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Data augmentation by incorporating cheap unlabeled data from multiple domains is a powerful way to improve prediction especially when there is limited labeled data. In this work, we investigate how adversarial robustness can be enhanced by…

机器学习 · 计算机科学 2021-02-23 Zhun Deng , Linjun Zhang , Amirata Ghorbani , James Zou

Machine learning (ML) models are often sensitive to carefully crafted yet seemingly unnoticeable perturbations. Such adversarial examples are considered to be a property of ML models, often associated with their black-box operation and…

机器学习 · 计算机科学 2025-04-29 Elad Sofer , Tomer Shaked , Caroline Chaux , Nir Shlezinger

Large Language Models (LLMs) have revolutionized natural language processing, but their robustness against adversarial attacks remains a critical concern. We presents a novel white-box style attack approach that exposes vulnerabilities in…

计算与语言 · 计算机科学 2024-09-16 Zeyu Yang , Zhao Meng , Xiaochen Zheng , Roger Wattenhofer

We consider a model of robust learning in an adversarial environment. The learner gets uncorrupted training data with access to possible corruptions that may be affected by the adversary during testing. The learner's goal is to build a…

机器学习 · 计算机科学 2022-07-04 Idan Attias , Aryeh Kontorovich , Yishay Mansour

Current research on defending against adversarial examples focuses primarily on achieving robustness against a single attack type such as $\ell_2$ or $\ell_{\infty}$-bounded attacks. However, the space of possible perturbations is much…

机器学习 · 计算机科学 2024-10-10 Sihui Dai , Chong Xiang , Tong Wu , Prateek Mittal

Adversarial training has been shown as an effective approach to improve the robustness of image classifiers against white-box attacks. However, its effectiveness against black-box attacks is more nuanced. In this work, we demonstrate that…

机器学习 · 计算机科学 2021-07-27 Ali Rahmati , Seyed-Mohsen Moosavi-Dezfooli , Huaiyu Dai

A large body of theory and empirical work hypothesizes a connection between the flatness of a neural network's loss landscape during training and its performance. However, there have been conceptually opposite pieces of evidence regarding…

机器学习 · 计算机科学 2026-02-06 Yizhou Xu , Pierfrancesco Beneventano , Isaac Chuang , Liu Ziyin

In this paper, we investigate the use of pretraining with adversarial networks, with the objective of discovering the relationship between network depth and robustness. For this purpose, we selectively retrain different portions of VGG and…

机器学习 · 计算机科学 2021-11-01 Shoaib Ahmed Siddiqui , Thomas Breuel

The goal of this paper is to analyze an intriguing phenomenon recently discovered in deep networks, namely their instability to adversarial perturbations (Szegedy et. al., 2014). We provide a theoretical framework for analyzing the…

机器学习 · 计算机科学 2016-03-30 Alhussein Fawzi , Omar Fawzi , Pascal Frossard

Adversarial perturbations are imperceptible changes to input pixels that can change the prediction of deep learning models. Learned weights of models robust to such perturbations are previously found to be transferable across different…

机器学习 · 计算机科学 2020-10-30 Alvin Chan , Yi Tay , Yew-Soon Ong

The reliability of a learning model is key to the successful deployment of machine learning in various industries. Creating a robust model, particularly one unaffected by adversarial attacks, requires a comprehensive understanding of the…

机器学习 · 计算机科学 2022-08-16 Ramin Barati , Reza Safabakhsh , Mohammad Rahmati

Neural networks are vulnerable to small adversarial perturbations. Existing literature largely focused on understanding and mitigating the vulnerability of learned models. In this paper, we demonstrate an intriguing phenomenon about the…

机器学习 · 计算机科学 2019-02-25 Gavin Weiguang Ding , Kry Yik Chau Lui , Xiaomeng Jin , Luyu Wang , Ruitong Huang

Adversarial robustness has become an emerging challenge for neural network owing to its over-sensitivity to small input perturbations. While being critical, we argue that solving this singular issue alone fails to provide a comprehensive…

机器学习 · 计算机科学 2021-03-02 Yu-Lin Tsai , Chia-Yi Hsu , Chia-Mu Yu , Pin-Yu Chen

Adversarial examples are inevitable on the road of pervasive applications of deep neural networks (DNN). Imperceptible perturbations applied on natural samples can lead DNN-based classifiers to output wrong prediction with fair confidence…

机器学习 · 计算机科学 2020-11-04 Tao Bai , Jinqi Luo , Jun Zhao

Vision-Language Models (VLMs) can perform zero-shot classification but are susceptible to adversarial attacks. While robust fine-tuning improves their robustness, existing approaches align fixed text embeddings with an image embedding,…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Junhao Dong , Yifei Zhang , Hao Zhu , Yew-Soon Ong , Piotr Koniusz

Motivated by safety-critical applications, test-time attacks on classifiers via adversarial examples has recently received a great deal of attention. However, there is a general lack of understanding on why adversarial examples arise;…

机器学习 · 统计学 2019-06-20 Yizhen Wang , Somesh Jha , Kamalika Chaudhuri

This paper revisits the robust overfitting phenomenon of adversarial training. Observing that models with better robust generalization performance are less certain in predicting adversarially generated training inputs, we argue that…

机器学习 · 计算机科学 2025-01-15 Minxing Zhang , Michael Backes , Xiao Zhang

Over the past decade, numerous theories have been proposed to explain the widespread vulnerability of deep neural networks to adversarial evasion attacks. Among these, the theory of non-robust features proposed by Ilyas et al. has been…

机器学习 · 计算机科学 2026-01-05 Jennifer Crawford , Amol Khanna , Fred Lu , Amy R. Wagoner , Stella Biderman , Andre T. Nguyen , Edward Raff

Adversarial training has been shown to be reliable in improving robustness against adversarial samples. However, the problem of adversarial training in terms of fairness has not yet been properly studied, and the relationship between…

机器学习 · 计算机科学 2023-04-04 Junyi Chai , Xiaoqian Wang

Intentionally crafted adversarial samples have effectively exploited weaknesses in deep neural networks. A standard method in adversarial robustness assumes a framework to defend against samples crafted by minimally perturbing a sample such…

机器学习 · 计算机科学 2022-11-07 Anaelia Ovalle , Evan Czyzycki , Cho-Jui Hsieh