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Point cloud completion aims to recover raw point clouds captured by scanners from partial observations caused by occlusion and limited view angles. This makes it hard to recover details because the global feature is unlikely to capture the…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Songxue Gao , Chuanqi Jiao , Ruidong Chen , Weijie Wang , Weizhi Nie

3D point clouds directly collected from objects through sensors are often incomplete due to self-occlusion. Conventional methods for completing these partial point clouds rely on manually organized training sets and are usually limited to…

计算机视觉与模式识别 · 计算机科学 2025-01-27 Tianxin Huang , Zhiwen Yan , Yuyang Zhao , Gim Hee Lee

In view of the difficulty in reconstructing object details in point cloud completion, we propose a shape prior learning method for object completion. The shape priors include geometric information in both complete and the partial point…

计算机视觉与模式识别 · 计算机科学 2021-07-16 Xiaogang Wang , Marcelo H Ang , Gim Hee Lee

Point-cloud data collected in real-world applications are often incomplete. Data is typically missing due to objects being observed from partial viewpoints, which only capture a specific perspective or angle. Additionally, data can be…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Yoni Kasten , Ohad Rahamim , Gal Chechik

Point clouds captured by scanning devices are often incomplete due to occlusion. To overcome this limitation, point cloud completion methods have been developed to predict the complete shape of an object based on its partial input. These…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Lintai Wu , Qijian Zhang , Junhui Hou , Yong Xu

Point cloud completion aims to recover accurate global geometry and preserve fine-grained local details from partial point clouds. Conventional methods typically predict unseen points directly from 3D point cloud coordinates or use…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Jinpeng Yu , Binbin Huang , Yuxuan Zhang , Huaxia Li , Xu Tang , Shenghua Gao

Point cloud completion is the task of predicting complete geometry from partial observations using a point set representation for a 3D shape. Previous approaches propose neural networks to directly estimate the whole point cloud through…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Alexis Mendoza , Alexander Apaza , Ivan Sipiran , Cristian Lopez

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…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Xuancheng Zhang , Yutong Feng , Siqi Li , Changqing Zou , Hai Wan , Xibin Zhao , Yandong Guo , Yue Gao

Point cloud completion aims to reconstruct complete 3D shapes from partial observations, which is a challenging problem due to severe occlusions and missing geometry. Despite recent advances in multimodal techniques that leverage…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Wang Luo , Di Wu , Hengyuan Na , Yinlin Zhu , Miao Hu , Guocong Quan

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,…

计算机视觉与模式识别 · 计算机科学 2024-11-25 Zizhao Wu , Jian Shi , Xuan Deng , Cheng Zhang , Genfu Yang , Ming Zeng , Yunhai Wang

Single-view point cloud completion aims to recover the full geometry of an object based on only limited observation, which is extremely hard due to the data sparsity and occlusion. The core challenge is to generate plausible geometries to…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Bowen Zhang , Xi Zhao , He Wang , Ruizhen Hu

Point clouds captured in real-world applications are often incomplete due to the limited sensor resolution, single viewpoint, and occlusion. Therefore, recovering the complete point clouds from partial ones becomes an indispensable task in…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Xumin Yu , Yongming Rao , Ziyi Wang , Zuyan Liu , Jiwen Lu , Jie Zhou

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…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Başak Melis Öcal , Maxim Tatarchenko , Sezer Karaoglu , Theo Gevers

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

In this paper we study the task of a single-view image-guided point cloud completion. Existing methods have got promising results by fusing the information of image into point cloud explicitly or implicitly. However, given that the image…

计算机视觉与模式识别 · 计算机科学 2024-06-26 Aihua Mao , Yuxuan Tang , Jiangtao Huang , Ying He

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…

计算机视觉与模式识别 · 计算机科学 2026-01-28 Jiangyuan Liu , Yuhao Zhao , Hongxuan Ma , Zhe Liu , Jian Wang , Wei Zou

Faithfully reconstructing textured meshes is crucial for many applications. Compared to text or image modalities, leveraging 3D colored point clouds as input (colored-PC-to-mesh) offers inherent advantages in comprehensively and precisely…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Qiao Yu , Xianzhi Li , Yuan Tang , Xu Han , Jinfeng Xu , Long Hu , Min Chen

Point cloud completion, which aims at recovering original shape information from partial point clouds, has attracted attention on 3D vision community. Existing methods usually succeed in completion for standard shape, while failing to…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Junshu Tang , Jiachen Xu , Jingyu Gong , Haichuan Song , Yuan Xie , Lizhuang Ma

Point cloud completion aims to recover the completed 3D shape of an object from its partial observation caused by occlusion, sensor's limitation, noise, etc. When some key semantic information is lost in the incomplete point cloud, the…

计算机视觉与模式识别 · 计算机科学 2025-02-03 Zhanpeng Luo , Linna Wang , Guangwu Qian , Li Lu

The task of point cloud completion aims to predict the missing part for an incomplete 3D shape. A widely used strategy is to generate a complete point cloud from the incomplete one. However, the unordered nature of point clouds will degrade…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Xin Wen , Peng Xiang , Zhizhong Han , Yan-Pei Cao , Pengfei Wan , Wen Zheng , Yu-Shen Liu
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