Concepts2
📚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
📚TheoryAdvanced
Information Bottleneck Theory
Information Bottleneck (IB) studies how to compress an input X into a representation Z that still preserves what is needed to predict Y.
#information bottleneck#mutual information#variational information bottleneck+12