Text-to-Image

Text-to-image is the task of producing an image from a written description: a text encoder converts your prompt into a numeric representation, and an image model uses it as guidance to generate pixels that match the description.

Generative AItext to imageimage generation from text
§ 01DefinitionText-to-Image

No jargon, no math

In plain words, what is it?

You write a sentence, you get an image. The path has three stations. First the text: your prompt is split into tokens and a text encoder converts them into vectors of meaning, numbers that capture what you intend. Then the guidance: those vectors condition the image model, usually a diffusion model, which starts from noise and cleans it up pass after pass while keeping the prompt's meaning in view. Finally the pixels: the resulting grid is decoded into the file you see. The known weak point: the model paints a plausible depiction of the sentence, not your exact intent. Counts come out wrong, spatial relations get inverted, and any text written inside the image is decoration, not data.

§ 02How it worksFrom a sentence to pixels, station by station
  1. 01

    Prompt in. You write a description; it is split into tokens.

  2. 02

    Encode. A text encoder turns the tokens into numeric meaning.

  3. 03

    Condition. The image model receives the description as guidance.

  4. 04

    Generate. Pixels are built step by step to match the guidance.

  5. 05

    Decode. The finished grid becomes the image file you see.

§ 04

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