Diffusion Models as a Kind of Hierarchical VAE(angusturner.github.io)
angusturner.github.io
Diffusion Models as a Kind of Hierarchical VAE
https://angusturner.github.io/generative_models/2021/06/29/diffusion-probabilistic-models-I.html
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New blog post exploring diffusion models from the perspective of variational inference, along with PyTorch code.
I hope work diffusion models develops such that the sample efficiency is improved. There is something really satisfying about how progressive sampling works in these models.