The variational infomax autoencoder

05/25/2019

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by   Vincenzo Crescimanna, et al.

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We propose the Variational InfoMax AutoEncoder (VIMAE), a method to train a generative model, maximizing the variational lower bound of the mutual information between the visible data and the hidden representation, maintaining bounded the capacity of the network. In the paper we investigate the capacity role in a neural network and deduce that a small capacity network tends to learn a more robust and disentangled representation than an high capacity one. Such observations are confirmed by the computational experiments.