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The Conditional Entropy Bottleneck
Open AccessArticle

CEB Improves Model Robustness

Google Research, Mountain View, CA 94043, USA
Author to whom correspondence should be addressed.
Entropy 2020, 22(10), 1081;
Received: 31 July 2020 / Revised: 17 September 2020 / Accepted: 21 September 2020 / Published: 25 September 2020
(This article belongs to the Special Issue Information Bottleneck: Theory and Applications in Deep Learning)
Intuitively, one way to make classifiers more robust to their input is to have them depend less sensitively on their input. The Information Bottleneck (IB) tries to learn compressed representations of input that are still predictive. Scaling up IB approaches to large scale image classification tasks has proved difficult. We demonstrate that the Conditional Entropy Bottleneck (CEB) can not only scale up to large scale image classification tasks, but can additionally improve model robustness. CEB is an easy strategy to implement and works in tandem with data augmentation procedures. We report results of a large scale adversarial robustness study on CIFAR-10, as well as the ImageNet-C Common Corruptions Benchmark, ImageNet-A, and PGD attacks. View Full-Text
Keywords: information theory; information bottleneck; machine learning information theory; information bottleneck; machine learning
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MDPI and ACS Style

Fischer, I.; Alemi, A.A. CEB Improves Model Robustness. Entropy 2020, 22, 1081.

AMA Style

Fischer I, Alemi AA. CEB Improves Model Robustness. Entropy. 2020; 22(10):1081.

Chicago/Turabian Style

Fischer, Ian; Alemi, Alexander A. 2020. "CEB Improves Model Robustness" Entropy 22, no. 10: 1081.

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