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Learning Discrete Structured Variational Auto-Encoder using Natural Evolution Strategies. (arXiv:2205.01324v1 [cs.LG])
May 4, 2022, 1:11 a.m. | Alon Berliner, Guy Rotman, Yossi Adi, Roi Reichart, Tamir Hazan
cs.LG updates on arXiv.org arxiv.org
Discrete variational auto-encoders (VAEs) are able to represent semantic
latent spaces in generative learning. In many real-life settings, the discrete
latent space consists of high-dimensional structures, and propagating gradients
through the relevant structures often requires enumerating over an
exponentially large latent space. Recently, various approaches were devised to
propagate approximated gradients without enumerating over the space of possible
structures. In this work, we use Natural Evolution Strategies (NES), a class of
gradient-free black-box optimization algorithms, to learn discrete structured
VAEs. …
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