English
Related papers

Related papers: Fast Gradient Non-sign Methods

200 papers

Recent studies have revealed the vulnerability of graph neural networks (GNNs) to adversarial poisoning attacks on node classification tasks. Current defensive methods require substituting the original GNNs with defense models, regardless…

Machine Learning · Computer Science 2025-02-14 Ao Liu , Wenshan Li , Beibei Li , Wengang Ma , Tao Li , Pan Zhou

Graph neural networks (GNNs) have achieved state-of-the-art performance in many graph-based tasks such as node classification and graph classification. However, many recent works have demonstrated that an attacker can mislead GNN models by…

Machine Learning · Computer Science 2022-05-10 Binghui Wang , Youqi Li , Pan Zhou

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

Deep neural networks (DNN), despite their remarkable performance, are highly vulnerable to backdoor attacks. Existing defenses mainly rely on activation anomaly analysis or trigger reverse engineering and often require clean samples or…

Cryptography and Security · Computer Science 2026-05-20 Yinbo Yu , Jing Fang , Xuewen Zhang , Chunwei Tian , Qi Zhu , Daoqiang Zhang , Jiajia Liu

Recent studies show that well-devised perturbations on graph structures or node features can mislead trained Graph Neural Network (GNN) models. However, these methods often overlook practical assumptions, over-rely on heuristics, or…

Machine Learning · Computer Science 2024-08-21 Xiaodong Yang , Xiaoting Li , Huiyuan Chen , Yiwei Cai

Most of the data manipulation attacks on deep neural networks (DNNs) during the training stage introduce a perceptible noise that can be catered by preprocessing during inference or can be identified during the validation phase. Therefore,…

Machine Learning · Computer Science 2020-05-15 Faiq Khalid , Muhammad Abdullah Hanif , Semeen Rehman , Rehan Ahmed , Muhammad Shafique

Deep neural networks are vulnerable to adversarial examples that mislead the models with imperceptible perturbations. Though adversarial attacks have achieved incredible success rates in the white-box setting, most existing adversaries…

Artificial Intelligence · Computer Science 2021-08-16 Xiaosen Wang , Kun He

Compact binary systems emit gravitational radiation which is potentially detectable by current Earth bound detectors. Extracting these signals from the instruments' background noise is a complex problem and the computational cost of most…

Instrumentation and Methods for Astrophysics · Physics 2022-02-11 Marlin B. Schäfer , Ondřej Zelenka , Alexander H. Nitz , Frank Ohme , Bernd Brügmann

In this paper, the bias classifier is introduced, that is, the bias part of a DNN with Relu as the activation function is used as a classifier. The work is motivated by the fact that the bias part is a piecewise constant function with zero…

Machine Learning · Computer Science 2022-02-15 Lijia Yu , Xiao-Shan Gao

Training neural networks on large datasets can be accelerated by distributing the workload over a network of machines. As datasets grow ever larger, networks of hundreds or thousands of machines become economically viable. The time cost of…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-02-26 Jeremy Bernstein , Jiawei Zhao , Kamyar Azizzadenesheli , Anima Anandkumar

Deep Neural Networks (DNNs) are well-known to be vulnerable to Adversarial Examples (AEs). A large amount of efforts have been spent to launch and heat the arms race between the attackers and defenders. Recently, advanced gradient-based…

Cryptography and Security · Computer Science 2020-05-29 Han Qiu , Yi Zeng , Qinkai Zheng , Tianwei Zhang , Meikang Qiu , Gerard Memmi

An ever-growing body of work has demonstrated the rich information content available in eye movements for user modelling, e.g. for predicting users' activities, cognitive processes, or even personality traits. We show that state-of-the-art…

Cryptography and Security · Computer Science 2020-06-02 Inken Hagestedt , Michael Backes , Andreas Bulling

Traditional deep learning networks (DNN) exhibit intriguing vulnerabilities that allow an attacker to force them to fail at their task. Notorious attacks such as the Fast Gradient Sign Method (FGSM) and the more powerful Projected Gradient…

Machine Learning · Computer Science 2022-02-16 Jasser Jasser , Ivan Garibay

Backdoor attacks pose severe security threats to deep neural networks by embedding malicious triggers that force misclassification. While machine unlearning techniques can remove backdoor behaviors, current methods lack transparency and…

Cryptography and Security · Computer Science 2025-11-27 Tien Dat Hoang

Deep neural networks (DNNs) underpin critical applications yet remain vulnerable to backdoor attacks, typically reliant on heuristic brute-force methods. Despite significant empirical advancements in backdoor research, the lack of rigorous…

Machine Learning · Computer Science 2025-12-18 Zhou Feng , Jiahao Chen , Chunyi Zhou , Yuwen Pu , Tianyu Du , Jinbao Li , Jianhai Chen , Shouling Ji

Backdoor attacks on deep neural networks have emerged as significant security threats, especially as DNNs are increasingly deployed in security-critical applications. However, most existing works assume that the attacker has access to the…

Cryptography and Security · Computer Science 2024-08-22 Jiahao Wang , Xianglong Zhang , Xiuzhen Cheng , Pengfei Hu , Guoming Zhang

Second-order optimization techniques have the potential to achieve faster convergence rates compared to first-order methods through the incorporation of second-order derivatives or statistics. However, their utilization in deep learning is…

Machine Learning · Computer Science 2024-04-30 Xinwei Ou , Ce Zhu , Xiaolin Huang , Yipeng Liu

The adversarial attack methods based on gradient information can adequately find the perturbations, that is, the combinations of rewired links, thereby reducing the effectiveness of the deep learning model based graph embedding algorithms,…

Social and Information Networks · Computer Science 2020-12-22 Jinyin Chen , Yixian Chen , Haibin Zheng , Shijing Shen , Shanqing Yu , Dan Zhang , Qi Xuan

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

Gradient descent (GD) methods for the training of artificial neural networks (ANNs) belong nowadays to the most heavily employed computational schemes in the digital world. Despite the compelling success of such methods, it remains an open…

Optimization and Control · Mathematics 2025-09-01 Shokhrukh Ibragimov , Arnulf Jentzen , Adrian Riekert