Take a photograph and add a small amount of noise. Do it again. Do it a thousand times and you have static. A diffusion model is trained by watching that destruction and learning to predict, at every stage, what was removed. Run that prediction backwards from pure static and you get a picture that was never photographed.

The rest of this is for members.
You have read the opening of this lesson. The rest of it comes with a membership.
One membership covers all four courses and Brands.
- All lessons in the four Learn courses
- All brand breakdowns in the Brands section
- All quizzes, flashcards and crosswords
- An AI teacher on every lesson, for up to 60 questions a day
- All course material published during the membership
Price
Membership is from $12 a month on the Yearly plan, which is charged at $144 once a year. Lifetime access is $59, paid once.Membership is from ₹200 a month on the Yearly plan, which is charged at ₹2,400 + GST once a year. Lifetime access is ₹3,999 + GST, paid once.