中文
相关论文

相关论文: FlowPure: Continuous Normalizing Flows for Adversa…

200 篇论文

We propose a novel deterministic purification method to improve adversarial robustness by mapping a potentially adversarial sample toward a nearby sample that lies close to a mode of the data distribution, where classifiers are more…

机器学习 · 计算机科学 2026-02-09 Vinh Hoang , Sebastian Krumscheid , Holger Rauhut , Raúl Tempone

Deep neural networks (DNNs) are vulnerable to adversarial samples crafted by adding imperceptible perturbations to clean data, potentially leading to incorrect and dangerous predictions. Adversarial purification has been an effective means…

机器学习 · 计算机科学 2024-12-12 Shuhai Zhang , Jiahao Yang , Hui Luo , Jie Chen , Li Wang , Feng Liu , Bo Han , Mingkui Tan

Deep neural network classifiers suffer from adversarial vulnerability: well-crafted, unnoticeable changes to the input data can affect the classifier decision. In this regard, the study of powerful adversarial attacks can help shed light on…

机器学习 · 计算机科学 2020-07-07 Hadi M. Dolatabadi , Sarah Erfani , Christopher Leckie

Adversarial training and adversarial purification are two widely used defense strategies for enhancing model robustness against adversarial attacks. However, adversarial training requires costly retraining, while adversarial purification…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Xuelong Dai , Dong Wang , Xiuzhen Cheng , Bin Xiao

Fair representation learning is an attractive approach that promises fairness of downstream predictors by encoding sensitive data. Unfortunately, recent work has shown that strong adversarial predictors can still exhibit unfairness by…

机器学习 · 计算机科学 2022-03-21 Mislav Balunović , Anian Ruoss , Martin Vechev

Neural networks have revolutionized numerous fields with their exceptional performance, yet they remain susceptible to adversarial attacks through subtle perturbations. While diffusion-based purification methods like DiffPure offer…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Chun Tong Lei , Hon Ming Yam , Zhongliang Guo , Yifei Qian , Chun Pong Lau

The diffusion-based adversarial purification methods attempt to drown adversarial perturbations into a part of isotropic noise through the forward process, and then recover the clean images through the reverse process. Due to the lack of…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Gaozheng Pei , Ke Ma , Yingfei Sun , Qianqian Xu , Qingming Huang

Face authentication systems have brought significant convenience and advanced developments, yet they have become unreliable due to their sensitivity to inconspicuous perturbations, such as adversarial attacks. Existing defenses often…

密码学与安全 · 计算机科学 2024-10-30 Hanrui Wang , Ruoxi Sun , Cunjian Chen , Minhui Xue , Lay-Ki Soon , Shuo Wang , Zhe Jin

Adversarial evasion attacks pose significant threats to graph learning, with lines of studies that have improved the robustness of Graph Neural Networks (GNNs). However, existing works rely on priors about clean graphs or attacking…

机器学习 · 计算机科学 2025-02-10 Jiayi Luo , Qingyun Sun , Haonan Yuan , Xingcheng Fu , Jianxin Li

We propose a novel and effective purification based adversarial defense method against pre-processor blind white- and black-box attacks. Our method is computationally efficient and trained only with self-supervised learning on general…

计算机视觉与模式识别 · 计算机科学 2022-01-03 Sungmin Cha , Naeun Ko , Youngjoon Yoo , Taesup Moon

Extensive studies have demonstrated that deep neural networks (DNNs) are vulnerable to adversarial attacks. Despite the significant progress in the attack success rate that has been made recently, the adversarial noise generated by most of…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Renyang Liu , Jinhong Zhang , Haoran Li , Jin Zhang , Yuanyu Wang , Wei Zhou

Adversarial purification has achieved great success in combating adversarial image perturbations, which are usually assumed to be additive. However, non-additive adversarial perturbations such as blur, occlusion, and distortion are also…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Junjie Nan , Jianing Li , Wei Chen , Mingkun Zhang , Xueqi Cheng

Neural models enjoy widespread use across a variety of tasks and have grown to become crucial components of many industrial systems. Despite their effectiveness and extensive popularity, they are not without their exploitable flaws.…

声音 · 计算机科学 2019-02-26 Krishan Rajaratnam , Jugal Kalita

Adversarial purification is a kind of defense technique that can defend against various unseen adversarial attacks without modifying the victim classifier. Existing methods often depend on external generative models or cooperation between…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Erhu Liu , Zonglin Yang , Bo Liu , Bin Xiao , Xiuli Bi

Deep learning models are vulnerable to adversarial examples and make incomprehensible mistakes, which puts a threat on their real-world deployment. Combined with the idea of adversarial training, preprocessing-based defenses are popular and…

计算机视觉与模式识别 · 计算机科学 2021-10-18 Tao Bai , Jun Zhao , Lanqing Guo , Bihan Wen

Deep neural networks (DNNs) are vulnerable to adversarial perturbation, where an imperceptible perturbation is added to the image that can fool the DNNs. Diffusion-based adversarial purification focuses on using the diffusion model to…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Kaiyu Song , Hanjiang Lai

Vision Language Models (VLMs) have shown remarkable capabilities in multimodal understanding, yet their susceptibility to perturbations poses a significant threat to their reliability in real-world applications. Despite often being…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Jia Fu , Yongtao Wu , Yihang Chen , Kunyu Peng , Xiao Zhang , Volkan Cevher , Sepideh Pashami , Anders Holst

Normalizing Flows (NFs) are a class of generative models distinguished by a mathematically invertible architecture, where the forward pass transforms data into a latent space for density estimation, and the reverse pass generates new…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Yang Chen , Xiaowei Xu , Shuai Wang , Chenhui Zhu , Ruxue Wen , Xubin Li , Tiezheng Ge , Limin Wang

Diffusion models like Stable Diffusion have become prominent in visual synthesis tasks due to their powerful customization capabilities, which also introduce significant security risks, including deepfakes and copyright infringement. In…

计算机视觉与模式识别 · 计算机科学 2025-09-22 Wenkui Yang , Jie Cao , Junxian Duan , Ran He

Pretrained language models have significantly advanced performance across various natural language processing tasks. However, adversarial attacks continue to pose a critical challenge to systems built using these models, as they can be…

计算与语言 · 计算机科学 2025-05-20 Zhenhao Li , Huichi Zhou , Marek Rei , Lucia Specia