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In this paper, we present an approach to improve the robustness of BERT language models against word substitution-based adversarial attacks by leveraging adversarial perturbations for self-supervised contrastive learning. We create a…

计算与语言 · 计算机科学 2022-05-25 Zhao Meng , Yihan Dong , Mrinmaya Sachan , Roger Wattenhofer

Data augmentations (DA) are the cores to achieving robust sequence-to-sequence learning on various natural language processing (NLP) tasks. However, most of the DA approaches force the decoder to make predictions conditioned on the…

计算与语言 · 计算机科学 2022-04-26 Zheng Zhang , Liang Ding , Dazhao Cheng , Xuebo Liu , Min Zhang , Dacheng Tao

The safety and robustness of learning-based decision-making systems are under threats from adversarial examples, as imperceptible perturbations can mislead neural networks to completely different outputs. In this paper, we present an…

机器学习 · 计算机科学 2019-11-28 Chao Tang , Yifei Fan , Anthony Yezzi

Whisper is a recent Automatic Speech Recognition (ASR) model displaying impressive robustness to both out-of-distribution inputs and random noise. In this work, we show that this robustness does not carry over to adversarial noise. We show…

音频与语音处理 · 电气工程与系统科学 2023-08-14 Raphael Olivier , Bhiksha Raj

This study addresses the speech enhancement (SE) task within the causal inference paradigm by modeling the noise presence as an intervention. Based on the potential outcome framework, the proposed causal inference-based speech enhancement…

音频与语音处理 · 电气工程与系统科学 2022-11-03 Tsun-An Hsieh , Chao-Han Huck Yang , Pin-Yu Chen , Sabato Marco Siniscalchi , Yu Tsao

Existing work in trustworthy machine learning primarily focuses on single-input adversarial perturbations. In many real-world attack scenarios, input-agnostic adversarial attacks, e.g. universal adversarial perturbations (UAPs), are much…

机器学习 · 计算机科学 2024-09-10 Changming Xu , Gagandeep Singh

As a new programming paradigm, deep learning has expanded its application to many real-world problems. At the same time, deep learning based software are found to be vulnerable to adversarial attacks. Though various defense mechanisms have…

密码学与安全 · 计算机科学 2021-03-16 Zhe Zhao , Guangke Chen , Jingyi Wang , Yiwei Yang , Fu Song , Jun Sun

Deep learning has seen widespread success in various domains such as science, industry, and society. However, it is acknowledged that certain approaches suffer from non-robustness, relying on spurious correlations for predictions.…

机器学习 · 计算机科学 2025-05-22 Xiaoling Zhou , Wei Ye , Rui Xie , Shikun Zhang

Deep Neural Networks(DNN) have excessively advanced the field of computer vision by achieving state of the art performance in various vision tasks. These results are not limited to the field of vision but can also be seen in speech…

密码学与安全 · 计算机科学 2018-06-07 Chirag Agarwal , Bo Dong , Dan Schonfeld , Anthony Hoogs

Network Intrusion Detection System (NIDS) is an essential tool in securing cyberspace from a variety of security risks and unknown cyberattacks. A number of solutions have been implemented for Machine Learning (ML), and Deep Learning (DL)…

密码学与安全 · 计算机科学 2023-08-02 Khushnaseeb Roshan , Aasim Zafar , Shiekh Burhan Ul Haque

Class-Incremental Semantic Segmentation (CISS) requires continuous learning of newly introduced classes while retaining knowledge of past classes. By abstracting mainstream methods into two stages (visual feature extraction and…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Ruitao Wu , Yifan Zhao , Jia Li

We attribute the vulnerability of natural language processing models to the fact that similar inputs are converted to dissimilar representations in the embedding space, leading to inconsistent outputs, and we propose a novel robust training…

计算与语言 · 计算机科学 2022-07-28 Yichen Yang , Xiaosen Wang , Kun He

Randomized smoothing has achieved great success for certified robustness against adversarial perturbations. Given any arbitrary classifier, randomized smoothing can guarantee the classifier's prediction over the perturbed input with…

计算机视觉与模式识别 · 计算机科学 2022-08-22 Hanbin Hong , Yuan Hong

Adversarial examples pose a security threat to many critical systems built on neural networks (such as face recognition systems, and self-driving cars). While many methods have been proposed to build robust models, how to build certifiably…

机器学习 · 计算机科学 2023-09-06 Ruihan Zhang , Peixin Zhang , Jun Sun

Despite their impressive performance, deep convolutional neural networks (CNNs) have been shown to be sensitive to small adversarial perturbations. These nuisances, which one can barely notice, are powerful enough to fool sophisticated and…

机器学习 · 统计学 2019-08-07 Yaniv Romano , Aviad Aberdam , Jeremias Sulam , Michael Elad

Semantic parsing is a technique aimed at constructing a structured representation of the meaning of a natural-language question. Recent advancements in few-shot language models trained on code have demonstrated superior performance in…

计算与语言 · 计算机科学 2023-03-10 Terry Yue Zhuo , Zhuang Li , Yujin Huang , Fatemeh Shiri , Weiqing Wang , Gholamreza Haffari , Yuan-Fang Li

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 training instances can severely distort a model's behavior. This work investigates certified regression defenses, which provide guaranteed limits on how much a regressor's prediction may change under a poisoning attack. Our key…

机器学习 · 计算机科学 2023-01-02 Zayd Hammoudeh , Daniel Lowd

Eliminating the negative effect of non-stationary environmental noise is a long-standing research topic for automatic speech recognition that stills remains an important challenge. Data-driven supervised approaches, including ones based on…

The vulnerability of deep neural networks (DNNs) to adversarial attack, which is an attack that can mislead state-of-the-art classifiers into making an incorrect classification with high confidence by deliberately perturbing the original…

机器学习 · 计算机科学 2021-06-18 Lina Wang , Rui Tang , Yawei Yue , Xingshu Chen , Wei Wang , Yi Zhu , Xuemei Zeng