompt
sampling: DPM++ SDE Karras
step: 15
cfg: 6
width x height: same size as original image
denoise: 2-4 (this part is important)
2 near original but blur is blur
4 using SD to generate details. but not too much to change original image.
controlNet
tile/blur
processor: tile_resample
model: control_v11f1e_sd15_tile
ControlNet is more important: checked
roop
Enable
Restore visibility: 0.5 (this part is important. but, you can experiment yours)
Upscaler: None
Swap in source image: unchecked
Swap in generated image: checked
script
Ultimate SD upscale
Target size type: Scale from image size
Scale: 2
Upscaler: 4xUltrasharp_4xUltrasharpV10
repeat upscale (optional)
after finished you can drag output and drop to input and run it again
final settings (see hi-res image in attachment)
attachments files
note: you should try images from this article to test first. if it's work you can replace your image and face with same settings