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ComfyDeploy: How comfyui-upscale-by-model works in ComfyUI?

What is comfyui-upscale-by-model?

This custom node allow upscaling an image by a factor using a model.

How to install it in ComfyDeploy?

Head over to the machine page

  1. Click on the "Create a new machine" button
  2. Select the Edit build steps
  3. Add a new step -> Custom Node
  4. Search for comfyui-upscale-by-model and select it
  5. Close the build step dialig and then click on the "Save" button to rebuild the machine

comfyui-upscale-by-model

This custom node allow upscaling an image by a factor using a model.

screenshot

Usage

This node will do the following steps:

  • Upscale the input image with the upscale model.
  • Check the size of the upscaled image.
    • If the upscaled size is larger than the target size (calculated from the upscale factor upscale_by), then downscale the image to the target size using the scaling method defined by rescale_method.
    • If the upscaled size is smaller than or equal to the target size, then do nothing.
  • Return the upscaled image.

Input

  • upscale_model: Take an upscale model.
  • image: The image to upscale.
  • upscale_by: The factor to upscale the image by.
  • rescale_method: The method to downscale the image to the target scale.

Output

  • IMAGE: The upscaled image.

Install

Clone this repository into ComfyUI's custom_nodes folder.