Efficient variational Bayesian neural network ensembles for outlier detection

03/20/2017

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by   Nick Pawlowski, et al.

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In this work we perform outlier detection using ensembles of neural networks obtained by variational approximation of the posterior in a Bayesian neural network setting. The variational parameters are obtained by sampling from the true posterior by gradient descent. We show our outlier detection results are comparable to those obtained using other efficient ensembling methods.