The Variational Objective
Learn about the elements that allow us to create effective encodings to sample new images from a space of random numerical vectors.
Let’s examine how to optimally compress information in numerical vectors using neural networks. To do so, each element of the vector should encode distinct information from the others, a property we can achieve using a variational objective. This variational objective is the building block for creating VAE networks.
Creating efficient encodings
Let’s start by quantifying more rigorously what makes such an encoding “good” and allows us to recreate images well. We'll need to maximize the posterior:
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