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Point cloud registration (PCR) is an essential task in 3D vision. Existing methods achieve increasingly higher accuracy. However, a large proportion of non-overlapping points in point cloud registration consume a lot of computational…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Yang Ai , Qiang Bai , Jindong Li , Xi Yang

Non-rigid point cloud registration is a critical challenge in 3D scene understanding, particularly in surgical navigation. Although existing methods achieve excellent performance when trained on large-scale, high-quality datasets, these…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Geng Li , Haozhi Cao , Mingyang Liu , Chenxi Jiang , Jianfei Yang

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…

机器人学 · 计算机科学 2024-09-17 Lingjie Su , Wei Xu , Shuyang Zhao , Yuqi Cheng , Wenlong Li

Point base registration is an important part in many machine VISIOn applications, medical diagnostics, agricultural studies etc. The goal of point set registration is to find correspondences between different data sets and estimate the…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Mohammad Sadegh Majdi , Emad Fatemizadeh

Probabilistic point cloud registration methods are becoming more popular because of their robustness. However, unlike point-to-plane variants of iterative closest point (ICP) which incorporate local surface geometric information such as…

计算机视觉与模式识别 · 计算机科学 2021-08-16 Weixiao Liu , Hongtao Wu , Gregory Chirikjian

With the inflation of the data, clustering analysis, as a branch of unsupervised learning, lacks unified understanding and application of its mathematical law. Based on the view of fixed point, this paper restates the model-based clustering…

机器学习 · 计算机科学 2020-02-20 Jianhao Ding , Lansheng Han

This work addresses the problem of point cloud registration using deep neural networks. We propose an approach to predict the alignment between two point clouds with overlapping data content, but displaced origins. Such point clouds…

计算机视觉与模式识别 · 计算机科学 2021-01-14 Markus Horn , Nico Engel , Vasileios Belagiannis , Michael Buchholz , Klaus Dietmayer

Clustering is one of the most common unsupervised learning tasks in machine learning and data mining. Clustering algorithms have been used in a plethora of applications across several scientific fields. However, there has been limited…

机器学习 · 计算机科学 2017-02-09 Quang N. Tran , Ba-Ngu Vo , Dinh Phung , Ba-Tuong Vo

Data clustering has received a lot of attention and numerous methods, algorithms and software packages are available. Among these techniques, parametric finite-mixture models play a central role due to their interesting mathematical…

计算机视觉与模式识别 · 计算机科学 2017-01-31 Israel D. Gebru , Xavier Alameda-Pineda , Florence Forbes , Radu Horaud

Federated learning has received great attention for its capability to train a large-scale model in a decentralized manner without needing to access user data directly. It helps protect the users' private data from centralized collecting.…

机器学习 · 计算机科学 2023-02-07 Guodong Long , Ming Xie , Tao Shen , Tianyi Zhou , Xianzhi Wang , Jing Jiang , Chengqi Zhang

Model-based clustering approaches concern the paradigm of exploratory data analysis relying on the finite mixture model to automatically find a latent structure governing observed data. They are one of the most popular and successful…

统计方法学 · 统计学 2014-04-29 Faicel Chamroukhi

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

Semantic segmentation of aerial point cloud data can be utilised to differentiate which points belong to classes such as ground, buildings, or vegetation. Point clouds generated from aerial sensors mounted to drones or planes can utilise…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Matthew Howe , Boris Repasky , Timothy Payne

Clustering algorithms are one of the main analytical methods to detect patterns in unlabeled data. Existing clustering methods typically treat samples in a dataset as points in a metric space and compute distances to group together similar…

机器学习 · 计算机科学 2021-10-12 Tarek Naous , Srinjay Sarkar , Abubakar Abid , James Zou

Recently, Expectation-maximization (EM) algorithm has been introduced as an effective means to solve multi-view registration problem. Most of the previous methods assume that each data point is drawn from the Gaussian Mixture Model (GMM),…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Yanlin Ma , Jihua Zhu , Zhongyu Li , Zhiqiang Tian , Yaochen Li

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

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…

计算机视觉与模式识别 · 计算机科学 2019-03-13 Xiaoshui Huang , Lixin Fan , Qiang Wu , Jian Zhang , Chun Yuan

Clustering is a widely-used data mining tool, which aims to discover partitions of similar items in data. We introduce a new clustering paradigm, \emph{accordant clustering}, which enables the discovery of (predefined) group level insights.…

机器学习 · 计算机科学 2017-04-11 Amit Dhurandhar , Margareta Ackerman , Xiang Wang

This paper presents a framework for rigid point-set registration and merging using a robust continuous data representation. Our point-set representation is constructed by training a one-class support vector machine with a Gaussian radial…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Dylan Campbell , Lars Petersson

Cross-modal data registration has long been a critical task in computer vision, with extensive applications in autonomous driving and robotics. Accurate and robust registration methods are essential for aligning data from different…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Yuanchao Yue , Hui Yuan , Qinglong Miao , Xiaolong Mao , Raouf Hamzaoui , Peter Eisert