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Standard adversarial attacks change the predicted class label of a selected image by adding specially tailored small perturbations to its pixels. In contrast, a universal perturbation is an update that can be added to any image in a broad…

计算机视觉与模式识别 · 计算机科学 2019-11-22 Ali Shafahi , Mahyar Najibi , Zheng Xu , John Dickerson , Larry S. Davis , Tom Goldstein

Deep neural networks (DNNs) have been used in digital forensics to identify fake facial images. We investigated several DNN-based forgery forensics models (FFMs) to examine whether they are secure against adversarial attacks. We…

计算机视觉与模式识别 · 计算机科学 2020-05-21 Rong Huang , Fuming Fang , Huy H. Nguyen , Junichi Yamagishi , Isao Echizen

Deep neural networks (DNNs) have achieved great success in various applications due to their strong expressive power. However, recent studies have shown that DNNs are vulnerable to adversarial examples which are manipulated instances…

机器学习 · 计算机科学 2020-07-06 Haonan Qiu , Chaowei Xiao , Lei Yang , Xinchen Yan , Honglak Lee , Bo Li

It is now well known that deep neural networks (DNNs) are vulnerable to adversarial attack. Adversarial samples are similar to the clean ones, but are able to cheat the attacked DNN to produce incorrect predictions in high confidence. But…

机器学习 · 计算机科学 2019-12-17 Sizhe Chen , Xiaolin Huang , Zhengbao He , Chengjin Sun

In this work, we develop efficient disruptions of black-box image translation deepfake generation systems. We are the first to demonstrate black-box deepfake generation disruption by presenting image translation formulations of attacks…

计算机视觉与模式识别 · 计算机科学 2020-06-12 Nataniel Ruiz , Sarah Adel Bargal , Stan Sclaroff

The vulnerability of deep neural networks to adversarial attacks has been widely demonstrated (e.g., adversarial example attacks). Traditional attacks perform unstructured pixel-wise perturbation to fool the classifier. An alternative…

机器学习 · 计算机科学 2022-05-23 Shuo Wang , Surya Nepal , Carsten Rudolph , Marthie Grobler , Shangyu Chen , Tianle Chen

As Contrastive Language-Image Pre-training (CLIP) models are increasingly adopted for diverse downstream tasks and integrated into large vision-language models (VLMs), their susceptibility to adversarial perturbations has emerged as a…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Hanxun Huang , Sarah Erfani , Yige Li , Xingjun Ma , James Bailey

While deep learning models have achieved remarkable success in time series forecasting, their vulnerability to adversarial examples remains a critical security concern. However, existing attack methods in the forecasting field typically…

机器学习 · 计算机科学 2026-02-13 Ruixian Su , Yukun Bao , Xinze Zhang

Recently, automatic speaker verification (ASV) based on deep learning is easily contaminated by adversarial attacks, which is a new type of attack that injects imperceptible perturbations to audio signals so as to make ASV produce wrong…

音频与语音处理 · 电气工程与系统科学 2024-07-10 Yibo Bai , Xiao-Lei Zhang , Xuelong Li

Deep neural networks (DNNs) have risen to prominence as key solutions in numerous AI applications for earth observation (AI4EO). However, their susceptibility to adversarial examples poses a critical challenge, compromising the reliability…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Weikang Yu , Yonghao Xu , Pedram Ghamisi

Deep neural networks (DNNs) are demonstrated to be vulnerable to universal perturbation, a single quasi-perceptible perturbation that can deceive the DNN on most images. However, the previous works are focused on using universal…

密码学与安全 · 计算机科学 2023-11-06 Donghua Wang , Wen Yao , Tingsong Jiang , Xiaoqian Chen

Adversarial attacks on deep neural networks (DNNs) have been found for several years. However, the existing adversarial attacks have high success rates only when the information of the victim DNN is well-known or could be estimated by the…

机器学习 · 计算机科学 2020-10-22 Sizhe Chen , Zhengbao He , Chengjin Sun , Jie Yang , Xiaolin Huang

We demonstrate the existence of universal adversarial perturbations, which can fool a family of audio classification architectures, for both targeted and untargeted attack scenarios. We propose two methods for finding such perturbations.…

Deep learning models achieve excellent performance in numerous machine learning tasks. Yet, they suffer from security-related issues such as adversarial examples and poisoning (backdoor) attacks. A deep learning model may be poisoned by…

机器学习 · 计算机科学 2023-08-25 Xiaoyun Xu , Oguzhan Ersoy , Stjepan Picek

Mass surveillance systems for voice over IP (VoIP) conversations pose a great risk to privacy. These automated systems use learning models to analyze conversations, and calls that involve specific topics are routed to a human agent for…

声音 · 计算机科学 2021-09-03 Yael Mathov , Tal Ben Senior , Asaf Shabtai , Yuval Elovici

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

The susceptibility of deep neural networks (DNNs) to adversarial examples has prompted an increase in the deployment of adversarial attacks. Image-agnostic universal adversarial perturbations (UAPs) are much more threatening, but many…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Geunhyeok Yu , Minwoo Jeon , Hyoseok Hwang

Interpreting neural network classifiers using gradient-based saliency maps has been extensively studied in the deep learning literature. While the existing algorithms manage to achieve satisfactory performance in application to standard…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Haniyeh Ehsani Oskouie , Farzan Farnia

Deep neural networks have achieved great success in many important remote sensing tasks. Nevertheless, their vulnerability to adversarial examples should not be neglected. In this study, we systematically analyze the universal adversarial…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Yonghao Xu , Pedram Ghamisi

Universal adversarial perturbation attacks are widely used to analyze image classifiers that employ convolutional neural networks. Nowadays, some attacks can deceive image- and video-quality metrics. So sustainability analysis of these…

计算机视觉与模式识别 · 计算机科学 2022-11-02 Ekaterina Shumitskaya , Anastasia Antsiferova , Dmitriy Vatolin