Search Results for author: Jay Roberts

Found 4 papers, 1 papers with code

On Frank-Wolfe Adversarial Training

no code implementations ICML Workshop AML 2021 Theodoros Tsiligkaridis, Jay Roberts

We develop a theoretical framework for adversarial training (AT) with FW optimization (FW-AT) that reveals a geometric connection between the loss landscape and the distortion of $\ell_\infty$ FW attacks (the attack's $\ell_2$ norm).

Understanding and Increasing Efficiency of Frank-Wolfe Adversarial Training

1 code implementation CVPR 2022 Theodoros Tsiligkaridis, Jay Roberts

We develop a theoretical framework for adversarial training with FW optimization (FW-AT) that reveals a geometric connection between the loss landscape and the $\ell_2$ distortion of $\ell_\infty$ FW attacks.

Ultrasound Diagnosis of COVID-19: Robustness and Explainability

no code implementations30 Nov 2020 Jay Roberts, Theodoros Tsiligkaridis

Diagnosis of COVID-19 at point of care is vital to the containment of the global pandemic.

Second Order Optimization for Adversarial Robustness and Interpretability

no code implementations10 Sep 2020 Theodoros Tsiligkaridis, Jay Roberts

It is shown that using only a single iteration in our regularizer achieves stronger robustness than prior gradient and curvature regularization schemes, avoids gradient obfuscation, and, with additional iterations, achieves strong robustness with significantly lower training time than AT.

Adversarial Robustness

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