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Related papers: SPCNet: Stepwise Point Cloud Completion Network

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Point completion refers to completing the missing geometries of an object from incomplete observations. Main-stream methods predict the missing shapes by decoding a global feature learned from the input point cloud, which often leads to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Bingchen Gong , Yinyu Nie , Yiqun Lin , Xiaoguang Han , Yizhou Yu

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

Shape completion, the problem of inferring the complete geometry of an object given a partial point cloud, is an important problem in robotics and computer vision. This paper proposes the Graph Attention Shape Completion Network (GASCN), a…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Haojie Huang , Ziyi Yang , Robert Platt

Recent advances in mobile mapping systems have greatly enhanced the efficiency and convenience of acquiring urban 3D data. These systems utilize LiDAR sensors mounted on vehicles to capture vast cityscapes. However, a significant challenge…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Yu Feng , Yiming Xu , Yan Xia , Claus Brenner , Monika Sester

We tackle the problem of object completion from point clouds and propose a novel point cloud completion network employing an Asymmetrical Siamese Feature Matching strategy, termed as ASFM-Net. Specifically, the Siamese auto-encoder neural…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Yaqi Xia , Yan Xia , Wei Li , Rui Song , Kailang Cao , Uwe Stilla

Real scans always miss partial geometries of objects due to the self-occlusions, external-occlusions, and limited sensor resolutions. Point cloud completion aims to refer the complete shapes for incomplete 3D scans of objects. Current deep…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Yiming Ren , Peishan Cong , Xinge Zhu , Yuexin Ma

In this paper, we propose a novel network, SVDFormer, to tackle two specific challenges in point cloud completion: understanding faithful global shapes from incomplete point clouds and generating high-accuracy local structures. Current…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Zhe Zhu , Honghua Chen , Xing He , Weiming Wang , Jing Qin , Mingqiang Wei

In order to retain more feature information of local areas on a point cloud, local grouping and subsampling are the necessary data structuring steps in most hierarchical deep learning models. Due to the disorder nature of the points in a…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Luyang Li , Ligang He , Jinjin Gao , Xie Han

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…

Graphics · Computer Science 2025-09-30 Zhenyu Shu , Jian Yao , Shiqing Xin

Complex tubular structures are essential in medical imaging and computer-assisted diagnosis, where their integrity enhances anatomical visualization and lesion detection. However, existing segmentation algorithms struggle with structural…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Yaolei Qi , Yikai Yang , Wenbo Peng , Shumei Miao , Yutao Hu , Guanyu Yang

We propose a novel, end-to-end trainable, deep network called ParSeNet that decomposes a 3D point cloud into parametric surface patches, including B-spline patches as well as basic geometric primitives. ParSeNet is trained on a large-scale…

Computer Vision and Pattern Recognition · Computer Science 2020-09-23 Gopal Sharma , Difan Liu , Subhransu Maji , Evangelos Kalogerakis , Siddhartha Chaudhuri , Radomír Měch

Reconstructing 3D human body shapes from 3D partial textured scans remains a fundamental task for many computer vision and graphics applications -- e.g., body animation, and virtual dressing. We propose a new neural network architecture for…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Ahmet Serdar Karadeniz , Sk Aziz Ali , Anis Kacem , Elona Dupont , Djamila Aouada

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…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Vinit Sarode , Xueqian Li , Hunter Goforth , Yasuhiro Aoki , Rangaprasad Arun Srivatsan , Simon Lucey , Howie Choset

Point cloud completion aims to predict a complete shape in high accuracy from its partial observation. However, previous methods usually suffered from discrete nature of point cloud and unstructured prediction of points in local regions,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Peng Xiang , Xin Wen , Yu-Shen Liu , Yan-Pei Cao , Pengfei Wan , Wen Zheng , Zhizhong Han

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…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Qiuxia Wu , Haiyang Huang , Kunming Su , Zhiyong Wang , Kun Hu

Unpaired 3D object completion aims to predict a complete 3D shape from an incomplete input without knowing the correspondence between the complete and incomplete shapes. In this paper, we propose the novel KTNet to solve this task from the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-07 Zhen Cao , Wenxiao Zhang , Xin Wen , Zhen Dong , Yu-shen Liu , Xiongwu Xiao , Bisheng Yang

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

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

Segmentation of three-dimensional (3D) point clouds is an important task for autonomous systems. However, success of segmentation algorithms depends greatly on the quality of the underlying point clouds (resolution, completeness etc.). In…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Yigit Gurses , Melisa Taspinar , Mahmut Yurt , Sedat Ozer

Computer Aided Design (CAD), especially the feature-based parametric CAD, plays an important role in modern industry and society. However, the reconstruction of featured CAD model is more challenging than the reconstruction of other CAD…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Zhihao Zong , Fazhi He , Rubin Fan , Yuxin Liu