Not ready for prime time. Eats up credits. Gave it explicit instructions and it keeps inventing instead of cleaning up image. Decides how many files it will process and give me back.

Hi Datascraper45,
I understand your frustration, and honestly, this isn't really a prompting problem, it's a fit problem.

Generative AI works by guessing what should be there, not by keeping what's actually there. For most images that's fine, even desirable. But a signature is nothing but exact, specific strokes, so any tool that "fills in" pixels is going to invent shapes instead of preserving the real ones, that's not a bug, it's just what generative models do.

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If your workflow lets you mask the signature itself so it's protected from the AI step, and only apply cleanup to the area around it (stains, tape marks, background damage), that can work, the ink never gets touched by the generative part at all. But if there's no way to lock that region down, this tool isn't going to get you a faithful result no matter how the prompt is written.  
 

For the signature itself, you're probably better off with straightforward retouching tools (clone stamp, healing brush, manual dust/scratch removal in Photoshop) where every pixel change is something you're doing directly, not something being guessed at.

Hajar

[Moved to questions]