English
Related papers

Related papers: Toward Availability Attacks in 3D Point Clouds

200 papers

3D point cloud is an important 3D representation for capturing real world 3D objects. However, real-scanned 3D point clouds are often incomplete, and it is important to recover complete point clouds for downstream applications. Most…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Zhaoyang Lyu , Zhifeng Kong , Xudong Xu , Liang Pan , Dahua Lin

Deep learning models for point clouds have shown to be vulnerable to adversarial attacks, which have received increasing attention in various safety-critical applications such as autonomous driving, robotics, and surveillance. Existing 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Shiyu Hu , Daizong Liu , Wei Hu

In recent years, Deep Learning(DL) techniques have been extensively deployed for computer vision tasks, particularly visual classification problems, where new algorithms reported to achieve or even surpass the human performance. While many…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Dou Goodman

Without direct access to the client's data, federated learning (FL) is well-known for its unique strength in data privacy protection among existing distributed machine learning techniques. However, its distributive and iterative nature…

Machine Learning · Computer Science 2026-04-14 Hanxi Guo , Hao Wang , Tao Song , Tianhang Zheng , Yang Hua , Haibing Guan , Xiangyu Zhang

Classification of 3D point clouds is a challenging machine learning (ML) task with important real-world applications in a spectrum from autonomous driving and robot-assisted surgery to earth observation from low orbit. As with other ML…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Hanwei Zhang , Luo Cheng , Qisong He , Wei Huang , Renjue Li , Ronan Sicre , Xiaowei Huang , Holger Hermanns , Lijun Zhang

Deep 3D point cloud models are sensitive to adversarial attacks, which poses threats to safety-critical applications such as autonomous driving. Robust training and defend-by-denoising are typical strategies for defending adversarial…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Kui Zhang , Hang Zhou , Jie Zhang , Qidong Huang , Weiming Zhang , Nenghai Yu

Federated learning (FL) enables learning a global machine learning model from local data distributed among a set of participating workers. This makes it possible i) to train more accurate models due to learning from rich joint training…

Machine Learning · Computer Science 2025-11-25 Najeeb Jebreel , Josep Domingo-Ferrer

As 3D point cloud analysis has received increasing attention, the insufficient scale of point cloud datasets and the weak generalization ability of networks become prominent. In this paper, we propose a simple and effective augmentation…

Computer Vision and Pattern Recognition · Computer Science 2021-02-08 Jinlai Zhang , Lyujie Chen , Bo Ouyang , Binbin Liu , Jihong Zhu , Yujing Chen , Yanmei Meng , Danfeng Wu

Deep neural networks have recently achieved notable progress in 3D point cloud recognition, yet their vulnerability to adversarial perturbations poses critical security challenges in practical deployments. Conventional defense mechanisms…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Yuanmin Huang , Wenxuan Li , Mi Zhang , Xiaohan Zhang , Xiaoyu You , Min Yang

3D model generation from single 2D RGB images is a challenging and actively researched computer vision task. Various techniques using conventional network architectures have been proposed for the same. However, the body of research work is…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Abdul Mueed Hafiz , Rouf Ul Alam Bhat , Shabir Ahmad Parah , M. Hassaballah

3D point cloud classification is a fundamental task in safety-critical applications such as autonomous driving, robotics, and augmented reality. However, recent studies reveal that point cloud classifiers are vulnerable to structured…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Liang Zhou , Qiming Wang , Tianze Chen

Point cloud classifiers with rotation robustness have been widely discussed in the 3D deep learning community. Most proposed methods either use rotation invariant descriptors as inputs or try to design rotation equivariant networks.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Robin Wang , Yibo Yang , Dacheng Tao

Poisoning attacks on machine learning systems compromise the model performance by deliberately injecting malicious samples in the training dataset to influence the training process. Prior works focus on either availability attacks (i.e.,…

Machine Learning · Computer Science 2021-10-13 Bingyin Zhao , Yingjie Lao

Federated learning (FL) is inherently susceptible to privacy breaches and poisoning attacks. To tackle these challenges, researchers have separately devised secure aggregation mechanisms to protect data privacy and robust aggregation…

Cryptography and Security · Computer Science 2025-02-11 Runhua Xu , Shiqi Gao , Chao Li , James Joshi , Jianxin Li

Facial recognition systems in real-world scenarios are susceptible to both digital and physical attacks. Previous methods have attempted to achieve classification by learning a comprehensive feature space. However, these methods have not…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Shunxin Chen , Ajian Liu , Junze Zheng , Jun Wan , Kailai Peng , Sergio Escalera , Zhen Lei

As 3D object detection on point clouds relies on the geometrical relationships between the points, non-standard object shapes can hinder a method's detection capability. However, in safety-critical settings, robustness to out-of-domain and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Alexander Lehner , Stefano Gasperini , Alvaro Marcos-Ramiro , Michael Schmidt , Mohammad-Ali Nikouei Mahani , Nassir Navab , Benjamin Busam , Federico Tombari

A 3D point cloud is often synthesized from depth measurements collected by sensors at different viewpoints. The acquired measurements are typically both coarse in precision and corrupted by noise. To improve quality, previous works denoise…

Image and Video Processing · Electrical Eng. & Systems 2020-02-12 Xue Zhang , Gene Cheung , Jiahao Pang , Dong Tian

Deep neural networks (DNNs) exhibit vulnerability to adversarial examples that can transfer across different DNN models. A particularly challenging problem is developing transferable targeted attacks that can mislead DNN models into…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Kaisheng Liang , Xuelong Dai , Yanjie Li , Dong Wang , Bin Xiao

Face recognition using 3D point clouds is gaining growing interest, while raw point clouds often contain a significant amount of noise due to imperfect sensors. In this paper, an end-to-end 3D face recognition on a noisy point cloud is…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Junyu Liu , Jianfeng Ren , Sunhong Liang , Xudong Jiang

Model poisoning attacks on federated learning (FL) intrude in the entire system via compromising an edge model, resulting in malfunctioning of machine learning models. Such compromised models are tampered with to perform adversary-desired…

Machine Learning · Computer Science 2022-05-11 Yuwei Sun , Hideya Ochiai , Jun Sakuma