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Point Cloud Registration (PCR) estimates the relative rigid transformation between two point clouds of the same scene. Despite significant progress with learning-based approaches, existing methods still face challenges when the overlapping…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Zhi Chen , Yufan Ren , Tong Zhang , Zheng Dang , Wenbing Tao , Sabine Süsstrunk , Mathieu Salzmann

Patch-to-point matching has become a robust way of point cloud registration. However, previous patch-matching methods employ superpoints with poor localization precision as nodes, which may lead to ambiguous patch partitions. In this paper,…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Yiheng Li , Canhui Tang , Runzhao Yao , Aixue Ye , Feng Wen , Shaoyi Du

We introduce PREDATOR, a model for pairwise point-cloud registration with deep attention to the overlap region. Different from previous work, our model is specifically designed to handle (also) point-cloud pairs with low overlap. Its key…

计算机视觉与模式识别 · 计算机科学 2021-08-09 Shengyu Huang , Zan Gojcic , Mikhail Usvyatsov , Andreas Wieser , Konrad Schindler

Point cloud registration for 3D objects is a challenging task due to sparse and noisy measurements, incomplete observations and large transformations. In this work, we propose \textbf{G}raph \textbf{M}atching \textbf{C}onsensus…

计算机视觉与模式识别 · 计算机科学 2022-04-11 Liang Pan , Zhongang Cai , Ziwei Liu

The main goal of point cloud registration in Multi-View Partial (MVP) Challenge 2021 is to estimate a rigid transformation to align a point cloud pair. The pairs in this competition have the characteristics of low overlap, non-uniform…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Lifa Zhu , Changwei Lin , Dongrui Liu , Xin Li , Francisco Gómez-Fernández

Point cloud registration aligns multiple unposed point clouds into a common reference frame and is a core step for 3D reconstruction and robot localization without initial guess. In this work, we cast registration as conditional generation:…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Yue Pan , Tao Sun , Liyuan Zhu , Lucas Nunes , Iro Armeni , Jens Behley , Cyrill Stachniss

Large-scale scene point cloud registration with limited overlap is a challenging task due to computational load and constrained data acquisition. To tackle these issues, we propose a point cloud registration method, MT-PCR, based on…

机器人学 · 计算机科学 2025-03-18 Yilong Wu , Yifan Duan , Yuxi Chen , Xinran Zhang , Yedong Shen , Jianmin Ji , Yanyong Zhang , Lu Zhang

In robotic inspection of aviation parts, achieving accurate pairwise point cloud registration between scanned and model data is essential. However, noise and outliers generated in robotic scanned data can compromise registration accuracy.…

机器人学 · 计算机科学 2024-07-25 Lingjie Su , Wei Xu , Wenlong Li

Registration is a fundamental but critical task in point cloud processing, which usually depends on finding element correspondence from two point clouds. However, the finding of reliable correspondence relies on establishing a robust and…

计算机视觉与模式识别 · 计算机科学 2022-02-16 Rong Huang , Wei Yao , Yusheng Xu , Zhen Ye , Uwe Stilla

In many applications, we need algorithms which can align partially overlapping point sets and are invariant to the corresponding transformations. In this work, a method possessing such properties is realized by minimizing the objective of…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Wei Lian , Wangmeng Zuo

The present work proposes a solution to the challenging problem of registering two partial point sets of the same object with very limited overlap. We leverage the fact that most objects found in man-made environments contain a plane of…

计算几何 · 计算机科学 2020-02-20 Lan Hu , Haomin Shi , Laurent Kneip

In this paper, we propose a novel learning-based pipeline for partially overlapping 3D point cloud registration. The proposed model includes an iterative distance-aware similarity matrix convolution module to incorporate information from…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Jiahao Li , Changhao Zhang , Ziyao Xu , Hangning Zhou , Chi Zhang

Point clouds registration is a fundamental step of many point clouds processing pipelines; however, most algorithms are tested on data that are collected ad-hoc and not shared with the research community. These data often cover only a very…

Partial point cloud registration is a challenging problem in robotics, especially when the robot undergoes a large transformation, causing a significant initial pose error and a low overlap between measurements. This work proposes…

机器人学 · 计算机科学 2024-07-25 Chien Erh Lin , Minghan Zhu , Maani Ghaffari

Much progress has been made on the task of learning-based 3D point cloud registration, with existing methods yielding outstanding results on standard benchmarks, such as ModelNet40, even in the partial-to-partial matching scenario.…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Zheng Dang , Lizhou Wang , Junning Qiu , Minglei Lu , Mathieu Salzmann

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…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Kexue Fu , Shaolei Liu , Xiaoyuan Luo , Manning Wang

In the domain of point cloud registration, the coarse-to-fine feature matching paradigm has received substantial attention owing to its impressive performance. This paradigm involves a two-step process: first, the extraction of multi-level…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Junjie Gao , Qiujie Dong , Ruian Wang , Shuangmin Chen , Shiqing Xin , Changhe Tu , Wenping Wang

Motivation: Assessing the match between two biomolecular structures is at the heart of structural analyses such as superposition, alignment and docking. These tasks are typically solved with specialized structure-matching techniques…

生物大分子 · 定量生物学 2024-01-23 Michael Habeck , Andreas Kröpelin , Nima Vakili

As a fundamental problem in computer vision, point cloud registration aims to seek the optimal transformation for aligning a pair of point clouds. In most existing methods, the information flows are usually forward transferring, thus…

计算机视觉与模式识别 · 计算机科学 2024-01-10 Yifan Xie , Boyu Wang , Shiqi Li , Jihua Zhu

Registration of point clouds related by rigid transformations is one of the fundamental problems in computer vision. However, a solution to the practical scenario of aligning sparsely and differently sampled observations in the presence of…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Natalie Lang , Joseph M. Francos