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While autoregressive models excel at image compression, their sample quality is often lacking. Although not realistic, generated images often have high likelihood according to the model, resembling the case of adversarial examples. Inspired…

机器学习 · 计算机科学 2021-03-30 Chenlin Meng , Jiaming Song , Yang Song , Shengjia Zhao , Stefano Ermon

Currently, reinforcement learning (RL), especially deep RL, has received more and more attention in the research area. However, the security of RL has been an obvious problem due to the attack manners becoming mature. In order to defend…

机器学习 · 计算机科学 2023-10-04 Jiarui Yao , Simon Shaolei Du

With deep neural networks providing state-of-the-art machine learning models for numerous machine learning tasks, quantifying the robustness of these models has become an important area of research. However, most of the research literature…

机器学习 · 计算机科学 2019-01-08 Tsui-Wei Weng , Pin-Yu Chen , Lam M. Nguyen , Mark S. Squillante , Ivan Oseledets , Luca Daniel

We propose a novel data-dependent structured gradient regularizer to increase the robustness of neural networks vis-a-vis adversarial perturbations. Our regularizer can be derived as a controlled approximation from first principles,…

机器学习 · 统计学 2018-05-23 Kevin Roth , Aurelien Lucchi , Sebastian Nowozin , Thomas Hofmann

The effectiveness of watermark algorithms in AI-generated text identification has garnered significant attention. Concurrently, an increasing number of watermark algorithms have been proposed to enhance the robustness against various…

密码学与安全 · 计算机科学 2024-10-01 Xianheng Feng , Jian Liu , Kui Ren , Chun Chen

Malware detectors based on deep learning (DL) have been shown to be susceptible to malware examples that have been deliberately manipulated in order to evade detection, a.k.a. adversarial malware examples. More specifically, it has been…

密码学与安全 · 计算机科学 2024-03-14 Daniel Gibert , Giulio Zizzo , Quan Le

We propose a method to learn deep ReLU-based classifiers that are provably robust against norm-bounded adversarial perturbations on the training data. For previously unseen examples, the approach is guaranteed to detect all adversarial…

机器学习 · 计算机科学 2018-06-12 Eric Wong , J. Zico Kolter

In the past two decades we have seen the popularity of neural networks increase in conjunction with their classification accuracy. Parallel to this, we have also witnessed how fragile the very same prediction models are: tiny perturbations…

机器学习 · 计算机科学 2022-01-25 Mark Beliaev , Payam Delgosha , Hamed Hassani , Ramtin Pedarsani

Deep Neural Network (DNN) based classifiers have recently been used for the modulation classification of RF signals. These classifiers have shown impressive performance gains relative to conventional methods, however, they are vulnerable to…

机器学习 · 计算机科学 2024-10-10 Wenhan Zhang , Meiyu Zhong , Ravi Tandon , Marwan Krunz

We propose a test-time defense mechanism against adversarial attacks: imperceptible image perturbations that significantly alter the predictions of a model. Unlike existing methods that rely on feature filtering or smoothing, which can lead…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Dong Lao , Yuxiang Zhang , Haniyeh Ehsani Oskouie , Yangchao Wu , Alex Wong , Stefano Soatto

We introduce a Noise-based prior Learning (NoL) approach for training neural networks that are intrinsically robust to adversarial attacks. We find that the implicit generative modeling of random noise with the same loss function used…

机器学习 · 计算机科学 2019-06-04 Priyadarshini Panda , Kaushik Roy

A range of defense methods have been proposed to improve the robustness of neural networks on adversarial examples, among which provable defense methods have been demonstrated to be effective to train neural networks that are certifiably…

机器学习 · 计算机科学 2021-01-21 Mengting Xu , Tao Zhang , Zhongnian Li , Daoqiang Zhang

State-of-the-art classifiers have been shown to be largely vulnerable to adversarial perturbations. One of the most effective strategies to improve robustness is adversarial training. In this paper, we investigate the effect of adversarial…

机器学习 · 计算机科学 2018-11-27 Seyed-Mohsen Moosavi-Dezfooli , Alhussein Fawzi , Jonathan Uesato , Pascal Frossard

For a standard convolutional neural network, optimizing over the input pixels to maximize the score of some target class will generally produce a grainy-looking version of the original image. However, Santurkar et al. (2019) demonstrated…

机器学习 · 计算机科学 2019-10-24 Simran Kaur , Jeremy Cohen , Zachary C. Lipton

In this paper, we investigate the adversarial robustness of feature selection based on the $\ell_1$ regularized linear regression model, namely LASSO. In the considered model, there is a malicious adversary who can observe the whole…

机器学习 · 计算机科学 2021-11-03 Fuwei Li , Lifeng Lai , Shuguang Cui

Graph neural networks (GNNs) have recently gained much attention for node and graph classification tasks on graph-structured data. However, multiple recent works showed that an attacker can easily make GNNs predict incorrectly via…

密码学与安全 · 计算机科学 2021-07-19 Binghui Wang , Jinyuan Jia , Xiaoyu Cao , Neil Zhenqiang Gong

Deep learning interpretation is essential to explain the reasoning behind model predictions. Understanding the robustness of interpretation methods is important especially in sensitive domains such as medical applications since…

机器学习 · 计算机科学 2019-10-21 Alexander Levine , Sahil Singla , Soheil Feizi

Adversarial robustness has become a fundamental requirement in modern machine learning applications. Yet, there has been surprisingly little statistical understanding so far. In this paper, we provide the first result of the optimal minimax…

机器学习 · 统计学 2020-07-01 Chen Dan , Yuting Wei , Pradeep Ravikumar

While Automatic Speech Recognition has been shown to be vulnerable to adversarial attacks, defenses against these attacks are still lagging. Existing, naive defenses can be partially broken with an adaptive attack. In classification tasks,…

计算与语言 · 计算机科学 2022-01-12 Raphael Olivier , Bhiksha Raj

There has been great interest in enhancing the robustness of neural network classifiers to defend against adversarial perturbations through adversarial training, while balancing the trade-off between robust accuracy and standard accuracy.…

机器学习 · 计算机科学 2022-10-24 Chester Holtz , Tsui-Wei Weng , Gal Mishne