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Scene flow is a powerful tool for capturing the motion field of 3D point clouds. However, it is difficult to directly apply flow-based models to dynamic point cloud classification since the unstructured points make it hard or even…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Jia-Xing Zhong , Kaichen Zhou , Qingyong Hu , Bing Wang , Niki Trigoni , Andrew Markham

Point cloud registration, a fundamental task in 3D vision, has achieved remarkable success with learning-based methods in outdoor environments. Unsupervised outdoor point cloud registration methods have recently emerged to circumvent the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Kezheng Xiong , Haoen Xiang , Qingshan Xu , Chenglu Wen , Siqi Shen , Jonathan Li , Cheng Wang

Point cloud registration is a fundamental task in 3D vision. Most existing methods only use geometric information for registration. Recently proposed RGB-D registration methods primarily focus on feature fusion or improving feature…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Congjia Chen , Shen Yan , Yufu Qu

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

Data plays a crucial role in training learning-based methods for 3D point cloud registration. However, the real-world dataset is expensive to build, while rendering-based synthetic data suffers from domain gaps. In this work, we present…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Suyi Chen , Hao Xu , Haipeng Li , Kunming Luo , Guanghui Liu , Chi-Wing Fu , Ping Tan , Shuaicheng Liu

Point cloud registration is a key task in many computational fields. Previous correspondence matching based methods require the inputs to have distinctive geometric structures to fit a 3D rigid transformation according to point-wise sparse…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Hao Xu , Shuaicheng Liu , Guangfu Wang , Guanghui Liu , Bing Zeng

Point cloud registration is a task to estimate the rigid transformation between two unaligned scans, which plays an important role in many computer vision applications. Previous learning-based works commonly focus on supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Mingzhi Yuan , Kexue Fu , Zhihao Li , Yucong Meng , Manning Wang

3D anomaly detection in point-cloud data is critical for industrial quality control, aiming to identify structural defects with high reliability. However, current memory bank-based methods often suffer from inconsistent feature…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Yuyang Yu , Zhengwei Chen , Xuemiao Xu , Lei Zhang , Haoxin Yang , Yongwei Nie , Shengfeng He

3D point cloud registration is a fundamental task in robotics and computer vision. Recently, many learning-based point cloud registration methods based on correspondences have emerged. However, these methods heavily rely on such…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Lifa Zhu , Dongrui Liu , Changwei Lin , Rui Yan , Francisco Gómez-Fernández , Ninghua Yang , Ziyong Feng

A key challenge for an agent learning to interact with the world is to reason about physical properties of objects and to foresee their dynamics under the effect of applied forces. In order to scale learning through interaction to many…

Robotics · Computer Science 2020-08-04 Iman Nematollahi , Oier Mees , Lukas Hermann , Wolfram Burgard

We present an efficient and robust point cloud registration (PCR) workflow for part-wise rigid point cloud alignment using the Microsoft HoloLens 2. Point Cloud Registration (PCR) is an important problem in Augmented and Mixed Reality use…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Manorama Jha , Bhaskar Banerjee

Point cloud 3D object detection has recently received major attention and becomes an active research topic in 3D computer vision community. However, recognizing 3D objects in LiDAR (Light Detection and Ranging) is still a challenge due to…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Yilin Wang , Jiayi Ye

In recent years, point cloud representation has become one of the research hotspots in the field of computer vision, and has been widely used in many fields, such as autonomous driving, virtual reality, robotics, etc. Although deep learning…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Huang Zhang , Changshuo Wang , Shengwei Tian , Baoli Lu , Liping Zhang , Xin Ning , Xiao Bai

Non-rigid point cloud registration is a key component in many computer vision and computer graphics applications. The high complexity of the unknown non-rigid motion make this task a challenging problem. In this paper, we break down this…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Yang Li , Tatsuya Harada

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

Large and rich data is a prerequisite for effective training of deep neural networks. However, the irregularity of point cloud data makes manual annotation time-consuming and laborious. Self-supervised representation learning, which…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Xin Cao , Xinxin Han , Yifan Wang , Mengna Yang , Kang Li

Recently,vision-based robotic manipulation has garnered significant attention and witnessed substantial advancements. 2D image-based and 3D point cloud-based policy learning represent two predominant paradigms in the field, with recent…

Robotics · Computer Science 2025-09-23 Run Yu , Yangdi Liu , Wen-Da Wei , Chen Li

Rigid Point Cloud Registration (PCR) algorithms aim to estimate the 6-DOF relative motion between two point clouds, which is important in various fields, including autonomous driving. Recent years have seen a significant improvement in…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Amnon Drory , Shai Avidan , Raja Giryes

We present 3DRegNet, a novel deep learning architecture for the registration of 3D scans. Given a set of 3D point correspondences, we build a deep neural network to address the following two challenges: (i) classification of the point…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 G. Dias Pais , Srikumar Ramalingam , Venu Madhav Govindu , Jacinto C. Nascimento , Rama Chellappa , Pedro Miraldo

The majority of point cloud registration methods currently rely on extracting features from points. However, these methods are limited by their dependence on information obtained from a single modality of points, which can result in…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Yifan Xie , Jihua Zhu , Shiqi Li , Pengcheng Shi