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Related papers: Self-supervised Point Cloud Completion on Real Tra…

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Point completion refers to complete the missing geometries of objects from partial point clouds. Existing works usually estimate the missing shape by decoding a latent feature encoded from the input points. However, real-world objects are…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Yinyu Nie , Yiqun Lin , Xiaoguang Han , Shihui Guo , Jian Chang , Shuguang Cui , Jian Jun Zhang

This paper introduces Scene Completeness-Aware Depth Completion (SCADC) to complete raw lidar scans into dense depth maps with fine and complete scene structures. Recent sparse depth completion for lidars only focuses on the lower scenes…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Cho-Ying Wu , Ulrich Neumann

Point clouds are often sparse and incomplete, which imposes difficulties for real-world applications. Existing shape completion methods tend to generate rough shapes without fine-grained details. Considering this, we introduce a two-branch…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Xiaogang Wang , Marcelo H Ang , Gim Hee Lee

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…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Yanan Zhang , Di Huang , Yunhong Wang

Point cloud completion aims to recover the complete 3D shape of an object from partial observations. While approaches relying on synthetic shape priors achieved promising results in this domain, their applicability and generalizability to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Başak Melis Öcal , Maxim Tatarchenko , Sezer Karaoglu , Theo Gevers

Point cloud completion aims to recover partial geometric and topological shapes caused by equipment defects or limited viewpoints. Current methods either solely rely on the 3D coordinates of the point cloud to complete it or incorporate…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Feng Zhou , Qi Zhang , Ju Dai , Lei Li , Qing Fan , Junliang Xing

Semantic shape completion is a challenging problem in 3D computer vision where the task is to generate a complete 3D shape using a partial 3D shape as input. We propose a learning-based approach to complete incomplete 3D shapes through…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Swaminathan Gurumurthy , Shubham Agrawal

Scanning real-life scenes with modern registration devices typically give incomplete point cloud representations, mostly due to the limitations of the scanning process and 3D occlusions. Therefore, completing such partial representations…

Computer Vision and Pattern Recognition · Computer Science 2021-02-12 Przemysław Spurek , Artur Kasymov , Marcin Mazur , Diana Janik , Sławomir Tadeja , Łukasz Struski , Jacek Tabor , Tomasz Trzciński

Existing point cloud completion methods, which typically depend on predefined synthetic training datasets, encounter significant challenges when applied to out-of-distribution, real-world scans. To overcome this limitation, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 An Li , Zhe Zhu , Mingqiang Wei

Point cloud completion aims to reconstruct complete shapes from partial observations. Although current methods have achieved remarkable performance, they still have some limitations: Supervised methods heavily rely on ground truth, which…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Jingjing Lu , Huilong Pi , Yunchuan Qin , Zhuo Tang , Ruihui Li

Autonomous vehicles need a complete map of their surroundings to plan and act. This has sparked research into the tasks of 3D occupancy prediction, 3D scene completion, and 3D panoptic scene completion, which predict a dense map of the ego…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Nicola Marinello , Simen Cassiman , Jonas Heylen , Marc Proesmans , Luc Van Gool

Point cloud completion aims to recover complete 3D geometry from partial observations caused by limited viewpoints and occlusions. Existing learning-based works, including 3D Convolutional Neural Network (CNN)-based, point-based, and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Jiangyuan Liu , Yuhao Zhao , Hongxuan Ma , Zhe Liu , Jian Wang , Wei Zou

As a dynamic and essential component in the road environment of urban scenarios, vehicles are the most popular investigation targets. To monitor their behavior and extract their geometric characteristics, an accurate and instant measurement…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Yan Xia , Yusheng Xu , Cheng Wang , Uwe Stilla

Point cloud completion aims to infer a complete shape from its partial observation. Many approaches utilize a pure encoderdecoder paradigm in which complete shape can be directly predicted by shape priors learned from partial scans,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Zizhao Wu , Jian Shi , Xuan Deng , Cheng Zhang , Genfu Yang , Ming Zeng , Yunhai Wang

This paper presents a view-guided solution for the task of point cloud completion. Unlike most existing methods directly inferring the missing points using shape priors, we address this task by introducing ViPC (view-guided point cloud…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Xuancheng Zhang , Yutong Feng , Siqi Li , Changqing Zou , Hai Wan , Xibin Zhao , Yandong Guo , Yue Gao

Point cloud completion referring to completing 3D shapes from partial 3D point clouds is a fundamental problem for 3D point cloud analysis tasks. Benefiting from the development of deep neural networks, researches on point cloud completion…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Jun Wang , Ying Cui , Dongyan Guo , Junxia Li , Qingshan Liu , Chunhua Shen

Due to the scarcity of annotated scene flow data, self-supervised scene flow learning in point clouds has attracted increasing attention. In the self-supervised manner, establishing correspondences between two point clouds to approximate…

Computer Vision and Pattern Recognition · Computer Science 2021-05-19 Ruibo Li , Guosheng Lin , Lihua Xie

Depth completion from sparse LiDAR and high-resolution RGB data is one of the foundations for autonomous driving techniques. Current approaches often rely on CNN-based methods with several known drawbacks: flying pixel at depth…

Computer Vision and Pattern Recognition · Computer Science 2021-07-15 Dennis Teutscher , Patrick Mangat , Oliver Wasenmüller

Currently, robotic grasping methods based on sparse partial point clouds have attained a great grasping performance on various objects while they often generate wrong grasping candidates due to the lack of geometric information on the…

Robotics · Computer Science 2022-10-18 Wenkai Chen , Hongzhuo Liang , Zhaopeng Chen , Fuchun Sun , Jianwei Zhang

In the practical application of point cloud completion tasks, real data quality is usually much worse than the CAD datasets used for training. A small amount of noisy data will usually significantly impact the overall system's accuracy. In…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Jieqi Shi , Peiliang Li , Xiaozhi Chen , Shaojie Shen