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Related papers: Stochastic sparse adversarial attacks

200 papers

Automatic Speech Recognition services (ASRs) inherit deep neural networks' vulnerabilities like crafted adversarial examples. Existing methods often suffer from low efficiency because the target phases are added to the entire audio sample,…

Sound · Computer Science 2022-02-14 Yuantian Miao , Chao Chen , Lei Pan , Jun Zhang , Yang Xiang

Video classification systems based on Deep Neural Networks (DNNs) have demonstrated excellent performance in accurately verifying video content. However, recent studies have shown that DNNs are highly vulnerable to adversarial examples.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Duoxun Tang , Yuxin Cao , Xi Xiao , Derui Wang , Sheng Wen , Tianqing Zhu

Sparse and patch adversarial attacks were previously shown to be applicable in realistic settings and are considered a security risk to autonomous systems. Sparse adversarial perturbations constitute a setting in which the adversarial…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Yaniv Nemcovsky , Avi Mendelson , Chaim Baskin

It is by now well-known that small adversarial perturbations can induce classification errors in deep neural networks (DNNs). In this paper, we make the case that sparse representations of the input data are a crucial tool for combating…

Machine Learning · Statistics 2018-07-16 Soorya Gopalakrishnan , Zhinus Marzi , Upamanyu Madhow , Ramtin Pedarsani

As the study of graph neural networks becomes more intensive and comprehensive, their robustness and security have received great research interest. The existing global attack methods treat all nodes in the graph as their attack targets.…

Machine Learning · Computer Science 2024-12-03 Guanghui Zhu , Mengyu Chen , Chunfeng Yuan , Yihua Huang

In the past two decades we have seen the popularity of neural networks increase in conjunction with their classification accuracy. Parallel to this, we have also witnessed how fragile the very same prediction models are: tiny perturbations…

Machine Learning · Computer Science 2022-01-25 Mark Beliaev , Payam Delgosha , Hamed Hassani , Ramtin Pedarsani

Active learning aims to develop label-efficient algorithms by sampling the most representative queries to be labeled by an oracle. We describe a pool-based semi-supervised active learning algorithm that implicitly learns this sampling…

Machine Learning · Computer Science 2019-10-30 Samarth Sinha , Sayna Ebrahimi , Trevor Darrell

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…

Computer Vision and Pattern Recognition · Computer Science 2021-07-21 Shaohao Lu , Yuqiao Xian , Ke Yan , Yi Hu , Xing Sun , Xiaowei Guo , Feiyue Huang , Wei-Shi Zheng

In recent years, adversarial attacks have drawn more attention for their value on evaluating and improving the robustness of machine learning models, especially, neural network models. However, previous attack methods have mainly focused on…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Ruijun Gao , Qing Guo , Felix Juefei-Xu , Hongkai Yu , Wei Feng

When generating adversarial examples to attack deep neural networks (DNNs), Lp norm of the added perturbation is usually used to measure the similarity between original image and adversarial example. However, such adversarial attacks…

Machine Learning · Computer Science 2019-02-21 Kaidi Xu , Sijia Liu , Pu Zhao , Pin-Yu Chen , Huan Zhang , Quanfu Fan , Deniz Erdogmus , Yanzhi Wang , Xue Lin

Deep neural networks have demonstrated impressive success in No-Reference Image Quality Assessment (NR-IQA). However, recent researches highlight the vulnerability of NR-IQA models to subtle adversarial perturbations, leading to…

Image and Video Processing · Electrical Eng. & Systems 2024-04-25 Chenxi Yang , Yujia Liu , Dingquan Li , Yan Zhong , Tingting Jiang

Long-context modeling is crucial for next-generation language models, yet the high computational cost of standard attention mechanisms poses significant computational challenges. Sparse attention offers a promising direction for improving…

Graph neural networks (GNNs) have achieved high performance in analyzing graph-structured data and have been widely deployed in safety-critical areas, such as finance and autonomous driving. However, only a few works have explored GNNs'…

Machine Learning · Computer Science 2020-09-23 Boyuan Feng , Yuke Wang , Xu Li , Yufei Ding

We present an analysis of the Locally Competitive Algorithm (LCA), a Hopfield-style neural network that efficiently solves sparse approximation problems (e.g., approximating a vector from a dictionary using just a few non-zero…

Dynamical Systems · Mathematics 2015-03-19 Aurèle Balavoine , Justin Romberg , Christopher J. Rozell

With the excellent accuracy and feasibility, the Neural Networks have been widely applied into the novel intelligent applications and systems. However, with the appearance of the Adversarial Attack, the NN based system performance becomes…

Computer Vision and Pattern Recognition · Computer Science 2018-06-14 Fuxun Yu , Qide Dong , Xiang Chen

Limited by fixed step-size and sparsity penalty factor, the conventional sparsity-aware normalized subband adaptive filtering (NSAF) type algorithms suffer from trade-off requirements of high filtering accurateness and quicker convergence…

Systems and Control · Electrical Eng. & Systems 2024-10-28 Dongxu Liu , Haiquan Zhao , Yang Zhou

In this paper, we study the problem of sparse mean estimation under adversarial corruptions, where the goal is to estimate the $k$-sparse mean of a heavy-tailed distribution from samples contaminated by adversarial noise. Existing methods…

Machine Learning · Computer Science 2025-08-26 Jianhao Ma , Rui Ray Chen , Yinghui He , Salar Fattahi , Wei Hu

We propose a new approach to Generative Adversarial Networks (GANs) to achieve an improved performance with additional robustness to its so-called and well recognized mode collapse. We first proceed by mapping the desired data onto a…

Computer Vision and Pattern Recognition · Computer Science 2019-08-26 Shahin Mahdizadehaghdam , Ashkan Panahi , Hamid Krim

Sparse stealth attack constructions that minimize the mutual information between the state variables and the observations are proposed. The attack construction is formulated as the design of a multivariate Gaussian distribution that aims to…

Systems and Control · Electrical Eng. & Systems 2022-07-26 Xiuzhen Ye , Iñaki Esnaola , Samir M. Perlaza , Robert F. Harrison

Deep Neural Networks have achieved extraordinary results on image classification tasks, but have been shown to be vulnerable to attacks with carefully crafted perturbations of the input data. Although most attacks usually change values of…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 Apostolos Modas , Seyed-Mohsen Moosavi-Dezfooli , Pascal Frossard