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We present a novel, effective method for global point cloud registration problems by geometric topology. Based on many point cloud pairwise registration methods (e.g ICP), we focus on the problem of accumulated error for the composition of…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Yuxue Ren , Baowei Jiang , Wei Chen , Na Lei , Xianfeng David Gu

Multi-instance point cloud registration aims to estimate the pose of all instances of a model point cloud in the whole scene. Existing methods all adopt the strategy of first obtaining the global correspondence and then clustering to obtain…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Liyuan Zhang , Le Hui , Qi Liu , Bo Li , Yuchao Dai

Many applications in robotics and human-computer interaction can benefit from understanding 3D motion of points in a dynamic environment, widely noted as scene flow. While most previous methods focus on stereo and RGB-D images as input, few…

计算机视觉与模式识别 · 计算机科学 2019-07-23 Xingyu Liu , Charles R. Qi , Leonidas J. Guibas

In recent years, implicit functions have drawn attention in the field of 3D reconstruction and have successfully been applied with Deep Learning. However, for incremental reconstruction, implicit function-based registrations have been…

机器人学 · 计算机科学 2022-06-01 Yijun Yuan , Andreas Nuechter

Point clouds have grown in importance in the way computers perceive the world. From LIDAR sensors in autonomous cars and drones to the time of flight and stereo vision systems in our phones, point clouds are everywhere. Despite their…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Vinit Sarode , Animesh Dhagat , Rangaprasad Arun Srivatsan , Nicolas Zevallos , Simon Lucey , Howie Choset

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…

3D point cloud registration is a fundamental problem in computer vision, computer graphics, robotics, remote sensing, and etc. Over the last thirty years, we have witnessed the amazing advancement in this area with numerous kinds of…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Jiaqi Yang , Chu'ai Zhang , Zhengbao Wang , Xinyue Cao , Xuan Ouyang , Xiyu Zhang , Zhenxuan Zeng , Zhao Zeng , Borui Lu , Zhiyi Xia , Qian Zhang , Yulan Guo , Yanning Zhang

We describe a simple pre-training approach for point clouds. It works in three steps: 1. Mask all points occluded in a camera view; 2. Learn an encoder-decoder model to reconstruct the occluded points; 3. Use the encoder weights as…

计算机视觉与模式识别 · 计算机科学 2021-10-15 Hanchen Wang , Qi Liu , Xiangyu Yue , Joan Lasenby , Matthew J. Kusner

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…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Amnon Drory , Shai Avidan , Raja Giryes

Point Cloud Registration is a fundamental and challenging problem in 3D computer vision. Recent works often utilize the geometric structure information in point feature embedding or outlier rejection for registration while neglecting to…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Qianliang Wu , Yaqi Shen , Haobo Jiang , Guofeng Mei , Yaqing Ding , Lei Luo , Jin Xie , Jian Yang

3D point cloud completion, the task of inferring the complete geometric shape from a partial point cloud, has been attracting attention in the community. For acquiring high-fidelity dense point clouds and avoiding uneven distribution,…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Minghua Liu , Lu Sheng , Sheng Yang , Jing Shao , Shi-Min Hu

Point cloud registration (PCR) is crucial for many downstream tasks, such as simultaneous localization and mapping (SLAM) and object tracking. This makes detecting and quantifying registration misalignment, i.e., PCR quality validation, an…

计算机视觉与模式识别 · 计算机科学 2026-02-09 Shipeng Liu , Ziliang Xiong , Khac-Hoang Ngo , Per-Erik Forssén

LiDAR-based 3D object detection is an important task for autonomous driving and current approaches suffer from sparse and partial point clouds of distant and occluded objects. In this paper, we propose a novel two-stage approach, namely…

计算机视觉与模式识别 · 计算机科学 2020-12-23 Yanan Zhang , Di Huang , Yunhong Wang

Point cloud registration is a fundamental problem in 3D computer vision. Outdoor LiDAR point clouds are typically large-scale and complexly distributed, which makes the registration challenging. In this paper, we propose an efficient…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Fan Lu , Guang Chen , Yinlong Liu , Lijun Zhang , Sanqing Qu , Shu Liu , Rongqi Gu

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

Image-to-point-cloud (I2P) registration aims to align 2D images with 3D point clouds by establishing reliable 2D-3D correspondences. The drastic modality gap between images and point clouds makes it challenging to learn features that are…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Pei An , Junfeng Ding , Jiaqi Yang , Yulong Wang , Jie Ma , Liangliang Nan

PointNet has recently emerged as a popular representation for unstructured point cloud data, allowing application of deep learning to tasks such as object detection, segmentation and shape completion. However, recent works in literature…

计算机视觉与模式识别 · 计算机科学 2019-11-05 Vinit Sarode , Xueqian Li , Hunter Goforth , Yasuhiro Aoki , Rangaprasad Arun Srivatsan , Simon Lucey , Howie Choset

Scene flow estimation is the task to predict the point-wise or pixel-wise 3D displacement vector between two consecutive frames of point clouds or images, which has important application in fields such as service robots and autonomous…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Guangming Wang , Yunzhe Hu , Xinrui Wu , Hesheng Wang

This study presents a high-accuracy, efficient, and physically induced method for 3D point cloud registration, which is the core of many important 3D vision problems. In contrast to existing physics-based methods that merely consider…

计算机视觉与模式识别 · 计算机科学 2023-02-03 Zhao Mingyang , Ma Lei , Jia Xiaohong , Yan Dong-Ming , Huang Tiejun

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