How to Fix Pixelated Images 🖼️ & Upscale Retro Games 🎮 with ComfyUI - Creative AI Upscaling Tutorial

Here is a written tutorial on my website that includes additional information and examples: https://justthetipwithdani.wixsite.com/justthetip/post/creative-upscaling-and-repairing-reimagining-ultra-pixelated-images

Let’s take a closer look at creative upscaling, which can transform your pixelated images from 30 years ago and update them to 2024 standards. I’ll show you how it can upscale 8-bit game characters and fix your distorted images.

Additionally, I’ll teach you how to use new workflows, fix broken nodes, and ensure everything runs smoothly by properly placing models and .pth files in the correct location. After watching this video, you’ll be able to navigate any workflow without needing instructions or a tutorial.
Here’s the Wix site featuring the blog version of the tutorial, along with a bonus on running the portrait workflow. This method is ideal for upscaling with minimal creative changes, focusing more on removing blur and pixelation while keeping the character intact.

Want a normal upscaler? Here are the top 3 free upscalers to do a 4-16x upscale! https://youtu.be/OPPSuuqjXgM
Want to check out what I call the free version of Midjourney? Check out my PicLumen video here: https://youtu.be/MrXUi9sJnn4
Wait you haven't installed ComfyUI yet? Here is a tutorial: https://youtu.be/4PKmG3mQgmw
Stable Diffusion 3 is Old News... So, have you heard about Flux? https://youtu.be/G8Ip0c0jtDs

Here is the creative upscaler I used in the video - https://openart.ai/workflows/5l3RcKm6IMo4m8aVcWnF

Here’s the model I used (note: I used v1.5 due to compatibility issues):
https://civitai.com/models/4201/realistic-vision-v60-b1

Here is a Clip Interregator that allows you to upload and image and it will describe it for you: https://huggingface.co/spaces/pharmapsychotic/CLIP-Interrogator
Here are the ControlNet models you’ll need, along with the Union ControlNet if you’d like to experiment with running SDXL and combining all ControlNet models into the union model.

Here is the Control Net Links:
lllyasviel/sd-controlnet-canny at main (huggingface.co) - https://huggingface.co/lllyasviel/sd-controlnet-canny/tree/main
lllyasviel/sd-controlnet-scribble at main (huggingface.co) - https://huggingface.co/lllyasviel/sd-controlnet-scribble/tree/main
lllyasviel/sd-controlnet-hed at main (huggingface.co) - https://huggingface.co/lllyasviel/sd-controlnet-hed/tree/main
lllyasviel/sd-controlnet-openpose at main (huggingface.co) - https://huggingface.co/lllyasviel/sd-controlnet-openpose/tree/main
lllyasviel/sd-controlnet-mlsd · Hugging Face - https://huggingface.co/lllyasviel/sd-controlnet-mlsd
lllyasviel/sd-controlnet-seg · Hugging Face - https://huggingface.co/lllyasviel/sd-controlnet-seg
lllyasviel/sd-controlnet-depth at main (huggingface.co) - https://huggingface.co/lllyasviel/sd-controlnet-depth/tree/main

Optional for SDXL
InstantX/FLUX.1-dev-Controlnet-Union · Hugging Face - https://huggingface.co/InstantX/FLUX.1-dev-Controlnet-Union
xinsir/controlnet-union-sdxl-1.0 · Hugging Face - https://huggingface.co/xinsir/controlnet-union-sdxl-1.0

Lastly, here are the upscalers you'll need. I recommend downloading all upscalers under 100 MB, as they are relatively small in size.

Upscale Models:
https://huggingface.co/naonovn/total/tree/main
https://huggingface.co/gemasai/4x_NMKD-Superscale-SP_178000_G/tree/main
https://huggingface.co/utnah/esrgan/tree/main
https://openmodeldb.info/models/1x-DeBLR
https://openmodeldb.info/models/4x-NMKD-Superscale

Fixing the workflow
Go to Manager and Click on Install all custom or missing nodes
Click on Install Missing Nodes, Reset, click ok and refresh
Click on Update all in ComfyUI manager then reset, click ok, and refresh
Find all nodes that have the word LOAD and ensure you find the model, pth. Safetensor file. You can find them on my wix site but you can also type in the name in the model in the node and then type in hugging face and download the correct model from hugging face, Shakker or civitai (don’t go to other sites)

Below are three workflows created by Olivio Sarikas for creative upscaling.

The "Re-imagine" workflow: https://openart.ai/workflows/5l3RcKm6IMo4m8aVcWnF
Portrait Upscaler: https://openart.ai/workflows/18UZFMnpHBz41REGv7rx
Landscape Upscaler: https://openart.ai/workflows/oliviosarikas/landscape-re-imagined-upscaler/RPmlWrh5FKULV9MuZnC8
00:00 What is Creative Upscaling?
01:10 Let’s see What this Baby can do!
06:30 Let’s Grab the Workflow & Upload it
07:25 Fix Broken & Missing Nodes
09:05 Workflow Overview & how to ensure it works
14:54 Upscale Samples
16:40 More Upscale Samples and Outro

#ComfyUI #AIUpscaling #PixelArtRestoration #CreativeUpscaling #FixPixelatedImages #RetroGameUpscaling #AIImageRestoration #UpscaleOldPhotos #AIPixelFix #ComfyUITutorial

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