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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…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Xin Wen , Peng Xiang , Zhizhong Han , Yan-Pei Cao , Pengfei Wan , Wen Zheng , Yu-Shen Liu

Point cloud completion concerns to predict missing part for incomplete 3D shapes. A common strategy is to generate complete shape according to incomplete input. However, unordered nature of point clouds will degrade generation of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Xin Wen , Peng Xiang , Zhizhong Han , Yan-Pei Cao , Pengfei Wan , Wen Zheng , Yu-Shen Liu

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…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Alexis Mendoza , Alexander Apaza , Ivan Sipiran , Cristian Lopez

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…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Ben Fei , Weidong Yang , Wenming Chen , Zhijun Li , Yikang Li , Tao Ma , Xing Hu , Lipeng Ma

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…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Tianxin Huang , Zhiwen Yan , Yuyang Zhao , Gim Hee Lee

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…

Computer Vision and Pattern Recognition · Computer Science 2020-06-08 Xiaogang Wang , Marcelo H Ang , Gim Hee Lee

In this paper, we propose a Point Fractal Network (PF-Net), a novel learning-based approach for precise and high-fidelity point cloud completion. Unlike existing point cloud completion networks, which generate the overall shape of the point…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Zitian Huang , Yikuan Yu , Jiawen Xu , Feng Ni , Xinyi Le

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…

Computer Vision and Pattern Recognition · Computer Science 2021-07-16 Xiaogang Wang , Marcelo H Ang , Gim Hee Lee

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…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Aihua Mao , Yuxuan Tang , Jiangtao Huang , Ying He

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…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Junshu Tang , Jiachen Xu , Jingyu Gong , Haichuan Song , Yuan Xie , Lizhuang Ma

Point cloud completion aims to recover the complete shape based on a partial observation. Existing methods require either complete point clouds or multiple partial observations of the same object for learning. In contrast to previous…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Ruikai Cui , Shi Qiu , Saeed Anwar , Jiawei Liu , Chaoyue Xing , Jing Zhang , Nick Barnes

Estimating the complete 3D point cloud from an incomplete one is a key problem in many vision and robotics applications. Mainstream methods (e.g., PCN and TopNet) use Multi-layer Perceptrons (MLPs) to directly process point clouds, which…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Haozhe Xie , Hongxun Yao , Shangchen Zhou , Jiageng Mao , Shengping Zhang , Wenxiu Sun

A generative model for high-fidelity point clouds is of great importance in synthesizing 3d environments for applications such as autonomous driving and robotics. Despite the recent success of deep generative models for 2d images, it is…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Cheng Wen , Baosheng Yu , Rao Fu , Dacheng Tao

The continual improvement of 3D sensors has driven the development of algorithms to perform point cloud analysis. In fact, techniques for point cloud classification and segmentation have in recent years achieved incredible performance…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Junming Zhang , Weijia Chen , Yuping Wang , Ram Vasudevan , Matthew Johnson-Roberson

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…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Guangshun Wei , Yuan Feng , Long Ma , Chen Wang , Yuanfeng Zhou , Changjian Li

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…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Yoni Kasten , Ohad Rahamim , Gal Chechik

In this paper, we tackle the challenging problem of point cloud completion from the perspective of feature learning. Our key observation is that to recover the underlying structures as well as surface details, given partial input, a…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Zejia Su , Haibin Huang , Chongyang Ma , Hui Huang , Ruizhen Hu

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…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Yida Wang , David Joseph Tan , Nassir Navab , Federico Tombari

Point cloud completion aims to recover a complete point shape from a partial point cloud. Although existing methods can form satisfactory point clouds in global completeness, they often lose the original geometry details and face the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Hongyu Yan , Zijun Li , Kunming Luo , Li Lu , Ping Tan

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
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