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Adversarial attacks modify images with perturbations that change the prediction of classifiers. These modified images, known as adversarial examples, expose the vulnerabilities of deep neural network classifiers. In this paper, we…

Machine Learning · Computer Science 2022-06-03 Chau Yi Li , Ricardo Sánchez-Matilla , Ali Shahin Shamsabadi , Riccardo Mazzon , Andrea Cavallaro

Deep neural networks have been demonstrated to be vulnerable to adversarial attacks: subtle perturbation can completely change prediction result. The vulnerability has led to a surge of research in this direction, including adversarial…

Computer Vision and Pattern Recognition · Computer Science 2021-06-07 Quanyu Liao , Xin Wang , Bin Kong , Siwei Lyu , Bin Zhu , Youbing Yin , Qi Song , Xi Wu

It has been observed that deep learning architectures tend to make erroneous decisions with high reliability for particularly designed adversarial instances. In this work, we show that the perturbation analysis of these architectures…

Machine Learning · Computer Science 2018-12-05 Emilio Rafael Balda , Arash Behboodi , Rudolf Mathar

The deep neural network is vulnerable to adversarial examples. Adding imperceptible adversarial perturbations to images is enough to make them fail. Most existing research focuses on attacking image classifiers or anchor-based object…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Quanyu Liao , Xin Wang , Bin Kong , Siwei Lyu , Youbing Yin , Qi Song , Xi Wu

State-of-the-art adversarial attacks are aimed at neural network classifiers. By default, neural networks use gradient descent to minimize their loss function. The gradient of a classifier's loss function is used by gradient-based…

Machine Learning · Computer Science 2020-02-05 Blerta Lindqvist , Rauf Izmailov

Deep Neural Networks (DNNs) have been widely applied in various recognition tasks. However, recently DNNs have been shown to be vulnerable against adversarial examples, which can mislead DNNs to make arbitrary incorrect predictions. While…

Cryptography and Security · Computer Science 2018-10-15 Chaowei Xiao , Ruizhi Deng , Bo Li , Fisher Yu , Mingyan Liu , Dawn Song

In this paper, we introduce an enhanced textual adversarial attack method, known as Saliency Attention and Semantic Similarity driven adversarial Perturbation (SASSP). The proposed scheme is designed to improve the effectiveness of…

Cryptography and Security · Computer Science 2025-05-22 Hetvi Waghela , Jaydip Sen , Sneha Rakshit

Crafting adversarial examples has become an important technique to evaluate the robustness of deep neural networks (DNNs). However, most existing works focus on attacking the image classification problem since its input space is continuous…

Machine Learning · Computer Science 2020-04-22 Minhao Cheng , Jinfeng Yi , Pin-Yu Chen , Huan Zhang , Cho-Jui Hsieh

Convolutional neural networks have outperformed humans in image recognition tasks, but they remain vulnerable to attacks from adversarial examples. Since these data are crafted by adding imperceptible noise to normal images, their existence…

Computer Vision and Pattern Recognition · Computer Science 2021-06-10 Heng Yin , Hengwei Zhang , Jindong Wang , Ruiyu Dou

We propose a novel genetic-algorithm technique that generates black-box adversarial examples which successfully fool neural network based text classifiers. We perform a genetic search with multi-objective optimization guided by deep…

Artificial Intelligence · Computer Science 2020-11-11 Alex Mathai , Shreya Khare , Srikanth Tamilselvam , Senthil Mani

Many recent studies have shown that deep neural models are vulnerable to adversarial samples: images with imperceptible perturbations, for example, can fool image classifiers. In this paper, we present the first type-specific approach to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Omid Mohamad Nezami , Akshay Chaturvedi , Mark Dras , Utpal Garain

Deep neural networks are known to be vulnerable to adversarial perturbations, which are small and carefully crafted inputs that lead to incorrect predictions. In this paper, we propose DeepDefense, a novel defense framework that applies…

Machine Learning · Computer Science 2025-11-19 Ci Lin , Tet Yeap , Iluju Kiringa , Biwei Zhang

Deep neural networks have been shown to be vulnerable to small perturbations of their inputs, known as adversarial attacks. In this paper, we investigate the vulnerability of Neural Machine Translation (NMT) models to adversarial attacks…

Computation and Language · Computer Science 2023-06-19 Sahar Sadrizadeh , Ljiljana Dolamic , Pascal Frossard

Adversarial examples, which are slightly perturbed inputs generated with the aim of fooling a neural network, are known to transfer between models; adversaries which are effective on one model will often fool another. This concept of…

Machine Learning · Computer Science 2020-05-13 George Adam , Romain Speciel

Deep Neural Networks are known to be vulnerable to small, adversarially crafted, perturbations. The current most effective defense methods against these adversarial attacks are variants of adversarial training. In this paper, we introduce a…

Machine Learning · Computer Science 2021-04-13 Can Bakiskan , Metehan Cekic , Ahmet Dundar Sezer , Upamanyu Madhow

Deep learning models have been shown to be vulnerable to adversarial attacks. In particular, gradient-based attacks have demonstrated high success rates recently. The gradient measures how each image pixel affects the model output, which…

Computer Vision and Pattern Recognition · Computer Science 2022-02-03 Hanbin Hong , Yuan Hong , Yu Kong

Deep neural network-based image classifications are vulnerable to adversarial perturbations. The image classifications can be easily fooled by adding artificial small and imperceptible perturbations to input images. As one of the most…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Jindong Gu , Hengshuang Zhao , Volker Tresp , Philip Torr

Adversarial attacks pose a severe security threat to the state-of-the-art speaker identification systems, thereby making it vital to propose countermeasures against them. Building on our previous work that used representation learning to…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-11 Sonal Joshi , Saurabh Kataria , Jesus Villalba , Najim Dehak

Word-level adversarial attacks have shown success in NLP models, drastically decreasing the performance of transformer-based models in recent years. As a countermeasure, adversarial defense has been explored, but relatively few efforts have…

Computation and Language · Computer Science 2022-03-04 KiYoon Yoo , Jangho Kim , Jiho Jang , Nojun Kwak

Conventional adversarial defenses reduce classification accuracy whether or not a model is under attacks. Moreover, most of image processing based defenses are defeated due to the problem of obfuscated gradients. In this paper, we propose a…

Machine Learning · Computer Science 2020-05-19 MaungMaung AprilPyone , Hitoshi Kiya
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