English
Related papers

Related papers: PointNetLK Revisited

200 papers

To deal with the exhausting annotations, self-supervised representation learning from unlabeled point clouds has drawn much attention, especially centered on augmentation-based contrastive methods. However, specific augmentations hardly…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Zhuheng Lu , Yuewei Dai , Weiqing Li , Zhiyong Su

The paper presents a simple and effective learning-based method for computing a discriminative 3D point cloud descriptor for place recognition purposes. Recent state-of-the-art methods have relatively complex architectures such as…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Jacek Komorowski

Intelligent systems possess a crucial characteristic of breaking complicated problems into smaller reusable components or parts and adjusting to new tasks using these part representations. However, current part-learners encounter…

Machine Learning · Computer Science 2023-10-03 Gaurav Bhatt , Deepayan Das , Leonid Sigal , Vineeth N Balasubramanian

Despite recent success of self-supervised based contrastive learning model for 3D point clouds representation, the adversarial robustness of such pre-trained models raised concerns. Adversarial contrastive learning (ACL) is considered an…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Junxuan Huang , Yatong An , Lu cheng , Bai Chen , Junsong Yuan , Chunming Qiao

In the field of Connectomics, a primary problem is that of 3D neuron segmentation. Although deep learning-based methods have achieved remarkable accuracy, errors still exist, especially in regions with image defects. One common type of…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Jules Berman , Dmitri B. Chklovskii , Jingpeng Wu

The majority of point cloud registration methods currently rely on extracting features from points. However, these methods are limited by their dependence on information obtained from a single modality of points, which can result in…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Yifan Xie , Jihua Zhu , Shiqi Li , Pengcheng Shi

In object re-identification (ReID), the development of deep learning techniques often involves model updates and deployment. It is unbearable to re-embedding and re-index with the system suspended when deploying new models. Therefore,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Shengsen Wu , Liang Chen , Yihang Lou , Yan Bai , Tao Bai , Minghua Deng , Lingyu Duan

Point cloud is an important type of geometric data structure. Due to its irregular format, most researchers transform such data to regular 3D voxel grids or collections of images. This, however, renders data unnecessarily voluminous and…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Charles R. Qi , Hao Su , Kaichun Mo , Leonidas J. Guibas

Discrete point cloud objects lack sufficient shape descriptors of 3D geometries. In this paper, we present a novel method for aggregating hypothetical curves in point clouds. Sequences of connected points (curves) are initially grouped by…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Tiange Xiang , Chaoyi Zhang , Yang Song , Jianhui Yu , Weidong Cai

Direct image-to-image alignment that relies on the optimization of photometric error metrics suffers from limited convergence range and sensitivity to lighting conditions. Deep learning approaches has been applied to address this problem by…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Lei Han , Mengqi Ji , Lu Fang , Matthias Nießner

Quantum neural networks (QNNs) provide expressive probabilistic models by leveraging quantum superposition and entanglement, yet their practical training remains challenging due to highly oscillatory loss landscapes and noise inherent to…

Quantum Physics · Physics 2026-01-26 Jaemin Seo

We propose an unsupervised learning framework with the pretext task of finding dense correspondences between point cloud shapes from the same category based on the cycle-consistency formulation. In order to learn discriminative pointwise…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Lei Yang , Wenxi Liu , Zhiming Cui , Nenglun Chen , Wenping Wang

Point clouds provide a flexible and natural representation usable in countless applications such as robotics or self-driving cars. Recently, deep neural networks operating on raw point cloud data have shown promising results on supervised…

Machine Learning · Computer Science 2019-06-04 Jonathan Sauder , Bjarne Sievers

Registration methods for point clouds have become a key component of many SLAM systems on autonomous vehicles. However, an accurate estimate of the uncertainty of such registration is a key requirement to a consistent fusion of this kind of…

Robotics · Computer Science 2020-10-13 Ignacio Torroba , Christopher Iliffe Sprague , Nils Bore , John Folkesson

Learning and analyzing 3D point clouds with deep networks is challenging due to the sparseness and irregularity of the data. In this paper, we present a data-driven point cloud upsampling technique. The key idea is to learn multi-level…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Lequan Yu , Xianzhi Li , Chi-Wing Fu , Daniel Cohen-Or , Pheng-Ann Heng

Removing outlier correspondences is one of the critical steps for successful feature-based point cloud registration. Despite the increasing popularity of introducing deep learning methods in this field, spatial consistency, which is…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Xuyang Bai , Zixin Luo , Lei Zhou , Hongkai Chen , Lei Li , Zeyu Hu , Hongbo Fu , Chiew-Lan Tai

Federated learning is an important privacy-preserving multi-party learning paradigm, involving collaborative learning with others and local updating on private data. Model heterogeneity and catastrophic forgetting are two crucial…

Machine Learning · Computer Science 2023-09-29 Wenke Huang , Mang Ye , Zekun Shi , Bo Du

Learning universal representations across different applications domain is an open research problem. In fact, finding universal architecture within the same application but across different types of datasets is still unsolved problem too,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 David Bojanić , Kristijan Bartol , Josep Forest , Stefan Gumhold , Tomislav Petković , Tomislav Pribanić

Point cloud analysis has evolved with diverse network architectures, while existing works predominantly focus on introducing novel structural designs. However, conventional point-based architectures - processing raw points through…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Shangzhuo Xie , Qianqian Yang

Point cloud completion is essential for robust 3D perception in safety-critical applications such as robotics and augmented reality. However, existing models perform static inference and rely heavily on inductive biases learned during…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Linlian Jiang , Rui Ma , Li Gu , Ziqiang Wang , Xinxin Zuo , Yang Wang
‹ Prev 1 4 5 6 7 8 10 Next ›