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Current point cloud registration methods are mainly based on local geometric information and usually ignore the semantic information contained in the scenes. In this paper, we treat the point cloud registration problem as a semantic…

计算机视觉与模式识别 · 计算机科学 2023-10-19 Shaocong Liu , Tao Wang , Yan Zhang , Ruqin Zhou , Li Li , Chenguang Dai , Yongsheng Zhang , Longguang Wang , Hanyun Wang

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.…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Huu Le , Thanh-Toan Do , Tuan Hoang , Ngai-Man Cheung

We derive a convex optimization problem for the task of segmenting sequential data, which explicitly treats presence of outliers. We describe two algorithms for solving this problem, one exact and one a top-down novel approach, and we…

机器学习 · 计算机科学 2014-11-19 Itamar Katz , Koby Crammer

We propose a robust approach for the registration of two sets of 3D points in the presence of a large amount of outliers. Our first contribution is to reformulate the registration problem using a Truncated Least Squares (TLS) cost that…

机器人学 · 计算机科学 2019-07-02 Heng Yang , Luca Carlone

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

High-dimensional data poses unique challenges in outlier detection process. Most of the existing algorithms fail to properly address the issues stemming from a large number of features. In particular, outlier detection algorithms perform…

机器学习 · 计算机科学 2020-09-22 Firuz Kamalov , Ho Hon Leung

Despite the remarkable advancements in deep learning-based perception technologies and simultaneous localization and mapping (SLAM), one can face the failure of these approaches when robots encounter scenarios outside their modeled…

机器人学 · 计算机科学 2024-05-29 Hyungtae Lim

Neural surface reconstruction relies heavily on accurate camera poses as input. Despite utilizing advanced pose estimators like COLMAP or ARKit, camera poses can still be noisy. Existing pose-NeRF joint optimization methods handle poses…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Yi Gu , Dongjun Ye , Zhaorui Wang , Jiaxu Wang , Jiahang Cao , Renjing Xu

This work addresses the outlier removal problem in large-scale global structure-from-motion. In such applications, global outlier removal is very useful to mitigate the deterioration caused by mismatches in the feature point matching step.…

计算机视觉与模式识别 · 计算机科学 2019-02-18 Fei Wen , Danping Zou , Rendong Ying , Peilin Liu

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…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Lei Sun

Point cloud registration aims to provide estimated transformations to align point clouds, which plays a crucial role in pose estimation of various navigation systems, such as surgical guidance systems and autonomous vehicles. Despite the…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Geng Li , Haozhi Cao , Mingyang Liu , Shenghai Yuan , Jianfei Yang

Semidefinite Programming (SDP) and Sums-of-Squares (SOS) relaxations have led to certifiably optimal non-minimal solvers for several robotics and computer vision problems. However, most non-minimal solvers rely on least-squares…

计算机视觉与模式识别 · 计算机科学 2020-06-15 Heng Yang , Pasquale Antonante , Vasileios Tzoumas , Luca Carlone

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…

机器人学 · 计算机科学 2020-10-20 Heng Yang , Jingnan Shi , Luca Carlone

We present a fast feature-metric point cloud registration framework, which enforces the optimisation of registration by minimising a feature-metric projection error without correspondences. The advantage of the feature-metric projection…

计算机视觉与模式识别 · 计算机科学 2020-05-05 Xiaoshui Huang , Guofeng Mei , Jian Zhang

Outlier-robust estimation is a fundamental problem and has been extensively investigated by statisticians and practitioners. The last few years have seen a convergence across research fields towards "algorithmic robust statistics", which…

机器学习 · 统计学 2022-12-19 Luca Carlone

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

Point Cloud Registration (PCR) is a critical and challenging task in computer vision. One of the primary difficulties in PCR is identifying salient and meaningful points that exhibit consistent semantic and geometric properties across…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Qianliang Wu , Yaqing Ding , Lei Luo , Haobo Jiang , Shuo Gu , Chuanwei Zhou , Jin Xie , Jian Yang

With the growth of 3D sensing technology, deep learning system for 3D point clouds has become increasingly important, especially in applications like autonomous vehicles where safety is a primary concern. However, there are also growing…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Xinke Li , Junchi Lu , Henghui Ding , Changsheng Sun , Joey Tianyi Zhou , Chee Yeow Meng

Registering urban point clouds is a quite challenging task due to the large-scale, noise and data incompleteness of LiDAR scanning data. In this paper, we propose SARNet, a novel semantic augmented registration network aimed at achieving…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Chao Liu , Jianwei Guo , Dong-Ming Yan , Zhirong Liang , Xiaopeng Zhang , Zhanglin Cheng

Outliers widely occur in big-data applications and may severely affect statistical estimation and inference. In this paper, a framework of outlier-resistant estimation is introduced to robustify an arbitrarily given loss function. It has a…

统计方法学 · 统计学 2023-04-20 Yiyuan She , Zhifeng Wang , Jiahui Shen