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Supervised learning-based adversarial attack detection methods rely on a large number of labeled data and suffer significant performance degradation when applying the trained model to new domains. In this paper, we propose a self-supervised…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Yi Li , Plamen Angelov , Neeraj Suri

Attribution methods have been developed to explain the decision of a machine learning model on a given input. We use the Integrated Gradient method for finding attributions to define the causal neighborhood of an input by incrementally…

We consider adversarial examples for image classification in the black-box decision-based setting. Here, an attacker cannot access confidence scores, but only the final label. Most attacks for this scenario are either unreliable or…

机器学习 · 统计学 2021-04-30 Thomas Brunner , Frederik Diehl , Michael Truong Le , Alois Knoll

Audio processing models based on deep neural networks are susceptible to adversarial attacks even when the adversarial audio waveform is 99.9% similar to a benign sample. Given the wide application of DNN-based audio recognition systems,…

机器学习 · 计算机科学 2020-07-28 Victor Akinwande , Celia Cintas , Skyler Speakman , Srihari Sridharan

We present a principled approach for detecting out-of-distribution (OOD) and adversarial samples in deep neural networks. Our approach consists in modeling the outputs of the various layers (deep features) with parametric probability…

机器学习 · 统计学 2019-09-27 Nilesh A. Ahuja , Ibrahima Ndiour , Trushant Kalyanpur , Omesh Tickoo

Adversarial attacks present a significant threat to modern machine learning systems. Yet, existing detection methods often lack the ability to detect unseen attacks or detect different attack types with a high level of accuracy. In this…

密码学与安全 · 计算机科学 2025-10-06 Chinthana Wimalasuriya , Spyros Tragoudas

Neural networks are known to be vulnerable to adversarial attacks -- slight but carefully constructed perturbations of the inputs which can drastically impair the network's performance. Many defense methods have been proposed for improving…

Deep Learning models are vulnerable to adversarial examples, i.e.\ images obtained via deliberate imperceptible perturbations, such that the model misclassifies them with high confidence. However, class confidence by itself is an incomplete…

机器学习 · 统计学 2017-11-23 Ambrish Rawat , Martin Wistuba , Maria-Irina Nicolae

Deep neural networks have achieved unprecedented success on diverse vision tasks. However, they are vulnerable to adversarial noise that is imperceptible to humans. This phenomenon negatively affects their deployment in real-world…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Jianping Zhang , Jen-tse Huang , Wenxuan Wang , Yichen Li , Weibin Wu , Xiaosen Wang , Yuxin Su , Michael R. Lyu

In recent years Deep Neural Networks (DNNs) have achieved remarkable results and even showed super-human capabilities in a broad range of domains. This led people to trust in DNNs' classifications and resulting actions even in…

密码学与安全 · 计算机科学 2020-12-14 Philip Sperl , Ching-Yu Kao , Peng Chen , Konstantin Böttinger

Recent studies have shown that deep learning models are vulnerable to specifically crafted adversarial inputs that are quasi-imperceptible to humans. In this letter, we propose a novel method to detect adversarial inputs, by augmenting the…

机器学习 · 计算机科学 2020-02-25 Kirthi Shankar Sivamani , Rajeev Sahay , Aly El Gamal

Deep Neural Networks (DNNs) are known to be vulnerable to the maliciously generated adversarial examples. To detect these adversarial examples, previous methods use artificially designed metrics to characterize the properties of…

计算机视觉与模式识别 · 计算机科学 2019-11-18 Xiaofeng Mao , Yuefeng Chen , Yuhong Li , Yuan He , Hui Xue

Recent advances in machine learning show that neural models are vulnerable to minimally perturbed inputs, or adversarial examples. Adversarial algorithms are optimization problems that minimize the accuracy of ML models by perturbing…

机器学习 · 计算机科学 2022-05-20 Thomas Cilloni , Charles Walter , Charles Fleming

Deep Neural Networks (DNNs) are highly sensitive to imperceptible malicious perturbations, known as adversarial attacks. Following the discovery of this vulnerability in real-world imaging and vision applications, the associated safety…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Tsachi Blau , Roy Ganz , Bahjat Kawar , Alex Bronstein , Michael Elad

Deep convolutional neural networks can be highly vulnerable to small perturbations of their inputs, potentially a major issue or limitation on system robustness when using deep networks as classifiers. In this paper we propose a low-cost…

机器学习 · 计算机科学 2019-12-16 Amir Nazemi , Paul Fieguth

Deep learning-based discriminative classifiers, despite their remarkable success, remain vulnerable to adversarial examples that can mislead model predictions. While adversarial training can enhance robustness, it fails to address the…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Chunheng Zhao , Pierluigi Pisu , Gurcan Comert , Negash Begashaw , Varghese Vaidyan , Nina Christine Hubig

Systems based on deep neural networks are vulnerable to adversarial attacks. Unrestricted adversarial attacks typically manipulate the semantic content of an image (e.g., color or texture) to create adversarial examples that are both…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Zihao Pan , Lifeng Chen , Weibin Wu , Yuhang Cao , Zibin Zheng

Recent studies imply that deep neural networks are vulnerable to adversarial examples -- inputs with a slight but intentional perturbation are incorrectly classified by the network. Such vulnerability makes it risky for some…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Jinyu Yang , Chunyuan Li , Weizhi An , Hehuan Ma , Yuzhi Guo , Yu Rong , Peilin Zhao , Junzhou Huang

It is well established that neural networks are vulnerable to adversarial examples, which are almost imperceptible on human vision and can cause the deep models misbehave. Such phenomenon may lead to severely inestimable consequences in the…

机器学习 · 计算机科学 2020-09-09 Dengpan Ye , Chuanxi Chen , Changrui Liu , Hao Wang , Shunzhi Jiang

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