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How to prevent "spilling description" of one element into another (lemmy.world)
submitted 1 year ago by to c/perchance@lemmy.world
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When I am describing a scene in the prompt of https://perchance.org/ai-text-to-image-generator for several elements lets say three persons, I want to describe their characteristics and give them some features for example three women, first women has blonde hair, glasses and neck tattoo, second woman is brunette wearing pink hat and smoking and third woman is redhead with long hair, eyebrow piercing and sticks her tongue out What AI does is to mix this description between all the characters, I tried to add thing like does not smoke, does no wear glasses ect. to description of each character but that didn't have much effect. Any idea how to "border" description for each element?

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[–] 3 points 1 year ago* (last edited 1 year ago) (4 children)

The keyword BREAK, parenthesis () colon : semi-colon ; and dot . go a long way. While parenthesis are used for emphasis and weight, you can also use them to bundle parts of prompts. Colon to start a list, semi-colon to terminate. Won't always work as expected, but who doesn't like to fiddle.

Use BREAK to signal a new 'layer' in your image, essentially defining a new image within the image.

E.g. using art style 'casual photo' or 'professional photo' with prompt professional portrait of a female in a colorful dress BREAK a psychedelic black and white background will yield exactly that.

Below prompt, with 'professional photo' worked for me, consistently (okay, fairly), also with more than 1 image in one run:

professional full body photo of three slender lithe females BREAK one girl is a Caucasian redhead, casual wear BREAK one girl is African in a red dress, barefoot BREAK one girl is Japanse with white hair and big boots BREAK a psychedelic black and white background

The same run, 3 images:

As you can see, you will still need to be very specific between BREAKs to prevent spilling, but I think you will get the gist...

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  • [–] [S] 1 point 1 year ago (2 children)

    Thanks I will try to play with it, are these BREAK, parenthesis () colon : semi-colon ; and dot . some universal keywords and characters or that is just a thing that seems to work with perchance?

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  • [–] 2 points 1 year ago (1 child)

    They are (seem to be) universal

    • I know BREAK is and works like advertised.
    • The parentheses can be used to add more weight to a (piece) of a prompt. Given that no parentheses is a weight of 1, then a single () is 1.1 * 1 weight, (()) is 1.1 * 1.1 * 1 weight and so on. Or they can be used like: (some really important piece of prompt):1.21, adding a certain weight directly. Don't overdo the decimal, something between 1.1 and 1.7 will usually do the trick.
    • The colon : is often used like a sum-up, e.g. the female is wearing: ..., ..., ... and ... ending with a dot or a semi-colon.
    • The semi-colon ; is used to split part of a scene like they are dancing; optimal lighting, low camera angle; leisure time concept.

    It's not an exact sciene, but it will help.

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  • [–] [S] 1 point 1 year ago

    Interesting is that this works quite well in perchance but if I try to put what you wrote in prompt in comfyUI with standard text-to-image workflow regardless of a base mode used (SD 1.5, SD 3, SDXL 1, Pony, Ilustrious) result is an absolute mess, it generates on average from 2 to 5 characters, dresses, prompts and races are utterly random, I wonder what magic is used in perchance that results are so much accurate to prompt

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