same-frame
Re-render an image. The composition does not move.
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same-frame - Re-render an image. The composition does not move.

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Krea 2 image-to-image holds composition and changes material. Five recipes for the second half: relight, recolour, change the medium. Each carries the strength and seed that produced its example, and each was re-run on a source it was not derived from. One holds on any source; the other four have a limit, and the tier names it. It refuses object removal and face-carrying, citing the run where that failed. npx skills add, or a stdlib-only script. MIT.

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I kept re-running the same image-to-image edits and could not tell whether a strength value was a real setting or something that happened to work once, on one picture. So every recipe here was run again on a source it was never derived from, and the tier column is that result rather than my estimate. Two held. Three did not, and the ones that did not are the useful part: cyanotype returns a blue-toned photograph with no line work at all on the wrong kind of source, and relight gets the shadows exactly right while quietly turning wet surfaces dry. The two refusals came out of the same process. I tried removing an object and carrying a face into a new scene. Both failed at every strength, so rather than delete those runs the skill now cites them when you ask for the same thing — it prints the seed of the attempt that already failed and tells you to use inpainting or train a LoRA instead. One honest limit: the strengths were measured on fal.ai's endpoint. If you run Krea 2 locally the prompt phrasing carries, but I have not measured that 0.55 there means 0.55 in a ComfyUI graph, and I don't claim it does. Happy to answer anything about the method.
Maker

I built this because I kept re-running the same image-to-image edits and could not tell whether a strength value was a real setting or something that happened to work once on one picture.

So every recipe here was run again on a source it was never derived from, and the tier says what happened. One held. Four did not, and the ones that did not are the useful part — gouache paints a real gouache and quietly swaps your character for someone else, cyanotype returns a blue-toned photograph with no line work at all on the wrong source, and relight turns wet surfaces dry while getting the shadows exactly right.

The gouache one demoted itself two days ago. I tested it on a cel-shaded character to see whether the recipes held on subjects they were never built for, and the pose, the rooftop and the skyline all held while the hair colour, the scarf and the coat did not. The medium change was correct and the person was not the same person. It used to be tier "holds".

The two refusals came from the same process. I tried removing an object and carrying a face into a new scene, both failed at every strength, and rather than delete those runs the skill now cites them when you ask for the same thing.

Happy to answer anything about the method. The strengths came from 's endpoint, so if you run Krea 2 locally the prompt phrasing carries but the number may not — I have not measured it against ComfyUI denoise and do not claim it does.