TinkerThe hinge drawing, clean.
Chapter 1 of 7
Noise to picture
Larkspur wants a picture of every part for its catalogue, drawn by a model instead of a photo shoot for each.
This chapter: How does a picture come out of pure noise?
About this chapter
You will learn
- How forward noising buries a drawing in noise
- How a denoiser runs it backwards, every pixel at once
- How that differs from writing text a token at a time
Words you’ll meet
- Diffusion model
- A model that makes a picture by starting from noise and removing a little of it each step.
- Noise
- Random speckle added to every pixel. Enough of it hides the picture completely.
- Denoiser
- The part that guesses the clean picture behind a noisy one. This toy averages Larkspur’s twelve drawings, weighted by how well each fits.
Step 1 of 4
The darkroom: a clean hinge drawing lies in the tray. A makes pictures, but not the way a transformer writes text.
Predict first.