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相关论文: PCKRF: Point Cloud Completion and Keypoint Refinem…

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Point cloud completion aims to predict complete shape from its partial observation. Current approaches mainly consist of generation and refinement stages in a coarse-to-fine style. However, the generation stage often lacks robustness to…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Mingye Xu , Yali Wang , Yihao Liu , Tong He , Yu Qiao

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

Large-scale colored point clouds have many advantages in navigation or scene display. Relying on cameras and LiDARs, which are now widely used in reconstruction tasks, it is possible to obtain such colored point clouds. However, the…

机器人学 · 计算机科学 2023-02-28 Jiadi Cui , Sören Schwertfeger

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 2019-12-13 Vinit Sarode , Xueqian Li , Hunter Goforth , Yasuhiro Aoki , Animesh Dhagat , Rangaprasad Arun Srivatsan , Simon Lucey , Howie Choset

This paper presents PCDreamer, a novel method for point cloud completion. Traditional methods typically extract features from partial point clouds to predict missing regions, but the large solution space often leads to unsatisfactory…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Guangshun Wei , Yuan Feng , Long Ma , Chen Wang , Yuanfeng Zhou , Changjian Li

In this paper we present a novel joint approach for optimising surface curvature and pose alignment. We present two implementations of this joint optimisation strategy, including a fast implementation that uses two frames and an offline…

计算机视觉与模式识别 · 计算机科学 2017-07-17 Andrew Spek , Tom Drummond

In this paper, we present a novel, end-to-end 6D object pose estimation method that operates on RGB inputs. Our approach is composed of 2 main components: the first component classifies the objects in the input image and proposes an initial…

计算机视觉与模式识别 · 计算机科学 2020-10-08 Ameni Trabelsi , Mohamed Chaabane , Nathaniel Blanchard , Ross Beveridge

In the realm of point cloud registration, the most prevalent pose evaluation approaches are statistics-based, identifying the optimal transformation by maximizing the number of consistent correspondences. However, registration recall…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Junjie Gao , Chongjian Wang , Zhongjun Ding , Shuangmin Chen , Shiqing Xin , Changhe Tu , Wenping Wang

In this paper, we present a new method that reformulates point cloud completion as a set-to-set translation problem and design a new model, called PoinTr, which adopts a Transformer encoder-decoder architecture for point cloud completion.…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Xumin Yu , Yongming Rao , Ziyi Wang , Jiwen Lu , Jie Zhou

We propose a novel keypoint voting 6DoF object pose estimation method, which takes pure unordered point cloud geometry as input without RGB information. The proposed cascaded keypoint voting method, called RCVPose3D, is based upon a novel…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Yangzheng Wu , Alireza Javaheri , Mohsen Zand , Michael Greenspan

Learning based 6D object pose estimation methods rely on computing large intermediate pose representations and/or iteratively refining an initial estimation with a slow render-compare pipeline. This paper introduces a novel method we call…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Pedro Castro , Tae-Kyun Kim

Point cloud completion is a vital task focused on reconstructing complete point clouds and addressing the incompleteness caused by occlusion and limited sensor resolution. Traditional methods relying on fixed local region partitioning, such…

图形学 · 计算机科学 2025-09-30 Zhenyu Shu , Jian Yao , Shiqing Xin

The 6-Degree of Freedom (DoF) grasp method based on point clouds has shown significant potential in enabling robots to grasp target objects. However, most existing methods are based on the point clouds (2.5D points) generated from…

机器人学 · 计算机科学 2026-01-13 Yaofeng Cheng , Fusheng Zha , Wei Guo , Pengfei Wang , Chao Zeng , Lining Sun , Chenguang Yang

Category-level object pose estimation aims to predict the pose and size of arbitrary objects in specific categories. Existing methods struggle with the inherent incompleteness of observed point clouds, which limits their ability to capture…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Huan Ren , Yihan Chen , Chuxin Wang , Nailong Liu , Wenfei Yang , Tianzhu Zhang

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…

计算机视觉与模式识别 · 计算机科学 2021-07-07 Lifa Zhu , Dongrui Liu , Changwei Lin , Rui Yan , Francisco Gómez-Fernández , Ninghua Yang , Ziyong Feng

Rigid registration of point clouds is a fundamental problem in computer vision with many applications from 3D scene reconstruction to geometry capture and robotics. If a suitable initial registration is available, conventional methods like…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Ludwig Mohr , Ismail Geles , Friedrich Fraundorfer

Quantification of uncertainty in point cloud matching is critical in many tasks such as pose estimation, sensor fusion, and grasping. Iterative closest point (ICP) is a commonly used pose estimation algorithm which provides a point estimate…

机器人学 · 计算机科学 2021-12-24 Fahira Afzal Maken , Fabio Ramos , Lionel Ott

We introduce Rectified Point Flow, a unified parameterization that formulates pairwise point cloud registration and multi-part shape assembly as a single conditional generative problem. Given unposed point clouds, our method learns a…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Tao Sun , Liyuan Zhu , Shengyu Huang , Shuran Song , Iro Armeni

A key technical challenge in performing 6D object pose estimation from RGB-D image is to fully leverage the two complementary data sources. Prior works either extract information from the RGB image and depth separately or use costly…

计算机视觉与模式识别 · 计算机科学 2019-01-16 Chen Wang , Danfei Xu , Yuke Zhu , Roberto Martín-Martín , Cewu Lu , Li Fei-Fei , Silvio Savarese

Point cloud completion aims to reconstruct complete 3D shapes from partial 3D point clouds. With advancements in deep learning techniques, various methods for point cloud completion have been developed. Despite achieving encouraging…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Qiuxia Wu , Haiyang Huang , Kunming Su , Zhiyong Wang , Kun Hu