ARM: Augment-REINFORCE-Merge Gradient for Discrete Latent Variable Models

arXiv: Machine Learning, Volume abs/1807.11143, 2018.

Cited by: 4|Views31


To backpropagate the gradients through discrete stochastic layers, we encode the true gradients into a multiplication between random noises and the difference of the same function of two different sets of discrete latent variables, which are correlated with these random noises. The expectations of that multiplication over iterations are z...More



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