ComfyUI > Nodes > ComfyUI-LG_SamplingUtils

ComfyUI Extension: ComfyUI-LG_SamplingUtils

Repo Name

ComfyUI-LG_SamplingUtils

Author
LAOGOU-666 (Account age: 656 days)
Nodes
View all nodes(5)
Latest Updated
2025-12-24
Github Stars
0.14K

How to Install ComfyUI-LG_SamplingUtils

Install this extension via the ComfyUI Manager by searching for ComfyUI-LG_SamplingUtils
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI-LG_SamplingUtils in the search bar
After installation, click the Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

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ComfyUI-LG_SamplingUtils Description

ComfyUI-LG_SamplingUtils, developed by LAOGOU-666, is a toolset for ComfyUI that offers practical sampling nodes, enhancing user operations with greater intuitiveness and convenience.

ComfyUI-LG_SamplingUtils Introduction

ComfyUI-LG_SamplingUtils is a comprehensive toolkit designed by the author, LAOGOU-666, specifically for ComfyUI. This extension provides a suite of practical sampling nodes that make operations more intuitive and convenient for AI artists. It focuses on advanced sampling techniques, optimized particularly for Flow Matching models like ZImage and Lumina2. By using this extension, you can enhance your creative process, introducing more variability and control over your AI-generated artworks.

How ComfyUI-LG_SamplingUtils Works

At its core, ComfyUI-LG_SamplingUtils enhances the sampling process in AI art generation. Sampling is like choosing the right ingredients and proportions in a recipe to achieve the desired flavor. This extension allows you to tweak these "ingredients" by adding noise, injecting features from reference images, and adjusting model parameters. These adjustments help break the monotony of similar outputs and allow for more diverse and personalized creations.

ComfyUI-LG_SamplingUtils Features

1. ZImage Timestep Noise

This feature introduces noise disturbances during the sampling process, which helps in diversifying the output. Imagine adding a bit of randomness to your art to make each piece unique.

  • Modes: Choose between sigma (traditional diffusion) and flow (Flow Matching).
  • Adjustable Noise: Control the strength and range of noise application.
  • Mask Support: Apply effects to specific areas.
  • Reproducibility: Use seeds to ensure consistent results.

2. LG Noise Injection

This feature allows you to inject characteristics from a reference image into your creation, much like borrowing textures or details to enrich your artwork.

  • Surface Details: Add textures like water droplets or sweat.
  • Material Properties: Enhance reflections and textures.
  • Masking: Direct where features are applied.
  • Gradual Intensity: Control the strength over time.

3. Model Sampling ZImage

Adjust the sampling parameters for ZImage/Lumina2 models to fine-tune your results.

  • Time Step Scaling: Ensure correct scaling for Flow Matching models.
  • Noise Scheduling: Offset noise scheduling for varied effects.
  • Compatibility: Works with ZImage, Lumina2, and AuraFlow.

4. Sigmas Editor

An interactive tool to visually adjust the sigmas curve, allowing for real-time fine-tuning of noise scheduling to achieve optimal results.

ComfyUI-LG_SamplingUtils Models

The extension is optimized for Flow Matching models such as ZImage and Lumina2. These models are designed to handle complex sampling tasks, providing more control and flexibility in the creative process. By adjusting parameters specific to these models, you can achieve a wide range of artistic effects.

What's New with ComfyUI-LG_SamplingUtils

v1.0.0

  • Initial release with four powerful nodes: ZImage Timestep Noise, LG Noise Injection (including a latent variant), Model Sampling ZImage, and Sigmas Editor.
  • These features provide enhanced control over the sampling process, allowing for more diverse and personalized AI-generated artworks.

Troubleshooting ComfyUI-LG_SamplingUtils

If you encounter issues while using ComfyUI-LG_SamplingUtils, here are some common problems and solutions:

  • Problem: The output is not as expected.

  • Solution: Check the noise strength and range settings. Adjust the seed for reproducibility.

  • Problem: Features from the reference image are not visible.

  • Solution: Ensure the mask is correctly applied and the strength is set appropriately.

  • Problem: Difficulty in using the Sigmas Editor.

  • Solution: Experiment with the drag-and-drop interface to understand how changes affect the output.

Learn More about ComfyUI-LG_SamplingUtils

To further explore the capabilities of ComfyUI-LG_SamplingUtils, consider visiting the GitHub repository for more detailed documentation and community support. Engaging with community forums and tutorials can also provide valuable insights and tips for maximizing the potential of this extension in your AI art projects.

ComfyUI-LG_SamplingUtils Related Nodes

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RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.