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Deep neural networks for computer vision are deployed in increasingly safety-critical and socially-impactful applications, motivating the need to close the gap in model performance under varied, naturally occurring imaging conditions.…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Nathan Drenkow , Numair Sani , Ilya Shpitser , Mathias Unberath

While end-to-end neural machine translation (NMT) has achieved impressive progress, noisy input usually leads models to become fragile and unstable. Generating adversarial examples as the augmented data has been proved to be useful to…

计算与语言 · 计算机科学 2022-10-25 Juncheng Wan , Jian Yang , Shuming Ma , Dongdong Zhang , Weinan Zhang , Yong Yu , Zhoujun Li

The study of adversarial robustness has so far largely focused on perturbations bound in p-norms. However, state-of-the-art models turn out to be also vulnerable to other, more natural classes of perturbations such as translations and…

机器学习 · 计算机科学 2019-09-17 Logan Engstrom , Brandon Tran , Dimitris Tsipras , Ludwig Schmidt , Aleksander Madry

Neural networks are vulnerable to adversarially-constructed perturbations of their inputs. Most research so far has considered perturbations of a fixed magnitude under some $l_p$ norm. Although studying these attacks is valuable, there has…

机器学习 · 计算机科学 2019-10-02 Isaac Dunn , Hadrien Pouget , Tom Melham , Daniel Kroening

The promising performance of Deep Neural Networks (DNNs) in text classification, has attracted researchers to use them for fraud review detection. However, the lack of trusted labeled data has limited the performance of the current…

机器学习 · 计算机科学 2021-03-18 Saeedreza Shehnepoor , Roberto Togneri , Wei Liu , Mohammed Bennamoun

While most image captioning aims to generate objective descriptions of images, the last few years have seen work on generating visually grounded image captions which have a specific style (e.g., incorporating positive or negative…

计算机视觉与模式识别 · 计算机科学 2019-08-09 Omid Mohamad Nezami , Mark Dras , Stephen Wan , Cecile Paris , Len Hamey

Recently adversarial attacks on automatic speaker verification (ASV) systems attracted widespread attention as they pose severe threats to ASV systems. However, methods to defend against such attacks are limited. Existing approaches mainly…

音频与语音处理 · 电气工程与系统科学 2020-08-10 Xu Li , Na Li , Jinghua Zhong , Xixin Wu , Xunying Liu , Dan Su , Dong Yu , Helen Meng

Textual adversarial attacks can discover models' weaknesses by adding semantic-preserved but misleading perturbations to the inputs. The long-lasting adversarial attack-and-defense arms race in Natural Language Processing (NLP) is…

计算与语言 · 计算机科学 2023-05-31 Yangyi Chen , Hongcheng Gao , Ganqu Cui , Lifan Yuan , Dehan Kong , Hanlu Wu , Ning Shi , Bo Yuan , Longtao Huang , Hui Xue , Zhiyuan Liu , Maosong Sun , Heng Ji

Despite achieving impressive performance, state-of-the-art classifiers remain highly vulnerable to small, imperceptible, adversarial perturbations. This vulnerability has proven empirically to be very intricate to address. In this paper, we…

机器学习 · 计算机科学 2018-12-03 Alhussein Fawzi , Hamza Fawzi , Omar Fawzi

Adversarial attacks insert small, imperceptible perturbations to input samples that cause large, undesired changes to the output of deep learning models. Despite extensive research on generating adversarial attacks and building defense…

机器学习 · 计算机科学 2023-06-27 Vyas Raina , Mark Gales

Recurrent Neural Networks (RNNs) yield attractive properties for constructing Intrusion Detection Systems (IDSs) for network data. With the rise of ubiquitous Machine Learning (ML) systems, malicious actors have been catching up quickly to…

机器学习 · 计算机科学 2020-10-16 Alexander Hartl , Maximilian Bachl , Joachim Fabini , Tanja Zseby

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

Adversarial learning has emerged as one of the successful techniques to circumvent the susceptibility of existing methods against adversarial perturbations. However, the majority of existing defense methods are tailored to defend against a…

机器学习 · 计算机科学 2021-06-28 Divyam Madaan , Jinwoo Shin , Sung Ju Hwang

Today text classification models have been widely used. However, these classifiers are found to be easily fooled by adversarial examples. Fortunately, standard attacking methods generate adversarial texts in a pair-wise way, that is, an…

计算与语言 · 计算机科学 2020-03-24 Yankun Ren , Jianbin Lin , Siliang Tang , Jun Zhou , Shuang Yang , Yuan Qi , Xiang Ren

Machine learning models are vulnerable to adversarial examples formed by applying small carefully chosen perturbations to inputs that cause unexpected classification errors. In this paper, we perform experiments on various adversarial…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Andras Rozsa , Manuel Günther , Terrance E. Boult

Deep neural networks are known to be vulnerable to adversarial examples, i.e., images that are maliciously perturbed to fool the model. Generating adversarial examples has been mostly limited to finding small perturbations that maximize the…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Hossein Hosseini , Radha Poovendran

Ideally, what confuses neural network should be confusing to humans. However, recent experiments have shown that small, imperceptible perturbations can change the network prediction. To address this gap in perception, we propose a novel…

机器学习 · 计算机科学 2018-10-31 Alexander Matyasko , Lap-Pui Chau

We explore rigorous, systematic, and controlled experimental evaluation of adversarial examples in the real world and propose a testing regimen for evaluation of real world adversarial objects. We show that for small scene/ environmental…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Brett Jefferson , Carlos Ortiz Marrero

It is still a challenging task to learn a neural text generation model under the framework of generative adversarial networks (GANs) since the entire training process is not differentiable. The existing training strategies either suffer…

计算与语言 · 计算机科学 2023-07-25 Liping Yuan , Jiehang Zeng , Xiaoqing Zheng

We present a novel method for generating robust adversarial image examples building upon the recent `deep image prior' (DIP) that exploits convolutional network architectures to enforce plausible texture in image synthesis. Adversarial…

计算机视觉与模式识别 · 计算机科学 2019-07-04 Thomas Gittings , Steve Schneider , John Collomosse