VAE and Hierarchical Latent Variable

Position in the series

ELBO -> VAE -> hierarchical latent variable

Outline

1. VAE as amortized variational inference.
2. Encoder, decoder, and reparameterization trick.
3. Prior, approximate posterior, and likelihood.
4. Posterior collapse and expressive latent structures.
5. Hierarchical latent variables.
6. Why hierarchy matters for diffusion-style models.

Notes

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