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Steven Reich

4 accepted papers

2023

Decepticons: Corrupted Transformers Breach Privacy in Federated Learning for Language Models

ICLR 2023poster

Privacy is a central tenet of Federated learning (FL), in which a central server trains models without centralizing user data. However, gradient updates used in FL can leak user information. While the most industrial uses of FL are for text applications (e.g. keystroke prediction), the majority of…

2022

Plug-In Inversion: Model-Agnostic Inversion for Vision with Data Augmentations

ICML 2022spotlight

Existing techniques for model inversion typically rely on hard-to-tune regularizers, such as total variation or feature regularization, which must be individually calibrated for each network in order to produce adequate images. In this work, we introduce Plug-In Inversion, which relies on a simple s…

2020

Unraveling Meta-Learning: Understanding Feature Representations for Few-Shot Tasks

ICML 2020poster

Meta-learning algorithms produce feature extractors which achieve state-of-the-art performance on few-shot classification. While the literature is rich with meta-learning methods, little is known about why the resulting feature extractors perform so well. We develop a better understanding of the und…

2020

Witchcraft: Efficient PGD Attacks with Random Step Size

ICASSP 2020accepted

State-of-the-art adversarial attacks on neural networks use expensive iterative methods and numerous random restarts from different initial points. Iterative FGSM-based methods without restarts trade off performance for computational efficiency because they do not adequately explore the image space…

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