Stable Diffusion: how does an AI pull a picture out of pure noise?

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Издатель Oct 23, 2026

An image AI like Stable Diffusion doesn't draw: it starts from pure noise and wipes it away until a picture appears. Three steps: add noise to learn, remove noise to create, guide with text. A short history: 2015, a method that removes noise step by step; 2020, UC Berkeley gets images from it; August 2022, Stability AI releases Stable Diffusion. At KOAEE, the assistants generate no images: they show the catalogue photos.

Chapters
0:00 It doesn't draw: it starts from noise
0:10 A short history: 2015, 2020, Stable Diffusion (2022)
0:49 Step 1: learn by adding noise
1:07 Step 2: create by denoising
1:29 Step 3: text guides
1:57 At KOAEE: the catalogue, never an imagined picture
2:16 Subscribe

The film, its chapters and its transcript: https://koaee.ai/film/stable-diffusion?lang=en
Full article, with sources: https://koaee.ai/blog/stable-diffusion-generation-images-guide-pratique-creation-artistique-ia?lang=en
Try the assistant for your sector: https://koaee.ai/?lang=en&utm_source=youtube&utm_medium=video&utm_campaign=film-v3-stable-diffusion

Follow KOAEE: Website https://koaee.ai · Bluesky https://bsky.app/profile/koaee.ai · Facebook https://www.facebook.com/koaeeai · LinkedIn https://www.linkedin.com/company/koaee · X https://x.com/koaeeai · YouTube https://www.youtube.com/@koaeeai

Voice-over, characters and illustrations generated by AI; noise images computed. Diagrams made in code; real captures of KOAEE demos.
Sources: Sohl-Dickstein et al. (2015) · Ho, Jain, Abbeel, UC Berkeley (2020), "Denoising Diffusion Probabilistic Models" · Stability AI (Aug 2022) · Ho & Salimans (2022), text guidance for diffusion · Esser et al. (Stability AI), ICML 2024, arXiv 2403.03206; KOAEE demos and assistant code, no image generation, checked on 1 Oct 2026.