Mephify
작성 가이드

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Why the same person never comes back — seeds, not descriptions

Why character persistence, resolution, and style drift in image generation — and the procedure to write into the request.

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What makes this hard

However precise the character description, the next image shows a different person. Across generations, identity is held by the seed, not the description. The description is merely necessary; without a seed procedure, faces change every cut even with an anchor.

Style is the same. Leave it unset and the engine renders differently on every run. And boilerplate like '8k, cinematic, best quality' is not direction — it layers a film look onto a request that wanted documentary realism, moving you further from the picture you meant.

What to add to the request

1. The seed is a procedure, not a value

Put it like this

Include this procedure in the prompt: generate 3–4 takes of the first cut, record the seed of the keeper, and reuse that exact seed for every later cut. If the tool takes reference images, also feed the first cut as reference.

A good seed can't be known in advance — so it must be a procedure, not a recommended value.

2. Resolution comes from the use

Resolution is a value set by the use, not the engine's menu. Web posting: ~2048px on the long side; print: physical size at 300dpi; thumbnails: 1024px. State the use, take a recommended value, and add the line that the engine may not support it exactly.

3. Commit to one style and demand negatives

Specify style, lighting, composition, and color — and separately demand a list of what must not appear (negatives). Likenesses of real people, and rights-encumbered elements like logos, characters, famous buildings, belong on that list.

Checklist for writing it yourself

  1. 1If one person spans several images, did you require both the fixed description and the seed procedure
  2. 2Did you state the use and take a resolution recommendation
  3. 3Is exactly one style committed
  4. 4Is there a negatives list
  5. 5Are values written plainly, not in any tool's flag syntax — 'aspect ratio: 1:1', not '--ar 1:1'

The Image studio's 35 art-style chips are a quick-pick list of common styles. A style not on the list can just be typed — and if a chip and your typed style conflict, what you typed wins.

읽었으면 직접 해 보는 편이 빠릅니다.

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