One result can pass on beauty and fail in meaning.
The quality gate compares the candidate to the original photo and prompt. It evaluates compliance, identity preservation, artifacts and commercial suitability. If a failure is corrected by an accidental retry, the system triggers retribution; if a security or critical contract is violated, no result will be issued.
The path from the request to the selected candidate
The check doesn't have to be "taste-enhancing" for the user; it has to keep an obvious broken hand, a replaced face, an ignored action or background that contradicts the request.
Four grades instead of one overall score
Did the main action: removed object, changed background, added the desired element?
Whether the person and important subjects were preserved if the request did not ask them to be changed.
Are there any extra fingers, ragged edges and repetitions of texture and broken perspective?
Is it possible to use the image as a finished result, rather than a draft?
The average score is dangerous: the perfect light should not compensate for a completely ignored instruction, so critical misses are counted as contract causes rather than dissolved in general beauty.
When Renewable Generation Really Helps
Retry is useful for random artifacts, weak matching and boundary composition. In the slice, the second candidate needed 117 out of 396 generations - 29.5 percent. Before repeating, it transmits to models not just the same request, but the cause of the miss: for example, save the original face or make the change noticeable.
Categories overlap: part of the generation with retry ended up with a suitable result.
Why Sometimes It’s Better to Stop Than Show “Something”
Repetition does not solve a conflicting prompt, missing data in the source or a forbidden workflow. You can't endlessly regenerate an image hoping to accidentally get accurate text or restore a completely closed face. In such cases, honest refusal saves time and user credits.
| Signal. | Action. | Reason. |
|---|---|---|
| Random artifact | retry | A new candidate can correct a defect. |
| Instructions poorly executed | specify | We need to strengthen the main action. |
| Loss of face | retry/stop | Critical Conservation Contract |
| Insecure request | stop | Do not weaken the policy by repeating |
What the quality gate doesn't know
It doesn't know personal taste, the emotional history of a photo or how much a person likes their facial expression. Automatic evaluation can miss subtle unnaturalities or reject an unusual but intentional style.
Quality gate doesn’t create a wow effect—it prevents a bad candidate from pretending to be ready.
Quality increases when generation and validation work as two different systems: the first proposes, the second compares the result to the task and decides whether it is good enough for the output.