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The coupling effect of Lipschitz regularization in neural networks

Abstract : We investigate the robustness of feed-forward neural networks when input data are subject to random uncertainties. More specifically, we consider regularization of the network by its Lipschitz constant and emphasize its role. We highlight the fact that this regularization is not only a way to control the magnitude of the weights but has also a coupling effect on the network weights across the layers. We claim and show evidence on regression and classification datasets that this coupling effect brings a trade-of between robustness and expressiveness of the network. This suggests that Lipschitz regularization should be carefully implemented so as to maintain coupling across layers.
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Contributor : Nicolas Couellan Connect in order to contact the contributor
Submitted on : Thursday, April 4, 2019 - 5:56:34 PM
Last modification on : Tuesday, October 19, 2021 - 11:17:05 PM


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Nicolas Couellan. The coupling effect of Lipschitz regularization in neural networks. SN Computer Science, Springer, 2021, 2 (2), pp.113. ⟨10.1007/s42979-021-00514-x⟩. ⟨hal-02090498⟩



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