Diffusion Moudel
l In machine learning, diffusion models, also known as diffusion probabilistic models, are a class of latent variable models. They are Markov chains trained using variational inference.
Diffusion Moudel Types
Forward diffusion process
Reverse diffusion process
Parameterization of Lt for Training Loss
Parameterization of βt
Parameterization of reverse process variance
Speed up Diffusion Model Sampling