中文
相关论文

相关论文: Point Cloud Completion by Learning Shape Priors

200 篇论文

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…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Jun Wang , Ying Cui , Dongyan Guo , Junxia Li , Qingshan Liu , Chunhua Shen

Point cloud completion task aims to predict the missing part of incomplete point clouds and generate complete point clouds with details. In this paper, we propose a novel point cloud completion network, namely CompleteDT. Specifically,…

计算机视觉与模式识别 · 计算机科学 2022-06-13 Jun Li , Shangwei Guo , Shaokun Han

Point clouds are often sparse and incomplete. Existing shape completion methods are incapable of generating details of objects or learning the complex point distributions. To this end, we propose a cascaded refinement network together with…

计算机视觉与模式识别 · 计算机科学 2020-06-08 Xiaogang Wang , Marcelo H Ang , Gim Hee Lee

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, as the upstream procedure of 3D recognition and segmentation, has become an essential part of many tasks such as navigation and scene understanding. While various point cloud completion models have demonstrated their…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Shengshan Hu , Junwei Zhang , Wei Liu , Junhui Hou , Minghui Li , Leo Yu Zhang , Hai Jin , Lichao Sun

In this paper we explore the recent topic of point cloud completion, guided by an auxiliary image. We show how it is possible to effectively combine the information from the two modalities in a localized latent space, thus avoiding the need…

计算机视觉与模式识别 · 计算机科学 2022-09-21 Emanuele Aiello , Diego Valsesia , Enrico Magli

This paper focuses on the recently popular task of point cloud completion guided by multimodal information. Although existing methods have achieved excellent performance by fusing auxiliary images, there are still some deficiencies,…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Wei Song , Jun Zhou , Mingjie Wang , Hongchen Tan , Nannan Li , Xiuping Liu

Point cloud completion aims to infer the complete geometries for missing regions of 3D objects from incomplete ones. Previous methods usually predict the complete point cloud based on the global shape representation extracted from the…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Xin Wen , Tianyang Li , Zhizhong Han , Yu-Shen Liu

In real-world scenarios, scanned point clouds are often incomplete due to occlusion issues. The tasks of self-supervised and weakly-supervised point cloud completion involve reconstructing missing regions of these incomplete objects without…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Lintai Wu , Xianjing Cheng , Yong Xu , Huanqiang Zeng , Junhui Hou

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

Point cloud completion aims at completing geometric and topological shapes from a partial observation. However, some topology of the original shape is missing, existing methods directly predict the location of complete points, without…

计算机视觉与模式识别 · 计算机科学 2022-04-01 Junshu Tang , Zhijun Gong , Ran Yi , Yuan Xie , Lizhuang Ma

Point cloud completion is a fundamental yet not well-solved problem in 3D vision. Current approaches often rely on 3D coordinate information and/or additional data (e.g., images and scanning viewpoints) to fill in missing parts. Unlike…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Zhe Zhu , Honghua Chen , Xing He , Mingqiang Wei

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

Point cloud completion is a generation and estimation issue derived from the partial point clouds, which plays a vital role in the applications in 3D computer vision. The progress of deep learning (DL) has impressively improved the…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Ben Fei , Weidong Yang , Wenming Chen , Zhijun Li , Yikang Li , Tao Ma , Xing Hu , Lipeng Ma

We propose a novel approach aimed at object and semantic scene completion from a partial scan represented as a 3D point cloud. Our architecture relies on three novel layers that are used successively within an encoder-decoder structure and…

计算机视觉与模式识别 · 计算机科学 2022-04-01 Yida Wang , David Joseph Tan , Nassir Navab , Federico Tombari

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…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Xiaogang Wang , Marcelo H Ang , Gim Hee Lee

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

Shape-Text matching is an important task of high-level shape understanding. Current methods mainly represent a 3D shape as multiple 2D rendered views, which obviously can not be understood well due to the structural ambiguity caused by…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Chuan Tang , Xi Yang , Bojian Wu , Zhizhong Han , Yi Chang

Recovering high-quality surfaces from irregular point cloud is ill-posed unless strong geometric priors are available. We introduce an implicit self-prior approach that distills a shape-specific prior directly from the input point cloud…

计算机视觉与模式识别 · 计算机科学 2025-11-13 Kyle Fogarty , Chenyue Cai , Jing Yang , Zhilin Guo , Cengiz Öztireli

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…

计算机视觉与模式识别 · 计算机科学 2020-10-16 Yinyu Nie , Yiqun Lin , Xiaoguang Han , Shihui Guo , Jian Chang , Shuguang Cui , Jian Jun Zhang