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Related papers: Unlearnable 3D Point Clouds: Class-wise Transforma…

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Pre-training has become a standard paradigm in many computer vision tasks. However, most of the methods are generally designed on the RGB image domain. Due to the discrepancy between the two-dimensional image plane and the three-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Zhenyu Li , Zehui Chen , Ang Li , Liangji Fang , Qinhong Jiang , Xianming Liu , Junjun Jiang , Bolei Zhou , Hang Zhao

Storing and transmitting LiDAR point cloud data is essential for many AV applications, such as training data collection, remote control, cloud services or SLAM. However, due to the sparsity and unordered structure of the data, it is…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Till Beemelmanns , Yuchen Tao , Bastian Lampe , Lennart Reiher , Raphael van Kempen , Timo Woopen , Lutz Eckstein

Three dimensional (3D) object recognition is becoming a key desired capability for many computer vision systems such as autonomous vehicles, service robots and surveillance drones to operate more effectively in unstructured environments.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Chenxi Xiao , Juan Wachs

Zero-shot learning, the task of learning to recognize new classes not seen during training, has received considerable attention in the case of 2D image classification. However, despite the increasing ubiquity of 3D sensors, the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Ali Cheraghian , Shafinn Rahman , Townim F. Chowdhury , Dylan Campbell , Lars Petersson

Growing concerns surrounding AI safety and data privacy have driven the development of Machine Unlearning as a potential solution. However, current machine unlearning algorithms are designed to complement the offline training paradigm. The…

Machine Learning · Computer Science 2025-09-23 Sayanta Adhikari , Vishnuprasadh Kumaravelu , P. K. Srijith

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

Point cloud models with neural network architectures have achieved great success and have been widely used in safety-critical applications, such as Lidar-based recognition systems in autonomous vehicles. However, such models are shown…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Wenda Chu , Linyi Li , Bo Li

With the proposition of neural networks for point clouds, deep learning has started to shine in the field of 3D object recognition while researchers have shown an increased interest to investigate the reliability of point cloud networks by…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Hanxiao Tan , Helena Kotthaus

Conformal unlearning aims to ensure that a trained conformal predictor miscovers data points with specific shared characteristics, such as those from a particular label class, associated with a specific user, or belonging to a defined…

Machine Learning · Computer Science 2026-02-13 Yahya Alkhatib , Muhammad Ahmar Jamal , Wee Peng Tay

Since the recent advent of regulations for data protection (e.g., the General Data Protection Regulation), there has been increasing demand in deleting information learned from sensitive data in pre-trained models without retraining from…

Machine Learning · Computer Science 2024-01-17 Sungmin Cha , Sungjun Cho , Dasol Hwang , Honglak Lee , Taesup Moon , Moontae Lee

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,…

Cryptography and Security · Computer Science 2019-07-15 Chong Xiang , Charles R. Qi , Bo Li

The scale diversity of point cloud data presents significant challenges in developing unified representation learning techniques for 3D vision. Currently, there are few unified 3D models, and no existing pre-training method is equally…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Ziyi Wang , Yanran Zhang , Jie Zhou , Jiwen Lu

Leveraging pre-trained 2D image representations in behavior cloning policies has achieved great success and has become a standard approach for robotic manipulation. However, such representations fail to capture the 3D spatial information…

Robotics · Computer Science 2026-05-07 I-Chun Arthur Liu , Krzysztof Choromanski , Sandy Huang , Connor Schenck

This paper proposes a general solution to enable point cloud recognition models to handle distribution shifts at test time. Unlike prior methods, which rely heavily on training data (often inaccessible during online inference) and are…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Hongyu Sun , Qiuhong Ke , Ming Cheng , Yongcai Wang , Deying Li , Chenhui Gou , Jianfei Cai

Semantic understanding of 3D point cloud relies on learning models with massively annotated data, which, in many cases, are expensive or difficult to collect. This has led to an emerging research interest in semi-supervised learning (SSL)…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Xian Shi , Xun Xu , Wanyue Zhang , Xiatian Zhu , Chuan Sheng Foo , Kui Jia

With recent developments of convolutional neural networks, deep learning for 3D point clouds has shown significant progress in various 3D scene understanding tasks, e.g., object recognition, semantic segmentation. In a safety-critical…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Jaeyeon Kim , Binh-Son Hua , Duc Thanh Nguyen , Sai-Kit Yeung

Safeguarding data from unauthorized exploitation is vital for privacy and security, especially in recent rampant research in security breach such as adversarial/membership attacks. To this end, \textit{unlearnable examples} (UEs) have been…

Machine Learning · Computer Science 2023-10-04 Wan Jiang , Yunfeng Diao , He Wang , Jianxin Sun , Meng Wang , Richang Hong

Unsupervised point cloud completion aims at estimating the corresponding complete point cloud of a partial point cloud in an unpaired manner. It is a crucial but challenging problem since there is no paired partial-complete supervision that…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Yingjie Cai , Kwan-Yee Lin , Chao Zhang , Qiang Wang , Xiaogang Wang , Hongsheng Li

3D reconstruction from images is a core problem in computer vision. With recent advances in deep learning, it has become possible to recover plausible 3D shapes even from single RGB images for the first time. However, obtaining detailed…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Tao Hu , Geng Lin , Zhizhong Han , Matthias Zwicker

We present a novel, end-to-end learnable, multiview 3D point cloud registration algorithm. Registration of multiple scans typically follows a two-stage pipeline: the initial pairwise alignment and the globally consistent refinement. The…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Zan Gojcic , Caifa Zhou , Jan D. Wegner , Leonidas J. Guibas , Tolga Birdal