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3D point cloud registration ranks among the most fundamental problems in remote sensing, photogrammetry, robotics and geometric computer vision. Due to the limited accuracy of 3D feature matching techniques, outliers may exist, sometimes…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Lei Sun

Correspondence-based point cloud registration is a cornerstone in geometric computer vision, robotics perception, photogrammetry and remote sensing, which seeks to estimate the best rigid transformation between two point clouds from the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Lei Sun

Correspondence-based point cloud registration (PCR) plays a key role in robotics and computer vision. However, challenges like sensor noises, object occlusions, and descriptor limitations inevitably result in numerous outliers. RANSAC…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Pengcheng Shi , Shaocheng Yan , Yilin Xiao , Xinyi Liu , Yongjun Zhang , Jiayuan Li

We propose a robust method for point cloud registration that can handle both unknown scales and extreme outlier ratios. Our method, dubbed PCR-99, uses a deterministic 3-point sampling approach with two novel mechanisms that significantly…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Seong Hun Lee , Javier Civera , Patrick Vandewalle

Registration is a basic yet crucial task in point cloud processing. In correspondence-based point cloud registration, matching correspondences by point feature techniques may lead to an extremely high outlier ratio. Current methods still…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Li Yan , Pengcheng Wei , Hong Xie , Jicheng Dai , Hao Wu , Ming Huang

Correspondence-based rotation search and point cloud registration are two fundamental problems in robotics and computer vision. However, the presence of outliers, sometimes even occupying the great majority of the putative correspondences,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Lei Sun

In this paper, we present IRON (Invariant-based global Robust estimation and OptimizatioN), a non-minimal and highly robust solution for point cloud registration with a great number of outliers among the correspondences. To realize this, we…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Lei Sun

Rotation search and point cloud registration are two fundamental problems in robotics and computer vision, which aim to estimate the rotation and the transformation between the 3D vector sets and point clouds, respectively. Due to the…

Robotics · Computer Science 2021-05-11 Lei Sun

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

An established approach for 3D point cloud registration is to estimate the registration function from 3D keypoint correspondences. Typically, a robust technique is required to conduct the estimation, since there are false correspondences or…

Computer Vision and Pattern Recognition · Computer Science 2018-02-20 Álvaro Parra Bustos , Tat-Jun Chin

We propose the first fast and certifiable algorithm for the registration of two sets of 3D points in the presence of large amounts of outlier correspondences. We first reformulate the registration problem using a Truncated Least Squares…

Robotics · Computer Science 2020-10-20 Heng Yang , Jingnan Shi , Luca Carlone

Many types of 3D acquisition sensors have emerged in recent years and point cloud has been widely used in many areas. Accurate and fast registration of cross-source 3D point clouds from different sensors is an emerged research problem in…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Xiaoshui Huang , Lixin Fan , Qiang Wu , Jian Zhang , Chun Yuan

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

In robotic inspection, joint registration of multiple point clouds is an essential technique for estimating the transformation relationships between measured parts, such as multiple blades in a propeller. However, the presence of noise and…

Robotics · Computer Science 2024-09-17 Lingjie Su , Wei Xu , Shuyang Zhao , Yuqi Cheng , Wenlong Li

Due to the density inconsistency and distribution difference between cross-source point clouds, previous methods fail in cross-source point cloud registration. We propose a density-robust feature extraction and matching scheme to achieve…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Guiyu Zhao , Zhentao Guo , Zewen Du , Hongbin Ma

This paper presents a novel randomized algorithm for robust point cloud registration without correspondences. Most existing registration approaches require a set of putative correspondences obtained by extracting invariant descriptors.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Huu Le , Thanh-Toan Do , Tuan Hoang , Ngai-Man Cheung

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

Point cloud registration is the task of estimating the rigid transformation that aligns a pair of point cloud fragments. We present an efficient and robust framework for pairwise registration of real-world 3D scans, leveraging Hough voting…

Computer Vision and Pattern Recognition · Computer Science 2021-09-10 Junha Lee , Seungwook Kim , Minsu Cho , Jaesik Park

This paper introduces a new method for 3D point cloud registration based on deep learning. The architecture is composed of three distinct blocs: (i) an encoder composed of a convolutional graph-based descriptor that encodes the immediate…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Karim Slimani , Brahim Tamadazte , Catherine Achard

In this paper, we introduce a new outlier removal method that fully leverages geometric and semantic information, to achieve robust registration. Current semantic-based registration methods only use semantics for point-to-point or instance…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Guiyu Zhao , Zhentao Guo , Hongbin Ma
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