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Recent advancements in masked image modeling (MIM) have made it a prevailing framework for self-supervised visual representation learning. The MIM pretrained models, like most deep neural network methods, remain vulnerable to adversarial…

计算机视觉与模式识别 · 计算机科学 2023-11-10 Zunzhi You , Daochang Liu , Bohyung Han , Chang Xu

With wider application of deep neural networks (DNNs) in various algorithms and frameworks, security threats have become one of the concerns. Adversarial attacks disturb DNN-based image classifiers, in which attackers can intentionally add…

计算机视觉与模式识别 · 计算机科学 2022-06-30 Jinyi Wang , Zhaoyang Lyu , Dahua Lin , Bo Dai , Hongfei Fu

Neural networks have achieved remarkable performance across a wide range of tasks, yet they remain susceptible to adversarial perturbations, which pose significant risks in safety-critical applications. With the rise of multimodality,…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Xinxin Liu , Zhongliang Guo , Siyuan Huang , Chun Pong Lau

Adversarial purification is one of the promising approaches to defend neural networks against adversarial attacks. Recently, methods utilizing diffusion probabilistic models have achieved great success for adversarial purification in image…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Mingkun Zhang , Jianing Li , Wei Chen , Jiafeng Guo , Xueqi Cheng

Deep neural networks demonstrate impressive performance in visual recognition, but they remain vulnerable to adversarial attacks that is imperceptible to the human. Although existing defense strategies such as adversarial training and…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Zhe Li , Bernhard Kainz

As vision-based machine learning models are increasingly integrated into autonomous and cyber-physical systems, concerns about (physical) adversarial patch attacks are growing. While state-of-the-art defenses can achieve certified…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Hossein Khalili , Seongbin Park , Venkat Bollapragada , Nader Sehatbakhsh

Deep neural networks are proven to be vulnerable to fine-designed adversarial examples, and adversarial defense algorithms draw more and more attention nowadays. Pre-processing based defense is a major strategy, as well as learning robust…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Decheng Liu , Tao Chen , Chunlei Peng , Nannan Wang , Ruimin Hu , Xinbo Gao

The global deployment of the phasor measurement units (PMUs) enables real-time monitoring of the power system, which has stimulated considerable research into machine learning-based models for event detection and classification. However,…

系统与控制 · 电气工程与系统科学 2023-11-14 Yuanbin Cheng , Koji Yamashita , Jim Follum , Nanpeng Yu

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

Existing diffusion-based purification methods aim to disrupt adversarial perturbations by introducing a certain amount of noise through a forward diffusion process, followed by a reverse process to recover clean examples. However, this…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Gaozheng Pei , Shaojie Lyu , Gong Chen , Ke Ma , Qianqian Xu , Yingfei Sun , Qingming Huang

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

Adversarial purification using generative models demonstrates strong adversarial defense performance. These methods are classifier and attack-agnostic, making them versatile but often computationally intensive. Recent strides in diffusion…

机器学习 · 计算机科学 2026-04-10 Himanshu Singh , A V Subramanyam

Diffusion models that are based on iterative denoising have been recently proposed and leveraged in various generation tasks like image generation. Whereas, as a way inherently built for continuous data, existing diffusion models still have…

计算与语言 · 计算机科学 2023-04-11 Jiaao Chen , Aston Zhang , Mu Li , Alex Smola , Diyi Yang

Deep neural networks are known to be vulnerable to well-designed adversarial attacks. Although numerous defense strategies have been proposed, many are tailored to the specific attacks or tasks and often fail to generalize across diverse…

机器学习 · 计算机科学 2025-02-26 Guang Lin , Duc Thien Nguyen , Zerui Tao , Konstantinos Slavakis , Toshihisa Tanaka , Qibin Zhao

Autonomous mobile systems increasingly rely on deep neural networks for perception and decision-making. While effective, these systems are vulnerable to adversarial machine learning attacks where minor input perturbations can significantly…

密码学与安全 · 计算机科学 2024-09-04 Hossein Khalili , Seongbin Park , Vincent Li , Brandan Bright , Ali Payani , Ramana Rao Kompella , Nader Sehatbakhsh

Recent work indicates that video recognition models are vulnerable to adversarial examples, posing a serious security risk to downstream applications. However, current research has primarily focused on adversarial attacks, with limited work…

计算机视觉与模式识别 · 计算机科学 2025-01-28 Kaixun Jiang , Zhaoyu Chen , Jiyuan Fu , Lingyi Hong , Jinglun Li , Wenqiang Zhang

Convolutional Neural Networks have achieved significant success across multiple computer vision tasks. However, they are vulnerable to carefully crafted, human-imperceptible adversarial noise patterns which constrain their deployment in…

计算机视觉与模式识别 · 计算机科学 2020-01-08 Aamir Mustafa , Salman H. Khan , Munawar Hayat , Jianbing Shen , Ling Shao

Adversarial attacks hamper the functionality and accuracy of Deep Neural Networks (DNNs) by meddling with subtle perturbations to their inputs.In this work, we propose a new Mask-based Adversarial Defense scheme (MAD) for DNNs to mitigate…

机器学习 · 计算机科学 2022-04-27 Weizhen Xu , Chenyi Zhang , Fangzhen Zhao , Liangda Fang

Robustness of huge Transformer-based models for natural language processing is an important issue due to their capabilities and wide adoption. One way to understand and improve robustness of these models is an exploration of an adversarial…

While foundation models demonstrate impressive performance across various tasks, they remain vulnerable to adversarial inputs. Current research explores various approaches to enhance model robustness, with Diffusion Denoised Smoothing…

机器学习 · 计算机科学 2025-05-22 Yury Belousov , Brian Pulfer , Vitaliy Kinakh , Slava Voloshynovskiy