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Everything about Diffusion model

Technique for the generative modeling of a continuous probability distribution

In machine learning, diffusion models, also known as diffusion-based generative models or score-based generative models, are a class of latent variable generative models. A diffusion model consists of two major components: the forward diffusion process, and the reverse sampling process. The goal of diffusion models is to learn a diffusion process for a given dataset, such that the process can generate new elements that are distributed similarly as the original dataset. A diffusion model models data as generated by a diffusion process, whereby a new datum performs a random walk with drift through the space of all possible data. A trained diffusion model can be sampled in many ways, with different efficiency and quality. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Diffusion modelA 5-minute orientation
  2. Skim a recent paper: Diffusion Models in Vision: A SurveyInfluential work since 2022
  3. Pick up a classic book: The over-land along-wind dispersion (OLAD) field experimentThe most-reprinted book on the subject
  4. Read the landmark paper: Brownian motion in a field of force and the diffusion model of chemical reactionsCited 8,034 times
  5. Go sideways: Discrete diffusion modelA closely related topic
  6. Go sideways: Latent diffusion modelA closely related topic

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