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Adversarial samples are strategically modified samples, which are crafted with the purpose of fooling a classifier at hand. An attacker introduces specially crafted adversarial samples to a deployed classifier, which are being…

机器学习 · 计算机科学 2017-07-11 Suranjana Samanta , Sameep Mehta

Deep neural networks (DNNs) are vulnerable to adversarial examples, which are crafted by adding imperceptible perturbations to inputs. Recently different attacks and strategies have been proposed, but how to generate adversarial examples…

机器学习 · 计算机科学 2021-01-13 Tao Bai , Jun Zhao , Jinlin Zhu , Shoudong Han , Jiefeng Chen , Bo Li , Alex Kot

While deep neural networks (DNNs) have revolutionized many fields, their fragility to carefully designed adversarial attacks impedes the usage of DNNs in safety-critical applications. In this paper, we strive to explore the robust features…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Hong Wang , Yuefan Deng , Shinjae Yoo , Yuewei Lin

Deep neural networks are vulnerable to adversarial examples, i.e., carefully-perturbed inputs aimed to mislead classification. This work proposes a detection method based on combining non-linear dimensionality reduction and density…

机器学习 · 计算机科学 2019-05-02 Francesco Crecchi , Davide Bacciu , Battista Biggio

Recent work has shown that additive threat models, which only permit the addition of bounded noise to the pixels of an image, are insufficient for fully capturing the space of imperceivable adversarial examples. For example, small rotations…

机器学习 · 统计学 2019-02-25 Matt Jordan , Naren Manoj , Surbhi Goel , Alexandros G. Dimakis

Adversarial vulnerability remains a major obstacle to constructing reliable NLP systems. When imperceptible perturbations are added to raw input text, the performance of a deep learning model may drop dramatically under attacks. Recent work…

计算与语言 · 计算机科学 2022-10-28 Jiahao Zhao , Wenji Mao

Deep generative models are rapidly becoming a common tool for researchers and developers. However, as exhaustively shown for the family of discriminative models, the test-time inference of deep neural networks cannot be fully controlled and…

机器学习 · 计算机科学 2019-05-15 Dario Pasquini , Marco Mingione , Massimo Bernaschi

The Deep Neural Networks are vulnerable toadversarial exam-ples(Figure 1), making the DNNs-based systems collapsed byadding the inconspicuous perturbations to the images. Most of the existing works for adversarial attack are gradient-based…

计算机视觉与模式识别 · 计算机科学 2021-07-21 Shaohao Lu , Yuqiao Xian , Ke Yan , Yi Hu , Xing Sun , Xiaowei Guo , Feiyue Huang , Wei-Shi Zheng

Adversarial attacks find perturbations that can fool models into misclassifying images. Previous works had successes in generating noisy/edge-rich adversarial perturbations, at the cost of degradation of image quality. Such perturbations,…

计算机视觉与模式识别 · 计算机科学 2018-08-09 Wen Heng , Shuchang Zhou , Tingting Jiang

The colorization of grayscale images is an ill-posed problem, with multiple correct solutions. In this paper, we propose an adversarial learning colorization approach coupled with semantic information. A generative network is used to infer…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Patricia Vitoria , Lara Raad , Coloma Ballester

Deep learning on graph structures has shown exciting results in various applications. However, few attentions have been paid to the robustness of such models, in contrast to numerous research work for image or text adversarial attack and…

机器学习 · 计算机科学 2018-06-08 Hanjun Dai , Hui Li , Tian Tian , Xin Huang , Lin Wang , Jun Zhu , Le Song

State-of-the-art deep neural networks are known to be vulnerable to adversarial examples, formed by applying small but malicious perturbations to the original inputs. Moreover, the perturbations can \textit{transfer across models}:…

机器学习 · 统计学 2018-02-28 Lei Wu , Zhanxing Zhu , Cheng Tai , Weinan E

Thanks to recent advances in deep neural networks (DNNs), face recognition systems have become highly accurate in classifying a large number of face images. However, recent studies have found that DNNs could be vulnerable to adversarial…

机器学习 · 计算机科学 2020-01-29 Kazuya Kakizaki , Kosuke Yoshida

Though deep neural networks have achieved state-of-the-art performance in visual classification, recent studies have shown that they are all vulnerable to the attack of adversarial examples. Small and often imperceptible perturbations to…

机器学习 · 计算机科学 2018-06-05 Pinlong Zhao , Zhouyu Fu , Ou wu , Qinghua Hu , Jun Wang

Deep neural networks perform well on real world data but are prone to adversarial perturbations: small changes in the input easily lead to misclassification. In this work, we propose an attack methodology not only for cases where the…

机器学习 · 计算机科学 2019-10-09 Aram-Alexandre Pooladian , Chris Finlay , Tim Hoheisel , Adam Oberman

We propose a novel approach to mitigate biases in computer vision models by utilizing counterfactual generation and fine-tuning. While counterfactuals have been used to analyze and address biases in DNN models, the counterfactuals…

计算机视觉与模式识别 · 计算机科学 2024-07-01 Pushkar Shukla , Dhruv Srikanth , Lee Cohen , Matthew Turk

Counterfactual explanations and adversarial attacks have a related goal: flipping output labels with minimal perturbations regardless of their characteristics. Yet, adversarial attacks cannot be used directly in a counterfactual explanation…

计算机视觉与模式识别 · 计算机科学 2023-03-20 Guillaume Jeanneret , Loïc Simon , Frédéric Jurie

A wide variety of works have explored the reason for the existence of adversarial examples, but there is no consensus on the explanation. We propose to treat the DNN logits as a vector for feature representation, and exploit them to analyze…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Chaoning Zhang , Philipp Benz , Tooba Imtiaz , In-So Kweon

In this work we present an adversarial training algorithm that exploits correlations in video to learn --without supervision-- an image generator model with a disentangled latent space. The proposed methodology requires only a few…

计算机视觉与模式识别 · 计算机科学 2019-10-25 Facundo Tuesca , Lucas C. Uzal

Machine learning systems based on deep neural networks, being able to produce state-of-the-art results on various perception tasks, have gained mainstream adoption in many applications. However, they are shown to be vulnerable to…

机器学习 · 计算机科学 2018-01-16 Bo Luo , Yannan Liu , Lingxiao Wei , Qiang Xu