Comfyui best upscale model for upscaling.

• Comfyui best upscale model for upscaling This parameter determines the rounding modulus used during the resizing process. gg For image or video upscaling, use the "4x-Ultrasharp Upscaler" model is an effective option. Best results for me have been with RealESRGAN_x4. - latent upscale looks much more detailed, but gets rid of the detail of the original image. The first is to use a model upscaler, which will work out of your image node, and you can download those from a website that has dozens of models listed, but a popular one is some sort is Ergan 4X. 0 = 0. For the samplers I've used dpmpp_2a (as this works with the Turbo model) but unsample with dpmpp_2m, for me this gives the best results. It's also suitable for portraits. May 12, 2025 · 如何在局域网中访问 ComfyUI; 如何在 ComfyUI 中调整字体大小：分步指南; 如何更改 ComfyUI 的输出文件夹位置; 如何启用 ComfyUI 新版本菜单; 为什么使用相同的种子值，ComfyUI 和 A1111 生成的图像不一样？ ComfyUI 工作流导入后，widget 消失了无法设置或者调整输入 In this easy ComfyUI Tutorial, you'll learn step-by-step how to upscale in ComfyUI. 此节点设计用于使用指定的放大模型放大图像。它通过将图像调整到适当的设备、有效管理内存，并以平铺方式应用放大模型来处理放大过程，以适应潜在的内存不足错误。 Apr 27, 2025 · Open the ComfyUI interface on MimicPC. It abstracts the complexities of locating and initializing upscale models, making them readily available for further processing or inference tasks. Purpose: upscale photorealistic images, restore old photos, and improve clarity in high-resolution photos with noise or imperfections. Please share your tips, tricks, and workflows for using this… Frustrated by iterative latent upscalers that keep 'messing' with your image? ME TOO! Hence, LDSR - the best for 'professional' use IMHO. The model is a pre-trained machine learning model designed to enhance image resolution. It seems that Upscayl only uses a upscaling model, so there is no difussion involved and the result will depend only on the upscaling model. Upload the Image. Topics ai upscale image2image upscaler img2img image-upscaling image-upscaler image-upscale upscalerimage stable-diffusion comfyui comfyui-workflow So I was looking through the ComfyUI nodes today and noticed that there is a new one, called SD_4XUpscale_Conditioning which adds support for x4-upscaler-ema. Also, both have a denoise value that drastically changes the result. ckpt: CCSR model for real-world image restoration. Contribute to kijai/ComfyUI-SUPIR development by creating an account on GitHub. Make sure you restart ComfyUI and Refresh your browser. While I'm not 100% sure the mechanics of the tile net, at its core it does work like other controlnets affecting the model itself. 5 depending on how much you are upscaling. Just change it's settings and models. Mar 23, 2025 · Iterative Upscale (Image) Usage Tips: For best results, start with a high-quality input image to ensure that the upscaling process can preserve as much detail as possible. or use turbo models. info/ . Thanks Sep 30, 2024 · Flux-dev-Upscaler-workflow. Open the command prompt and type these commands: Open the command prompt and type these commands: python_embeded\python. Put them in the models/upscale_models folder then use the UpscaleModelLoader node to load them and the ImageUpscaleWithModel node to use them. g. 5+ denoise. Cause I run SDXL based models from start and through 3 ultimate upscale nodes. Load the provided SUPIR Upscale workflow and ensure the necessary model and checkpoint files are downloaded. Typically when doing img2img, especially upscaling, denoise needs to Jul 21, 2023 · We use the provided anime model with an upscaling factor of 4 — this resulted in an output image with a resolution of 2048 × 3072 up from 512 × 768, all without any loss in image quality Sep 11, 2024 · Sometimes you just need a quick upscale. In the most simple form, a ComfyUI upscale workflow would just use an Load Upscale Model node, and might look something like; A memory-efficient implementation for upscaling videos in ComfyUI using non-diffusion upscaling models. co/jasperai/Flux. some models can compansate it with their training and such but there is a limit obv. Adding in Iterative Mixing KSampler from the early work on DemoFusion produces far more spatially consistent results as shown in the second image. Follow these steps to upscale your images If you use a 'latent upscale' you need to make your denoise on the following ksampler at anywhere from 0. com. It seems a proccess similar to the one we can find in the EXTRAS Menu in Automatic1111 or the upscaling nodes in ComfyUI. May 22, 2024 · The UPSCALE_MODEL output parameter represents the loaded upscaling model. Also realesrgan is not a good upscaling model to preserve details, it is best used for the anime like 2d, mostly flat artwork. Configure the SUPIR Upscale Node. Use with 0. If you use Iterative Upscale, it might be better to approach it by adding noise using techniques like noise injection or unsampler hook. So instead of one girl in an image you got 10 tiny girls stitch into one giant upscale image. bad-Hands-5. May 12, 2025 · Upscale Models AI Magnification Model Resources Below are some repositories I’ve collected for magnification models. txt Saved searches Use saved searches to filter your results more quickly Saved searches Use saved searches to filter your results more quickly Sep 29, 2024 · Hey, everyone! Today, I’m excited to share a new ComfyUI workflow that I’ve put together, which uses the Flux model to upscale any image. ultrasharp), then downscale. May 12, 2025 · Discover the ImageUpscaleWithModel node in ComfyUI, designed for upscaling images using a specified upscale model. Please keep posted images SFW. Each method has its own characteristics and suitable scenarios. Download the Models Best method to upscale faces after doing a faceswap with reactor It's a 128px model so the output faces after faceswapping is blurry and low res. How to substitute: with any anime model. Jul 25, 2023 · This upscaler is not mine, all the credit go to: Kim2091 Official WiKi Upscaler page: Here License of use it: Here HOW TO INSTALL: Rename the file from: 4x-UltraSharp. 5, don't need that many steps From there you can use 4x upscale model and run sample again at low denoise if you want higher resolution. Understand how low-resolution images can be transformed into high-definition ones using different methods and algorithms. You could also try a standard checkpoint with say 13, and 30. What are the Best Upscale Models in Stable Diffusion? Hi everyone, I've been using SD / ComfyUI for a few weeks now and I find myself overwhelmed with the number of ways to do upscaling. Curious if anyone knows the most modern, best ComfyUI solutions for these problems? Detailing/Refiner: Keeping same resolution but re-rendering it with a neural network to get a sharper, clearer image. May 12, 2025 · Upscale Image(using Model)|图像通过模型放大-ComfyUI节点. This ComfyUI Upscale workflow utilizes the SUPIR (Scaling-UP Image Restoration), a state-of-the-art open-source model designed for advanced image and video enhancement. Upscaling on larger tiles will be less detailed / more blurry and you will need more denoise which in turn will start altering the result too much. Free AI image generator. It can upscale from 1k images to 2k,4k,8k,16k push even upto 32k May 12, 2025 · Lora Loader - ComfyUIノードドキュメント; Lora Loader Model Only（Loraローダーモデルのみ） Style Model Loader（スタイルモデルローダー） unCLIP Checkpoint Loader（unCLIPチェックポイントローダー） アップスケールモデルローダー (Upscale Model Loader) VAE Loader（VAEローダー） video 25K subscribers in the comfyui community. 1-dev-Controlnet-Upscaler/tree/main. You can do it in one go if you have the vram. How to Use ComfyUI CCSR for image Upscaling 3. You can also do latent upscales. Remember that 2x, 4x, 8x means it will upscale the original resolution x2, x4, x8 times. The workflow utilises Flux Schnell to generate the initial image and then Flux Dev to generate the higher detailed image. Nothing fancy. This is also a needed step for many other thing Mar 29, 2025 · I want to keep it simple and focused on details and upscaling. 3 to 0. 4 days ago · Upscale Model: You should be able to use whatever upscale model you like best. ComfyUI provides some of the most flexible upscaling options, with literally hundreds of workflows and nodes dedicated to image upscaling. The process is faster, because is less complex. That's because latent upscale turns the base image into noise (blur). Right-click an empty area of UI and select Add Node | loaders | Load Upscale Model. With this method, you can upscale the image while also preserving the style of the model. Upscale Model Examples. Jan 8, 2024 · Learn how to upscale images using ComfyUI and the 4x-UltraSharp model for crystal-clear enhancements. Click on the image below and drag and drop the full-size image to the ComfyUI canvas. This model is trained for 1. Ultimate Upscaler is the best way to create highly detailed Upscales in ComfyUI. Unlike other methods, Tile ControlNet is incredibly VRAM-friendly, making it accessible even for users with limited I liked the ability in MJ, to choose an image from the batch and upscale just that image. Click on Install Models on the ComfyUI Manager Menu. , Ultrasharp): A bit slower but adds more detail. Jan 5, 2024 · Start ComfyUI. The creator sets up an 'Upscale Image (By Model)' node and guides viewers on how to find, download, and install upscale models from the Manager, CivitAI, and OpenModelDB. Control Net Model: Download the Control Net model from Hugging Face. 🎨 The LDSR upscaler is a new node in ComfyUI that can provide clearer images with adjustable steps for detail. Experiment with different upscale_method options to find the one that best suits your specific needs. This powerful technique allows you to dramatically improve image quality, taking even the most poor-quality photos and turning them into stunning, high-resolution masterpieces. And when purely upscaling, the best upscaler is called LDSR. How to substitute: download 4xUltraSharp. Feb 4, 2025 · To run these custom AI upscaling models, you will have to use another program such as ChaiNNer, Upscayl, ComfyUI, or Topaz Gigapixel. This custom node is designed to handle large video frame sequences without memory bottlenecks. (UPDATED) ComfyUI Guide to Flux Upscaling 3 methods by Jan 8, 2024 · This involves creating a workflow in ComfyUI, where you link the image to the model and load a model. So if you want 2. However, it is no longer actively maintained, and is only recommended if you just need to run ESRGAN models via CLI. Real-Photo. Please share your tips, tricks, and workflows for using this software to create your AI art. 2x, upscale using a 4x model (e. So go ahead and check out OpenModelDB to find image upscaling models tailored to your specific image type. Apr 24, 2024 · ComfyUI workflows for upscaling. This makes it available in the “imgtoimp” section when you enable “Ultimate SD upscale”. with the increased resolutions sd starts to behave weirdly as we all know by now. Does anyone have any suggestions, would it be better to do an iterative upscale, or how about my choice of upscale model? I have almost 20 different upscale models, and I really have no idea which might be best. In the case of upscaling, it causes the model to really focus on maintaining overall structure of the input image, allowing for a higher denoise. Regularly update your upscale models to take advantage of the latest advancements in upscaling techniques, which can significantly improve the quality of your results. We’re on a journey to advance and democratize artificial intelligence through open source and open science. Selecting the appropriate model can significantly impact the quality of the upscaled image. "Bicubic" and "bislerp" are generally good choices for smooth and high-quality upscaling. Free AI art generator. To find the downscale factor in the second part, calculate by: factor = desired total upscale / fixed upscale factor = 2. Flux. For instance, the default SD1. How to substitute Textual Inversions: just skip. CCSR Models. Welcome to the unofficial ComfyUI subreddit. The process of loading these models in ComfyUI is detailed, and the creator shares their Aug 5, 2024 · Place the Model in the models\unet folder, VAE in models\VAE and Clip in models\clip folder of ComfyUI directories. If you need to maintain the aspect ratio of your latent samples, set either the width or height to 0. Images don't have to be divisible by 8, 32 or 64 any photo. This parameter specifies the model to be used for the upscaling process. SUPIR upscaling wrapper for ComfyUI. Put the models here: ComfyUI\models\upscale_models Apr 16, 2024 · I saw article about upscaling in ComfyUi and though, i have not really seen much info about latent upscaling. Click "Choose file to upload" in the Load Image node and select your file. Upscale Model: 4xNMKD YandereNeo XL. Of course, you will need a slightly capable computer with decent hardware to run these models locally. I had this with my old 8 gb graphics card. Unlike traditional interpolation methods, AI upscaling models (like ESRGAN) can intelligently reconstruct details while maintaining image quality. This parameter provides additional flexibility, enabling you to use specialized models for specific tasks. 2 / 4. bicubic_ccsr. Jan 2, 2023 · The workflow has been tested with photo-style images and demonstrates Flux's flexibility in latent upscaling compared to earlier diffusion models. Created by: Jerry Davos: Hey Everyone, I would like to share my flux upscaler workflow which I am using to upscale my AI generated images for my projects, hopefully it might also come in handy with you. Mar 8, 2024 · The video continues with an exploration of advanced upscaling techniques using models. Please consider the following: Apr 29, 2023 · After specifying the desired upscaling value, the next step is to select the appropriate model for Stable Diffusion to use. Learn about different Upscale Models and their benefits. You can find upscaling models here, for example: https://openmodeldb. This guide provides a comprehensive walkthrough of the Upscale pixel and Upscale latent methods, making it a valuable resource for those looking to enhance their image generation projects. Stable Diffusion x4 upscaler model card This model card focuses on the model associated with the Stable Diffusion Upscaler, available here. Just a Heads Up! Because it doesn't just upscale the pixels, this takes a while to run. In this workflow, you will experience how SUPIR restores and upscales images to achieve photo-realistic results. Explore the concept of Upscale in AI-based image generation with ComfyUI. Let's explore Latent Upscaling in ComfyUI. Upscaling images with Ultimate SD Upscale. Nov 29, 2023 · At one point, it was the best way to upscale as it was the only way to automatically run ESRGAN models of any configuration, and improving on vram-tiling and transparency splitting features from IEU. Tile upscaling, like ultimate upscale, is unarguably worse in raw quality / less consistent, but it's needed for many people to go above and beyond in resolutions. Here is an example: You can load this image in ComfyUI to get the workflow. I wanted a very simple but efficient & flexible workflow. You can find a variety of upscale models for photos, people, animations, and more at https://openmodeldb. Renowned for its fidelity and detail enhancement capabilities, the SUPIR Upscaler is a top choice for high-resolution image upscaling. In this video we will explore how to use UltimateUpscaler. Ensure that the upscale_models directory contains the pre-trained models you intend to use, as the model_name parameter relies on this directory to list available models. Select your preferred model and click on the Generate button to initiate the upscaling process. Feb 23, 2025 · ComfyUI教學第二階段之[Upscale&SDXL]，本篇介紹 upscale 與 SDXL 的基本架構，包含相關控制項的調整、模型的選擇以及高級功能的使用。 這個階段一共會分成三部影片、三篇文字版。 Add your images and watch Flux upscaler go to work. I share many results and many ask to share. Upscaling with ComfyUI. Wire the UPSCALE_MODEL output of Load Upscale Model to upscale_model input Depending on the noise and strength it end up treating each square as an individual image. Search for upscale and click on Install for the models you want. Here's how you set up the workflow; Link the image and model in ComfyUI. Different models may offer varying levels of detail and quality, so choosing the right model is crucial for achieving the desired results. Once a Load Upscale Model node is created, you can select the model that you want to use by clicking the drop down list. Move the downloaded model to S:\Stable Diffusion\stable-diffusion-webui\models\ESRGAN. Even with ControlNets, if you simply upscale and then de-noise latents, you'll get weird artifacts like the face in the bottom right instead of a teddy bear. add denoise and lower shift, to fix broken images, lower denoise and boost shift to increase creativity w In this ComfyUI tutorial we look at my favorite upscaler, the Ultimate SD Upscaler and it doesn't seem to get as much attention as it deserves. This advanced ComfyUI workflow is perfect for creating ultra-high-resolution images, allowing for sharp, lifelike quality at massive scales. Most of the workflows focus on upscaling with Ultimate SD Upscale or just plainly upscaling with model. Flux Image Upscaling in ComfyUI is an invaluable tool for anyone looking to upscale images while preserving quality and delivering results quickly, making it perfect for use in both creative and production environments. Train your personalized model. Oct 5, 2024 · Use 16T for base generation, and 2T for upscale. 4x Upscale Model - Choose from a variety of 1x,2x,4x or 8x model from the https://openmodeldb. May 12, 2025 · ComfyUIのImageUpscaleWithModelノードについて学びます。このノードは、指定されたアップスケールモデルを使用して画像を拡大するために設計されています。画像を適切なデバイスに調整し、メモリを効率的に管理し、タイル状にアップスケールモデルを適用することで、メモリ不足のエラーを回避 Upscaling without using ultimate upscale. Dec 1, 2024 · 2nd Pass with Ultimate Upscaler. rounding_modulus. OnlyAnime. The last one takes time I must admit but it run well and allow me to generate good quality images (I managed to have a seams fix settings config that works well for the last one hence the long processing) - image upscale is less detailed, but more faithful to the image you upscale. 2. Step 4: Optimize Performance with High-Capacity Hardware. This is a 2x model, since the biggest texture images are already 4096x4096, I thought going 4x on those would be overkill (also there are already 4x game texture upscaling models, so this model can be used for similiar cases where 4x is not needed). Load the 4x UltraSharp upscaling model as your Apr 5, 2025 · Upscale Image (using Model) Input Parameters: upscale_model. 🔄 The Iterative Upscale node is another option, connected to 'Pixel KSampler Upscale' and the model's VAE for upscaling. Reactor has built in codeformer and GFPGAN, but all the advice I've read said to avoid them. May 12, 2025 · Learn about the UpscaleModelLoader node in ComfyUI, which is designed to load upscale models from specified paths. Oct 9, 2024 · For ComfyUI portable users, move inside the "ComfyUI_windows_portable" folder. Less is more approach. It is a node Oct 1, 2024 · Conclusion. exe -m pip install -r ComfyUI\custom_nodes\ComfyUI-SUPIR\requirements. The model was trained on crops of size 512x512 and is a text-guided latent upscaling diffusion model. Under 4K: generate base SDXL size with extras like character models or control nets -> face / hand / manual area inpainting with differential diffusion -> Ultrasharp 4x -> unsampler -> second ksampler with a mixture of inpaint and tile controlnet (I found only using tile control net blurs the image) Mar 23, 2025 · upscale_model_opt (optional) An optional parameter that allows you to specify a custom upscaling model. May 12, 2025 · Upscale Model Examples. May 1, 2024 · However, I have updated the workflow because many people use it, and because I myself use ComfyUI in my day-to-day work and find it tedious to launch Automatic1111 just to upscale an image. I primarily use NMKD YandereNeo (4x) now. Ugh. Ultimate SD Upscale is an Automatic1111 extension by Coyote-A. Each of these methods has its place, depending on what you're looking for. Mar 8, 2024 · 📂 The default installation path for upscaler models in ComfyUI can vary depending on the installation method. And used the 2x RealESRGan upscale model then. 25M steps on a 10M subset of LAION containing images >2048x2048. 8 weight. May 12, 2025 · This tutorial introduces three different methods for image upscaling in ComfyUI: pixel resampling, SD secondary sampling upscaling, and using dedicated upscaling models. Final upscale is done using an upscale model. Feb 4, 2024 · 4x Ultrasharp Model for Ultimate SD Upscale: Download the upscaler model from civitai. Choose the model that best fits your specific upscaling needs, as different models may have varying strengths in terms of detail preservation, noise reduction, and overall 3. real-world_ccsr. Upscaling: Increasing the resolution and sharpness at the same time. It is super easy to do and can greatly improve your image quality. Click on Manager on the ComfyUI windows. Scale: 1X, 2X. This guide is designed for upscaling images while retaining high fidelity and applying custom models. For a superior rendering experience, restart ComfyUI and select the Large-pro setup with an A10G 24GB VRAM and * If you are going for fine details don't upscale in 1024x1024 Tiles on an SD15 model, unless the model is specifically trained on such large sizes. https://discord. You get to know different ComfyUI Upscaler, get exclusive access to my Co Mar 26, 2025 · Upscale Image Using Model if Need Usage Tips: Ensure that the upscaling model you choose is well-suited for the type of images you are working with to achieve the best results. ComfyUI SUPIR for Image Resolution | ComfyUI Upscale Workflow. Here is an example of how to use upscale models like ESRGAN. After borrowing many ideas, and learning ComfyUI. For example, use "lanczos" for high-quality prints and "bilinear" for Do not downscale using force size, it introduces dicey pixels after upscale. Jun 14, 2024 · upscale_model. it can result in things like extra fingers and lines being doubled. Follow this link for a guide on different upscaling methods and use the workflow for high-resolution enhancement: High-Resolution Fix and Upscaling Workflow in ComfyUI. This parameter accepts the images that you want to upscale. Apr 23, 2025 · Model-Based Upscale (e. The final node is where comfyui take those images and turn it into a video. 55 Frustrated by iterative latent upscalers that keep 'messing' with your image? ME TOO! Hence, LDSR - the best for 'professional' use IMHO. This is because latent upscalers are kinda destructive in how they upscale images. Adjust the threshold_of_xl_area parameter based on the typical size of your images to optimize the node's performance and avoid unnecessary upscaling. The choice of model can significantly impact the quality and characteristics of the Sep 13, 2024 · Purpose: upscale simpler images such as 2D animations, cartoons, glass surfaces, smooth textures, and line drawings. It can upscale from 1k images to 2k,4k,8k,16k push even upto 32k Sep 30, 2024 · Step-by-Step Guide for Ultimate SD Upscaler in ComfyUI This tutorial will guide you through using the UltimateSD Upscaler workflow on RunDiffusion, based on the provided JSON workflow file. I think I have a reasonable workflow, that allows you to test your prompts and settings and then "flip a switch", put in the image numbers you want to upscale and rerun the workflow. In this article, we’ll walk through the setup, features, and a detailed step-by-step guide on how to use this workflow to achieve high-quality upscaling results. The AI Upscale Model method can sometimes do too much of a good thing. This parameter specifies the model to be used for upscaling the image. 5 model often struggles with large-size image generation. 0 respectively), with the Turbo Alpha Lora applied so I can get away with a very short step cycle. This is a concept template workflow, you can translate to SDXLs too. So I'm happy to announce today: my tutorial and workflow are available. I am curious both which nodes are the best for this, and which models. You can also run this model using other Replicate client libraries such as for Python, Golang, Swift, Elixir, and others. You end up with images anyway after ksampling so you can use those upscale node. 100+ models and styles to choose from. Key Parameters in CCSR-scale_by: This parameter specifies the super-resolution scale, determining how much the input images or videos are enlarged. This output is essential as it provides the actual model that will be used to perform the upscaling operation on your images. Access the SUPIR Upscale (Legacy) node and configure the Oct 28, 2024 · The Ultimate SD Upscale model is the most difficult choice in this whole process. That’s it for this guide on using the ComfyUI workflow for upscaling images with the Flux model! By integrating ControlNet and leveraging low-memory quantization (GGUF), this In Episode 12 of the ComfyUI tutorial series, you'll learn how to upscale AI-generated images without losing quality. For a dozen days, I've been working on a simple but efficient workflow for upscale. The first is to use a model upscaler, which will work out of your image node, and you can download those from a website that has dozens of models listed, but a popular one is some sort is Ergan 4X. 3. 1. 0 upscale usually requires 0. When use Ultimate SD upscale? 1. My hope is that you find it to be a useful part of your own workflow. Jan 20, 2025 · The caveat is that with the 4x models you might run out of memory. pth An Upscale Image (using Model) node is now created as shown below. Designed for professionals needing top-notch detail, it delivers exceptional We would like to show you a description here but the site won’t allow us. No subscriptions, no paywalls and no bullshit. info/ Supersimple + AI Upscale Model. We would like to show you a description here but the site won’t allow us. For some context, I am trying to upscale images of an anime village, something like Ghibli style. Using ComfyUI, you can increase the siz The *Flux Upscaler* utilizes the Ultimate SD Upscaler node to boost images up to an impressive 4k, 8k, 16k, and 32k resolution, preserving intricate details and clarity. images. I am not saying this is bad, but personally i prefer upscaling in latent. In this tutorial we're using a 4x UltraSharp upscaling model known for its ability to significantly improve image quality. Apr 5, 2025 · Upscale Latent Usage Tips: To achieve the best visual quality, experiment with different upscale methods. Oct 21, 2023 · This method consists of a few steps: decode the samples into an image, upscale the image using an upscaling model, encode the image back into the latent space, and perform the sampler pass. FaceDetailer Models: If I recall, Impact Pack includes the needed models to get you started, but if you want something else, you can find more by using ComfyUI Manager's "Model Manager" option. pth and RealESRGAN_x2. Upscale x1. There are also "face detailer" workflows for faces specifically. I think the "8NMKDFaces160000G_v10" model gives the best skin texture output while at the same time doing an ok job of preserving other textures in the picture. Most popular AI apps: sketch to image, image to video, inpainting, outpainting, model fine-tuning, real-time drawing, text to image, image to image, image to text and more! Created by: CgTopTips: In this video, we'll dive into the amazing world of Tile ControlNet for models. info Website. 4) Upscaling. 5 ~ x2 - no need for model, can be a cheap latent upscale Sample again, denoise=0. Jul 24, 2024 · upscale_model. I've eventually settled on 4x-UltraSharp as my favorite, but there are pros and cons to other choices. A step-by-step guide to mastering image quality. The downside is that it takes a very long time. This imperfect experiment offers a foundation for further refinement and exploration. safetensors (SD 4X Upscale Model) That's because of the model upscale. 1-dev-Controlnet-Upscaler Model: https://huggingface. Like a simple image2image for example, with a higher resolution. Two-Pass Upscale with Samplers: The gold standard for quality, but it takes more time. Create the best Upscales you have ever made with this Tutorial Welcome to the unofficial ComfyUI subreddit. 2. Free AI video generator. . upscaler_hook_opt (optional) An optional parameter that allows you to specify a custom hook for post-processing the upscaled image. The upscale_model parameter specifies the machine learning model used for upscaling the image. ckpt: CCSR model for bicubic image restoration. steps and CFG are reflective of the Flux model I’m using (8 and 1. For this guide, we will be using 4x-UltraSharp. Anime: SD models: CamelliaMix. pt to: 4x-UltraSharp. Hope someone can advise. On my RTX 3090 Ti, it took between 10-12 minutes for just the upscale stage (not using the face detailer stage) for a 2x upscale on a 1920x1088 (2MP) Flux generated image. From the ComfyUI_examples, there are two different 2-pass (Hires fix) methods, one is latent scaling, one is non-latent scaling Now there's also a `PatchModelAddDownscale` node. It is a very powerful wrapper around ControlNet tile, giving fine control over all of the parameters, including: In the saved workflow its at 4, with 10 steps (Turbo model) which is like a 60% denoise. It efficiently manages the upscaling process by adjusting the image to the appropriate device, optimizing memory usage, and applying the upscale model in a tiled manner to prevent potential out-of-memory errors. This model is responsible for interpreting the input image and generating a higher-resolution version. This will get you sorted in minimal fashion. May 12, 2025 · 如何在局域网中访问 ComfyUI; 如何在 ComfyUI 中调整字体大小：分步指南; 如何更改 ComfyUI 的输出文件夹位置; 如何启用 ComfyUI 新版本菜单; 为什么使用相同的种子值，ComfyUI 和 A1111 生成的图像不一样？ ComfyUI 工作流导入后，widget 消失了无法设置或者调整输入 Mar 27, 2025 · Ensure that the upscale_models directory contains the pre-trained models you intend to use, as the model_name parameter relies on this directory to list available models. This ComfyUI Upscale Workflow leverages the strengths of the SUPIR Upscaler and the 4x Foolhardy Remacri model to achieve remarkable 8K resolution image upscaling. yeiwf ucv aclr qoldcwz ahc ozgn ltvxs tdtmjd axdg lrhzff