In the field of image enhancement, there is a continuous effort to improve resolution and sharpness while preserving the authenticity of the original content. This pursuit has led to the development of various techniques. One significant advancement is the combination of Ultimate SD Upscale with ControlNet models in ComfyUI. This guide provides a detailed walkthrough on how to use these tools together to upscale images accurately, covering everything from setting up the custom node to thoroughly analyzing the improved results.

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