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相关论文: Semantic-Preserving Adversarial Text Attacks

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Adversarial attacks hamper the functionality and accuracy of Deep Neural Networks (DNNs) by meddling with subtle perturbations to their inputs.In this work, we propose a new Mask-based Adversarial Defense scheme (MAD) for DNNs to mitigate…

机器学习 · 计算机科学 2022-04-27 Weizhen Xu , Chenyi Zhang , Fangzhen Zhao , Liangda Fang

Adversarial attacks have been shown to be highly effective at degrading the performance of deep neural networks (DNNs). The most prominent defense is adversarial training, a method for learning a robust model. Nevertheless, adversarial…

计算机视觉与模式识别 · 计算机科学 2021-09-07 Uriya Pesso , Koby Bibas , Meir Feder

Text classification is a fundamental language task in Natural Language Processing. A variety of sequential models is capable making good predictions yet there is lack of connection between language semantics and prediction results. This…

计算与语言 · 计算机科学 2021-12-07 Shaw-Hwa Lo , Yiqiao Yin

Adversarial examples are carefully constructed modifications to an input that completely change the output of a classifier but are imperceptible to humans. Despite these successful attacks for continuous data (such as image and audio…

机器学习 · 计算机科学 2019-04-08 Qi Lei , Lingfei Wu , Pin-Yu Chen , Alexandros G. Dimakis , Inderjit S. Dhillon , Michael Witbrock

Most recent self-supervised learning methods learn visual representation by contrasting different augmented views of images. Compared with supervised learning, more aggressive augmentations have been introduced to further improve the…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Yingbin Bai , Erkun Yang , Zhaoqing Wang , Yuxuan Du , Bo Han , Cheng Deng , Dadong Wang , Tongliang Liu

In the past few years, it has been shown that deep learning systems are highly vulnerable under attacks with adversarial examples. Neural-network-based automatic speech recognition (ASR) systems are no exception. Targeted and untargeted…

音频与语音处理 · 电气工程与系统科学 2024-11-07 Matías Pizarro , Dorothea Kolossa , Asja Fischer

With the increasing application value of machine learning, the intellectual property (IP) rights of deep neural networks (DNN) are getting more and more attention. With our analysis, most of the existing DNN watermarking methods can resist…

密码学与安全 · 计算机科学 2022-08-12 Tzu-Yun Chien , Chih-Ya Shen

Textual adversarial attacks expose the vulnerabilities of text classifiers and can be used to improve their robustness. Existing context-aware methods solely consider the gold label probability and use the greedy search when searching an…

计算与语言 · 计算机科学 2022-08-18 Huijun Liu , Jie Yu , Shasha Li , Jun Ma , Bin Ji

Deep neural networks have demonstrated remarkable effectiveness across a wide range of tasks such as semantic segmentation. Nevertheless, these networks are vulnerable to adversarial attacks that add imperceptible perturbations to the input…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Kira Maag , Roman Resner , Asja Fischer

Adversarial attacks, particularly the Fast Gradient Sign Method (FGSM) and Projected Gradient Descent (PGD) pose significant threats to the robustness of deep learning models in image classification. This paper explores and refines defense…

密码学与安全 · 计算机科学 2025-05-15 Hetvi Waghela , Jaydip Sen , Sneha Rakshit

A line of work has shown that natural text processing models are vulnerable to adversarial examples. Correspondingly, various defense methods are proposed to mitigate the threat of textual adversarial examples, eg, adversarial training,…

计算与语言 · 计算机科学 2022-07-21 Xiaosen Wang , Yifeng Xiong , Kun He

Neural ranking models (NRMs) have undergone significant development and have become integral components of information retrieval (IR) systems. Unfortunately, recent research has unveiled the vulnerability of NRMs to adversarial document…

信息检索 · 计算机科学 2023-08-01 Xuanang Chen , Ben He , Le Sun , Yingfei Sun

Sparse attacks are to optimize the magnitude of adversarial perturbations for fooling deep neural networks (DNNs) involving only a few perturbed pixels (i.e., under the l0 constraint), suitable for interpreting the vulnerability of DNNs.…

机器学习 · 计算机科学 2025-06-24 Fudong Lin , Jiadong Lou , Hao Wang , Brian Jalaian , Xu Yuan

Recently, few certified defense methods have been developed to provably guarantee the robustness of a text classifier to adversarial synonym substitutions. However, all existing certified defense methods assume that the defenders are…

计算与语言 · 计算机科学 2021-07-27 Jiehang Zeng , Xiaoqing Zheng , Jianhan Xu , Linyang Li , Liping Yuan , Xuanjing Huang

Adversarial examples can cause catastrophic mistakes in Deep Neural Network (DNNs) based vision systems e.g., for classification, segmentation and object detection. The vulnerability of DNNs against such attacks can prove a major roadblock…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Muzammal Naseer , Salman Khan , Munawar Hayat , Fahad Shahbaz Khan , Fatih Porikli

In this paper we propose a novel defense approach against end-to-end adversarial attacks developed to fool advanced speech-to-text systems such as DeepSpeech and Lingvo. Unlike conventional defense approaches, the proposed approach does not…

声音 · 计算机科学 2021-02-23 Mohammad Esmaeilpour , Patrick Cardinal , Alessandro Lameiras Koerich

The field of textual adversarial defenses has gained considerable attention in recent years due to the increasing vulnerability of natural language processing (NLP) models to adversarial attacks, which exploit subtle perturbations in input…

计算与语言 · 计算机科学 2024-12-11 Wangli Yang , Jie Yang , Yi Guo , Johan Barthelemy

Deep Neural Networks are vulnerable to adversarial examples, i.e., carefully crafted input samples that can cause models to make incorrect predictions with high confidence. To mitigate these vulnerabilities, adversarial training and…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Francesco Villani , Igor Maljkovic , Dario Lazzaro , Angelo Sotgiu , Antonio Emanuele Cinà , Fabio Roli

Deep neural networks (DNNs) have achieved remarkable success in the field of natural language processing (NLP), leading to widely recognized applications such as ChatGPT. However, the vulnerability of these models to adversarial attacks…

人工智能 · 计算机科学 2025-02-25 Yangshijie Zhang

Adversarial examples pose a significant challenge to deep neural networks (DNNs) across both image and text domains, with the intent to degrade model performance through meticulously altered inputs. Adversarial texts, however, are distinct…

机器学习 · 计算机科学 2025-01-24 Shakila Mahjabin Tonni , Pedro Faustini , Mark Dras