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Why local upscaling tools fail to enhance image quality

Local Upscaling Tools Under Fire | Users Seek Clarity on Effectiveness

By

Mohamed Ali

Aug 21, 2025, 12:53 PM

Updated

Aug 21, 2025, 06:40 PM

2 minutes needed to read

An illustration showing a clear image on one side and a distorted version on the other side, highlighting the effects of local upscaling tools.

A growing number of people are voicing concerns about local upscaling tools, turning to user boards for advice. Tools like Fooocus and Upscayl are being criticized for detail loss, prompting users to question their real effectiveness.

The Frustration Builds

As users turn to local upscalers to improve image quality, many report disappointing outcomes. A user shared, "I tried both Fooocus and Upscayl and both lost a lot of details. The quality just got worse." Another echoed this sentiment, noting that significant details became distorted.

Innovative Techniques Suggested

Users are experimenting with various methods to achieve better results:

  • Mixed Techniques: One user suggested using traditional upscalers like Lanczos for dimension changes before applying a deblur lora to enhance clarity.

  • Img2img Approach: Another recommended a multi-step process increasing resolution in stages with lower denoise settings, creating room for the AI to add detail. "Try .3 as a good starting point," they advised, emphasizing the balance between too much change and too little.

Alternatives and User Advice

Some users have discovered that alternatives like SUPIR and SeedVR2 outshine current tools in performance. They are urging others to refine their settings, particularly the denoising strength, to achieve better outcomes. "Careful configuration makes a big difference," noted one commenter.

"Your issue may happen if you use too high of a denoising strength," is a common piece of advice, underlining the need for careful adjustments.

Sentiment Among Users

Overall, the mood among users remains largely negative, with many sharing tales of frustration. "There are tons of upscalers these days," one remarked, highlighting the plethora of options yet the difficulty in finding quality results.

Key Insights

  • ๐Ÿ”ป Many report a quality decline in images after using local upscalers.

  • โš™๏ธ Effectiveness hinges heavily on settings, especially denoising strength.

  • ๐Ÿ“ˆ Techniques involving traditional upscalers and img2img show promise for better outcomes.

As these discussions unfold, itโ€™s clear the push for improvements in local upscaling tools continues, while developers respond to user feedback. The challenges posed by local upscalers keep many questioning which techniques and settings are best suited to resolving the issues at hand. Amidst this backdrop, one question lingers: will tool developers act swiftly to meet user needs, or will frustration reach a boiling point?

Future of Image Upscaling

Developers may soon lean into user feedback for algorithm refinements, especially since dissatisfaction levels are rising. Expect a surge in performance-based metrics choices as users streamline expectations for faster and more precise image enhancement.

This ongoing discourse emphasizes that as technology evolves, users must adapt their approaches, honing skills that could lead to significant improvements in image quality.