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This paper explores the use of adversarial examples in training speech recognition systems to increase robustness of deep neural network acoustic models. During training, the fast gradient sign method is used to generate adversarial…

计算与语言 · 计算机科学 2018-06-19 Sining Sun , Ching-Feng Yeh , Mari Ostendorf , Mei-Yuh Hwang , Lei Xie

Adversarial training is an effective method to boost model robustness to malicious, adversarial attacks. However, such improvement in model robustness often leads to a significant sacrifice of standard performance on clean images. In many…

机器学习 · 计算机科学 2022-04-29 Pengyue Hou , Ming Zhou , Jie Han , Petr Musilek , Xingyu Li

Adversarial robustness has emerged as an important topic in deep learning as carefully crafted attack samples can significantly disturb the performance of a model. Many recent methods have proposed to improve adversarial robustness by…

机器学习 · 计算机科学 2019-08-08 Hao-Yun Chen , Jhao-Hong Liang , Shih-Chieh Chang , Jia-Yu Pan , Yu-Ting Chen , Wei Wei , Da-Cheng Juan

Adversarial training (AT) is currently one of the most effective ways to obtain the robustness of deep neural networks against adversarial attacks. However, most AT methods suffer from robust overfitting, i.e., a significant generalization…

机器学习 · 计算机科学 2024-03-15 Daiwei Yu , Zhuorong Li , Lina Wei , Canghong Jin , Yun Zhang , Sixian Chan

The vulnerability of deep neural networks (DNNs) to adversarial examples has attracted great attention in the machine learning community. The problem is related to non-flatness and non-smoothness of normally obtained loss landscapes.…

机器学习 · 计算机科学 2023-02-13 Qizhang Li , Yiwen Guo , Wangmeng Zuo , Hao Chen

Language models can achieve high accuracy on natural language tasks such as NLI, but performance suffers on manually created adversarial examples. We investigate the performance of a language model trained on the Stanford Natural Language…

计算与语言 · 计算机科学 2024-10-31 Chris Achard

Adversarial examples are commonly viewed as a threat to ConvNets. Here we present an opposite perspective: adversarial examples can be used to improve image recognition models if harnessed in the right manner. We propose AdvProp, an…

计算机视觉与模式识别 · 计算机科学 2020-04-15 Cihang Xie , Mingxing Tan , Boqing Gong , Jiang Wang , Alan Yuille , Quoc V. Le

Adversarial robustness has been studied extensively in image classification, especially for the $\ell_\infty$-threat model, but significantly less so for related tasks such as object detection and semantic segmentation, where attacks turn…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Francesco Croce , Naman D Singh , Matthias Hein

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

Pretrained language models (PLMs) perform poorly under adversarial attacks. To improve the adversarial robustness, adversarial data augmentation (ADA) has been widely adopted to cover more search space of adversarial attacks by adding…

计算与语言 · 计算机科学 2021-06-08 Chenglei Si , Zhengyan Zhang , Fanchao Qi , Zhiyuan Liu , Yasheng Wang , Qun Liu , Maosong Sun

Traditional classification algorithms assume that training and test data come from similar distributions. This assumption is violated in adversarial settings, where malicious actors modify instances to evade detection. A number of custom…

计算机科学与博弈论 · 计算机科学 2016-11-29 Bo Li , Yevgeniy Vorobeychik , Xinyun Chen

Adversarial attacks, e.g., adversarial perturbations of the input and adversarial samples, pose significant challenges to machine learning and deep learning techniques, including interactive recommendation systems. The latent embedding…

机器学习 · 计算机科学 2021-12-03 Siyu Wang , Yuanjiang Cao , Xiaocong Chen , Lina Yao , Xianzhi Wang , Quan Z. Sheng

The design of better automated dialogue evaluation metrics offers the potential of accelerate evaluation research on conversational AI. However, existing trainable dialogue evaluation models are generally restricted to classifiers trained…

计算与语言 · 计算机科学 2021-04-19 Xiang Gao , Yizhe Zhang , Michel Galley , Bill Dolan

In the future, powerful AI systems may be deployed in high-stakes settings, where a single failure could be catastrophic. One technique for improving AI safety in high-stakes settings is adversarial training, which uses an adversary to…

Deep reinforcement learning (DRL) policies have been shown to be deceived by perturbations (e.g., random noise or intensional adversarial attacks) on state observations that appear at test time but are unknown during training. To increase…

机器学习 · 计算机科学 2020-12-25 Xinghua Qu , Yew-Soon Ong , Abhishek Gupta , Zhu Sun

Adversarial Training (AT) is proposed to alleviate the adversarial vulnerability of machine learning models by extracting only robust features from the input, which, however, inevitably leads to severe accuracy reduction as it discards the…

机器学习 · 统计学 2020-07-06 Yifei Wang , Dan Peng , Furui Liu , Zhenguo Li , Zhitang Chen , Jiansheng Yang

Despite their promising performance across various natural language processing (NLP) tasks, current NLP systems are vulnerable to textual adversarial attacks. To defend against these attacks, most existing methods apply adversarial training…

计算与语言 · 计算机科学 2023-07-06 Junjie Wu , Dit-Yan Yeung

With the rise of powerful foundation models, a pre-training-fine-tuning paradigm becomes increasingly popular these days: A foundation model is pre-trained using a huge amount of data from various sources, and then the downstream users only…

机器学习 · 计算机科学 2025-04-16 Meiqi Liu , Zhuoqun Huang , Yue Xing

In this paper we propose a new family of algorithms, ATENT, for training adversarially robust deep neural networks. We formulate a new loss function that is equipped with an additional entropic regularization. Our loss function considers…

机器学习 · 计算机科学 2021-02-22 Gauri Jagatap , Ameya Joshi , Animesh Basak Chowdhury , Siddharth Garg , Chinmay Hegde

Despite that deep neural networks (DNNs) have achieved enormous success in many domains like natural language processing (NLP), they have also been proven to be vulnerable to maliciously generated adversarial examples. Such inherent…

计算与语言 · 计算机科学 2021-02-24 Jinfeng Li , Tianyu Du , Xiangyu Liu , Rong Zhang , Hui Xue , Shouling Ji