comfyui-upscale-by-model

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

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.