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invariant_representation [2018/09/28 20:59]
invariant_representation [2018/12/21 18:19] (current)
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 Robustness to rotations comes at the cost of robustness of pixel-wise adversarial perturbations. Robustness to rotations comes at the cost of robustness of pixel-wise adversarial perturbations.
 +https://​arxiv.org/​abs/​1809.10083v1 Unsupervised Adversarial Invariance
 +We present a novel unsupervised invariance induction framework for neural networks that learns a split representation of data through competitive training between the prediction task and a reconstruction task coupled with disentanglement,​ without needing any labeled information about nuisance factors or domain knowledge. We describe an adversarial instantiation of this framework and provide analysis of its working. Our unsupervised model outperforms state-of-the-art methods, which are supervised, at inducing invariance to inherent nuisance factors, effectively using synthetic data augmentation to learn invariance, and domain adaptation. Our method can be applied to any prediction task, eg., binary/​multi-class classification or regression, without loss of generality.
 +disentanglement is achieved between e1 and e2 in a novel way through two adversarial disentanglers
 +— one that aims to predict e2 from e1 and another that does the inverse.
 +https://​openreview.net/​forum?​id=BklHpjCqKm Deep Lagrangian Networks: Using Physics as Model Prior for Deep Learning ​