How To Do 'Hires Fix' In ComfyUI

#stablediffusion #aiart #generativeart #aitools #comfyui
Hi Res Fix, a feature within Automatic1111 WebUI allows you to upscale images in both the latent space or with an upscaling model. Here's how to do this within ComfyUI.

# Time Stamps
Intro: 0:00
Using the Latent Upscale Node: 0:16
Using the Upscale Model Node: 3:28
Outro: 5:08

Official Docs:

Accompanying Guide:

Workflows:

Important links:

[Bluechief]

That was so awesome. It took me a couple tries finetuning the settings since I'm used to SD 1.5 but this was exactly what I wanted.

[MathieuCruzel]

Nice to see a ComfyUI video that starts from the basics and not some overly complicated workflow with 15 custom nodes jusrt to upscale. Clear and to the point !

[jorgepvenegas]

Finally a guide that goes from the basic to the specific point. Subscribed!

[RoopeBb]

Great and well laid out video again, and filled with info! Thanks!

[bipinpeter]

nicely explained, clean workflow.. keep going 👍​

[John-vioi]

With the upscale with model method, how do you adjust its denoising strength and steps like you could with the latent upscale? Because in a1111 webui you can adjust these parameters not only with the latent upscale but with the model upscale too. Thanks.

[SjonSjine]

Also usable with mp4 as input? Have some memory issues all the time with upscale mp4's...

[TheViktorofgilead]

I have a question, does either of these methods add detail/quality if you just want an image of the same size? Like, I don’t want a giant image, I just want it to look crisp and without blurry eyes or other skewed fine details. I’m using SDXL so the sizes it generates are fine for me size wise but I see automatic1111 users say high res fix can fix eyes and small details like that.

[GES]

In regards to "Load Upscale Model": what all do I need to know, i.e. do I need to go to civitai/huggingface and download upscale models? Where do I put them, in the checkpoints folder?

[quegmbb]

What if u have 832x1216 image (SDXL 1.0)? How to upscale it to 1080x2800? getting kinda bad quality

[meadow-maker]

do you realise you use meaningless 'go-ahead' almost once per sentence. It's so distracting, even at 4:46 you said it when it made no sense whatsoever! You're saying it instead of 'errrr'. Just say 'errrr'. 29 times in the tutorial!! good job I wasn't doing a drinking game along with it! 🥴🥴 So, go ahead and go ahead and get totally under the table! Go ahead and, Cheers!