Concepts2
📚TheoryAdvanced
Diffusion Models Theory
Diffusion models learn to reverse a simple noising process by estimating the score (the gradient of the log density) of data at different noise levels.
#diffusion models#ddpm#score matching+12
📚TheoryAdvanced
Variational Inference Theory
Variational Inference (VI) replaces an intractable posterior with a simpler distribution and optimizes it by minimizing KL divergence, which is equivalent to maximizing the ELBO.
#variational inference#elbo#kl divergence+12