English
Related papers

Related papers: Mahalanobis k-NN: A Statistical Lens for Robust Po…

200 papers

3D point cloud registration is a fundamental problem in computer vision and robotics. There has been extensive research in this area, but existing methods meet great challenges in situations with a large proportion of outliers and time…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Kexue Fu , Shaolei Liu , Xiaoyuan Luo , Manning Wang

Producing traversability maps and understanding the surroundings are crucial prerequisites for autonomous navigation. In this paper, we address the problem of traversability assessment using point clouds. We propose a novel pillar feature…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Yirui Chen , Pengjin Wei , Zhenhuan Liu , Bingchao Wang , Jie Yang , Wei Liu

We present DeepICP - a novel end-to-end learning-based 3D point cloud registration framework that achieves comparable registration accuracy to prior state-of-the-art geometric methods. Different from other keypoint based methods where a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Weixin Lu , Guowei Wan , Yao Zhou , Xiangyu Fu , Pengfei Yuan , Shiyu Song

Outdoor LiDAR point clouds are typically large-scale and complexly distributed. To achieve efficient and accurate registration, emphasizing the similarity among local regions and prioritizing global local-to-local matching is of utmost…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Weiyi Xue , Fan Lu , Guang Chen

Point cloud registration plays a crucial role in various computer vision tasks, and usually demands the resolution of partial overlap registration in practice. Most existing methods perform a serial calculation of rotation and translation,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Shiqi Li , Jihua Zhu , Yifan Xie

LiDAR and photogrammetry are active and passive remote sensing techniques for point cloud acquisition, respectively, offering complementary advantages and heterogeneous. Due to the fundamental differences in sensing mechanisms, spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Chen Wang , Yanfeng Gu , Xian Li

Point cloud registration is a fundamental problem in computer vision that aims to estimate the transformation between corresponding sets of points. Non-rigid registration, in particular, involves addressing challenges including various…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Sara Monji-Azad , Marvin Kinz , Jürgen Hesser

Point cloud registration is to estimate a transformation to align point clouds collected in different perspectives. In learning-based point cloud registration, a robust descriptor is vital for high-accuracy registration. However, most…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Guiyu Zhao , Zhentao Guo , Xin Wang , Hongbin Ma

This paper proposes a novel point-cloud-based place recognition system that adopts a deep learning approach for feature extraction. By using a convolutional neural network pre-trained on color images to extract features from a range image…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Ting Sun , Ming Liu , Haoyang Ye , Dit-Yan Yeung

Robust point cloud registration in real-time is an important prerequisite for many mapping and localization algorithms. Traditional methods like ICP tend to fail without good initialization, insufficient overlap or in the presence of…

Computer Vision and Pattern Recognition · Computer Science 2021-02-22 Kai Fischer , Martin Simon , Florian Oelsner , Stefan Milz , Horst-Michael Gross , Patrick Maeder

Recent advances in deep learning have improved 3D point cloud registration but increased graphics processing unit (GPU) memory usage, often requiring preliminary sampling that reduces accuracy. We propose an overlapping region sampling…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Tomoyasu Shimada , Kazuhiko Murasaki , Shogo Sato , Toshihiko Nishimura , Taiga Yoshida , Ryuichi Tanida

Point clouds are widely used representations of 3D data, but determining the visibility of points from a given viewpoint remains a challenging problem due to their sparse nature and lack of explicit connectivity. Traditional methods, such…

Graphics · Computer Science 2025-09-30 Jun-Hao Wang , Yi-Yang Tian , Baoquan Chen , Peng-Shuai Wang

We present an improved approach for 3D object detection in point cloud data based on the Frustum PointNet (F-PointNet). Compared to the original F-PointNet, our newly proposed method considers the point neighborhood when computing point…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Chengzhi Wu , Julius Pfrommer , Jürgen Beyerer , Kangning Li , Boris Neubert

Recently, several deep learning approaches have been proposed for point cloud registration. These methods train a network to generate a representation that helps finding matching points in two 3D point clouds. Finding good matches allows…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Itan Hezroni , Amnon Drory , Raja Giryes , Shai Avidan

This paper proposes an anomaly detection method based on federated learning to address key challenges in multi-tenant cloud environments, including data privacy leakage, heterogeneous resource behavior, and the limitations of centralized…

Machine Learning · Computer Science 2025-08-15 Yuxi Wang , Heyao Liu , Nyutian Long , Guanzi Yao

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

The precision of unsupervised point cloud registration methods is typically limited by the lack of reliable inlier estimation and self-supervised signal, especially in partially overlapping scenarios. In this paper, we propose an effective…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Yongzhe Yuan , Yue Wu , Maoguo Gong , Qiguang Miao , A. K. Qin

In recent years, deep learning-based point cloud normal estimation has made great progress. However, existing methods mainly rely on the PCPNet dataset, leading to overfitting. In addition, the correlation between point clouds with…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Wei Jin , Jun Zhou , Nannan Li , Haba Madeline , Xiuping Liu

We can use a method called registration to integrate some point clouds that represent the shape of the real world. In this paper, we propose highly accurate and stable registration method. Our method detects keypoints from point clouds and…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Masaki Yoshii , Ikuko Shimizu

Deep learning-based point cloud modeling has been widely investigated as an indispensable component of general shape analysis. Recently, transformer and state space model (SSM) have shown promising capacities in point cloud learning.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Guoqing Zhang , Jingyun Yang , Yang Li