中文
相关论文

相关论文: Improving Adversarial Robustness for 3D Point Clou…

200 篇论文

Adversarial attack methods for 3D point cloud classification reveal the vulnerabilities of point cloud recognition models. This vulnerability could lead to safety risks in critical applications that use deep learning models, such as…

密码学与安全 · 计算机科学 2025-07-30 Ruiyang Zhao , Bingbing Zhu , Chuxuan Tong , Xiaoyi Zhou , Xi Zheng

The strategy of combining diffusion-based generative models with classifiers continues to demonstrate state-of-the-art performance on adversarial robustness benchmarks. Known as adversarial purification, this exploits a diffusion model's…

密码学与安全 · 计算机科学 2026-01-06 David D. Nguyen , The-Anh Ta , Yansong Gao , Alsharif Abuadbba

The escalating sophistication of cyberattacks has encouraged the integration of machine learning techniques in intrusion detection systems, but the rise of adversarial examples presents a significant challenge. These crafted perturbations…

密码学与安全 · 计算机科学 2024-06-26 Mohamed Amine Merzouk , Erwan Beurier , Reda Yaich , Nora Boulahia-Cuppens , Frédéric Cuppens

Notwithstanding the prominent performance achieved in various applications, point cloud recognition models have often suffered from natural corruptions and adversarial perturbations. In this paper, we delve into boosting the general…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Qidong Huang , Xiaoyi Dong , Dongdong Chen , Hang Zhou , Weiming Zhang , Kui Zhang , Gang Hua , Nenghai Yu

Adversarial training is an effective method to boost model robustness to malicious, adversarial attacks. However, such improvement in model robustness often leads to a significant sacrifice of standard performance on clean images. In many…

机器学习 · 计算机科学 2022-04-29 Pengyue Hou , Ming Zhou , Jie Han , Petr Musilek , Xingyu Li

3D object classification and segmentation using deep neural networks has been extremely successful. As the problem of identifying 3D objects has many safety-critical applications, the neural networks have to be robust against adversarial…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Daniel Liu , Ronald Yu , Hao Su

Point cloud data now are popular data representations in a number of three-dimensional (3D) vision research realms. However, due to the limited performance of sensors and sensing noise, the raw data usually suffer from sparsity, noise, and…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Siwen Quan , Junhao Yu , Ziming Nie , Muze Wang , Sijia Feng , Pei An , Jiaqi Yang

Deep learning models are known to be vulnerable to adversarial attacks by injecting sophisticated designed perturbations to input data. Training-time defenses still exhibit a significant performance gap between natural accuracy and robust…

机器学习 · 计算机科学 2025-05-20 Cheng-Han Yeh , Kuanchun Yu , Chun-Shien Lu

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

The advent of deep neural networks has led to remarkable progress in 3D point cloud recognition, but they remain vulnerable to adversarial attacks. Although various defense methods have been studied, they suffer from a trade-off between…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Geunyoung Jung , Soohong Kim , Inseok Kong , Jiyoung Jung

Deep neural networks are found to be prone to adversarial examples which could deliberately fool the model to make mistakes. Recently, a few of works expand this task from 2D image to 3D point cloud by using global point cloud optimization.…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Yiming Sun , Feng Chen , Zhiyu Chen , Mingjie Wang

Deep neural networks are known to be vulnerable to adversarial examples which are carefully crafted instances to cause the models to make wrong predictions. While adversarial examples for 2D images and CNNs have been extensively studied,…

密码学与安全 · 计算机科学 2019-07-15 Chong Xiang , Charles R. Qi , Bo Li

Gradient-based adversarial attacks are widely used to evaluate the robustness of 3D point cloud classifiers, yet they often rely on uniform update rules that neglect point-wise heterogeneity, leading to perceptible perturbations. We propose…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Jun Chen , Xinke Li , Mingyue Xu , Chongshou Li , Truiani Li

Despite remarkable achievements in deep learning across various domains, its inherent vulnerability to adversarial examples still remains a critical concern for practical deployment. Adversarial training has emerged as one of the most…

机器学习 · 计算机科学 2024-11-06 Junhao Dong , Xinghua Qu , Z. Jane Wang , Yew-Soon Ong

Adversarial purification refers to a class of defense methods that remove adversarial perturbations using a generative model. These methods do not make assumptions on the form of attack and the classification model, and thus can defend…

机器学习 · 计算机科学 2022-05-17 Weili Nie , Brandon Guo , Yujia Huang , Chaowei Xiao , Arash Vahdat , Anima Anandkumar

3D point clouds play pivotal roles in various safety-critical applications, such as autonomous driving, which desires the underlying deep neural networks to be robust to adversarial perturbations. Though a few defenses against adversarial…

机器学习 · 计算机科学 2021-04-08 Jiachen Sun , Karl Koenig , Yulong Cao , Qi Alfred Chen , Z. Morley Mao

Adversarial purification is a successful defense mechanism against adversarial attacks without requiring knowledge of the form of the incoming attack. Generally, adversarial purification aims to remove the adversarial perturbations…

计算与语言 · 计算机科学 2023-05-04 Linyang Li , Demin Song , Xipeng Qiu

LiDAR-based segmentation is essential for reliable perception in autonomous vehicles, yet modern segmentation networks are highly susceptible to adversarial attacks that can compromise safety. Most existing defenses are designed for…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Alexandros Gkillas , Ioulia Kapsali , Nikos Piperigkos , Aris S. Lalos

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

Current neural-network-based classifiers are susceptible to adversarial examples. The most empirically successful approach to defending against such adversarial examples is adversarial training, which incorporates a strong self-attack…

机器学习 · 计算机科学 2020-06-08 Bai Li , Shiqi Wang , Suman Jana , Lawrence Carin