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Deep neural networks can be vulnerable to adversarially crafted examples, presenting significant risks to practical applications. A prevalent approach for adversarial attacks relies on the transferability of adversarial examples, which are…

Information Retrieval · Computer Science 2024-11-12 Shanjun Xu , Linghui Li , Kaiguo Yuan , Bingyu Li

Vulnerability of various machine learning methods to adversarial examples has been recently explored in the literature. Power systems which use these vulnerable methods face a huge threat against adversarial examples. To this end, we first…

Cryptography and Security · Computer Science 2022-02-16 Jiwei Tian , Buhong Wang , Jing Li , Zhen Wang , Mete Ozay

Existing black-box attacks have demonstrated promising potential in creating adversarial examples (AE) to deceive deep learning models. Most of these attacks need to handle a vast optimization space and require a large number of queries,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Renyang Liu , Wei Zhou , Tianwei Zhang , Kangjie Chen , Jun Zhao , Kwok-Yan Lam

Methods based on implicit neural representation have demonstrated remarkable capabilities in arbitrary-scale super-resolution (ASSR) tasks, but they neglect the potential value of the frequency domain, leading to sub-optimal performance. We…

Machine Learning · Computer Science 2025-04-29 Xufei Wang , Fei Ge , Jinchen Zhu , Mingjian Zhang , Qi Wu , Jifeng Ren Shizhuang Weng

Deep learning has made significant breakthroughs in many fields, including electroencephalogram (EEG) based brain-computer interfaces (BCIs). However, deep learning models are vulnerable to adversarial attacks, in which deliberately…

Machine Learning · Computer Science 2019-11-12 Xue Jiang , Xiao Zhang , Dongrui Wu

Although deep-learning based video recognition models have achieved remarkable success, they are vulnerable to adversarial examples that are generated by adding human-imperceptible perturbations on clean video samples. As indicated in…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Zhipeng Wei , Jingjing Chen , Zuxuan Wu , Yu-Gang Jiang

In recent years, a significant amount of research efforts concentrated on adversarial attacks on images, while adversarial video attacks have seldom been explored. We propose an adversarial attack strategy on videos, called DeepSAVA. Our…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Ronghui Mu , Wenjie Ruan , Leandro Soriano Marcolino , Qiang Ni

When the parameters of Bayesian Short-time Spectral Amplitude (STSA) estimator for speech enhancement are selected based on the characteristics of the human auditory system, the gain function of the estimator becomes more flexible. Although…

Sound · Computer Science 2025-12-18 Suman Samui

In this paper, we propose a new frequency-switching array (FSA) to enhance the physical-layer security (PLS) in the presence of multiple eavesdroppers (Eves), where the carrier frequency can be flexibly switched and small frequency offsets…

Signal Processing · Electrical Eng. & Systems 2026-01-01 Cong Zhou , Changsheng You , Chao Zhou , Weidong Mei , Zhi Chen , Chengwen Xing , Rui Zhang

Black-box adversarial attacks have demonstrated strong potential to compromise machine learning models by iteratively querying the target model or leveraging transferability from a local surrogate model. Recently, such attacks can be…

Machine Learning · Computer Science 2024-09-09 Hanbin Hong , Xinyu Zhang , Binghui Wang , Zhongjie Ba , Yuan Hong

A prevailing belief in attack and defense community is that the higher flatness of adversarial examples enables their better cross-model transferability, leading to a growing interest in employing sharpness-aware minimization and its…

Machine Learning · Computer Science 2024-10-10 Mingyuan Fan , Xiaodan Li , Cen Chen , Wenmeng Zhou , Yaliang Li

Deep neural networks are vulnerable to adversarial examples -- minor perturbations added to a model's input which cause the model to output an incorrect prediction. We introduce a new method for improving the efficacy of adversarial attacks…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Chris Miller , Soroush Vosoughi

Given the great threat of adversarial attacks against Deep Neural Networks (DNNs), numerous works have been proposed to boost transferability to attack real-world applications. However, existing attacks often utilize advanced gradient…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Zhiyuan Wang , Zeliang Zhang , Siyuan Liang , Xiaosen Wang

The frequency-domain approach (FDA) to transient analysis of the boundary element method, although is appealing for engineering applications, is computationally expensive. This paper proposes a novel adaptive frequency sampling (AFS)…

Numerical Analysis · Mathematics 2016-02-09 Jinyou Xiao , Junjie Rong , Wenjing Ye , Chuanzeng Zhang

Due to the gap between a substitute model and a victim model, the gradient-based noise generated from a substitute model may have low transferability for a victim model since their gradients are different. Inspired by the fact that the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Boheng Zeng , LianLi Gao , QiLong Zhang , ChaoQun Li , JingKuan Song , ShuaiQi Jing

The growing use of large pre-trained models in edge computing has made model inference on mobile clients both feasible and popular. Yet these devices remain vulnerable to adversarial attacks, threatening model robustness and security.…

Cryptography and Security · Computer Science 2026-02-17 Tianyu Qi , Lei Xue , Yufeng Zhan , Xiaobo Ma

Black-box adversarial attack has attracted a lot of research interests for its practical use in AI safety. Compared with the white-box attack, a black-box setting is more difficult for less available information related to the attacked…

Machine Learning · Computer Science 2020-09-02 Linjun Zhou , Peng Cui , Yinan Jiang , Shiqiang Yang

Face anti-spoofing aims to discriminate the spoofing face images (e.g., printed photos) from live ones. However, adversarial examples greatly challenge its credibility, where adding some perturbation noise can easily change the predictions.…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Songlin Yang , Wei Wang , Chenye Xu , Ziwen He , Bo Peng , Jing Dong

Recent advancements in diffusion models have enabled high-fidelity and photorealistic image generation across diverse applications. However, these models also present security and privacy risks, including copyright violations, sensitive…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Jiacheng Shi , Yanfu Zhang , Huajie Shao , Ashley Gao

As generative image editing advances, image manipulation localization (IML) must handle both traditional manipulations with conspicuous forensic artifacts and diffusion-generated edits that appear locally realistic. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Xiaojie Liang , Zhimin Chen , Ziqi Sheng , Wei Lu