ComfyUI  >  Nodes  >  ComfyUI Impact Pack >  DenoiseScheduleHookProvider

ComfyUI Node: DenoiseScheduleHookProvider

Class Name

DenoiseScheduleHookProvider

Category
ImpactPack/Upscale
Author
Dr.Lt.Data (Account age: 458 days)
Extension
ComfyUI Impact Pack
Latest Updated
6/19/2024
Github Stars
1.4K

How to Install ComfyUI Impact Pack

Install this extension via the ComfyUI Manager by searching for  ComfyUI Impact Pack
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI Impact Pack 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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DenoiseScheduleHookProvider Description

Specialized node for managing denoising during image upscaling, with gradual denoise level adjustments for refined outputs.

DenoiseScheduleHookProvider:

The DenoiseScheduleHookProvider is a specialized node designed to manage the denoising process during image upscaling iterations. This node is particularly useful for AI artists looking to enhance the quality of their images by progressively adjusting the denoise level throughout the upscaling process. By implementing a simple scheduling mechanism, it ensures that the denoise parameter is smoothly transitioned, resulting in more refined and visually appealing outputs. The primary goal of this node is to provide a controlled and gradual denoising effect, which can significantly improve the final image quality, especially when dealing with high-resolution images.

DenoiseScheduleHookProvider Input Parameters:

schedule_for_iteration

This parameter determines the scheduling strategy for the denoising process. The available option is simple, which applies a straightforward linear progression of the denoise value throughout the iterations. This ensures a smooth and consistent adjustment of the denoise level, contributing to a more polished final image.

target_denoise

This parameter sets the target denoise value that the node aims to achieve by the end of the iterations. It is a floating-point value with a default of 0.2, a minimum of 0.0, and a maximum of 1.0, with increments of 0.01. Adjusting this value allows you to control the intensity of the denoising effect, with lower values resulting in less denoising and higher values leading to more aggressive denoising.

DenoiseScheduleHookProvider Output Parameters:

PK_HOOK

The output of this node is a PK_HOOK, which is a hook object that integrates into the upscaling process. This hook applies the scheduled denoising adjustments as defined by the input parameters, ensuring that the denoise level is progressively modified throughout the iterations. The hook's function is crucial for achieving the desired denoising effect and enhancing the overall image quality.

DenoiseScheduleHookProvider Usage Tips:

  • To achieve a subtle denoising effect, set the target_denoise parameter to a lower value, such as 0.1 or 0.2. This will ensure that the denoising is not too aggressive, preserving more details in the image.
  • For images with a lot of noise or artifacts, consider setting a higher target_denoise value, such as 0.5 or 0.6, to effectively reduce the noise and produce a cleaner output.
  • Experiment with different target_denoise values to find the optimal balance between noise reduction and detail preservation for your specific image.

DenoiseScheduleHookProvider Common Errors and Solutions:

[ERROR] DenoiseScheduleHookProvider: Invalid schedule_for_iteration value

  • Explanation: This error occurs when an unsupported value is provided for the schedule_for_iteration parameter.
  • Solution: Ensure that the schedule_for_iteration parameter is set to simple, as it is the only supported value.

[ERROR] DenoiseScheduleHookProvider: target_denoise out of range

  • Explanation: This error occurs when the target_denoise value is set outside the allowed range of 0.0 to 1.0.
  • Solution: Adjust the target_denoise value to be within the range of 0.0 to 1.0, ensuring it adheres to the specified limits.

[ERROR] DenoiseScheduleHookProvider: Hook creation failed

  • Explanation: This error occurs if there is an issue during the creation of the denoise schedule hook.
  • Solution: Verify that all input parameters are correctly set and that there are no conflicts with other nodes or hooks in the pipeline. If the problem persists, review the implementation for potential bugs or conflicts.

DenoiseScheduleHookProvider Related Nodes

Go back to the extension to check out more related nodes.
ComfyUI Impact Pack
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