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We present a comprehensive survey and benchmark of both traditional and learning-based methods for surface reconstruction from point clouds. This task is particularly challenging for real-world acquisitions due to factors such as noise,…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Raphael Sulzer , Renaud Marlet , Bruno Vallet , Loic Landrieu

We propose an auto-encoding network architecture for point clouds (PC) capable of extracting shape signatures without supervision. Building on this, we (i) design a loss function capable of modelling data variance on PCs which are…

图像与视频处理 · 电气工程与系统科学 2019-08-06 Anjany Sekuboyina , Markus Rempfler , Alexander Valentinitsch , Maximilian Loeffler , Jan S. Kirschke , Bjoern H. Menze

Point cloud completion is an indispensable task for recovering complete point clouds due to incompleteness caused by occlusion, limited sensor resolution, etc. The family of coarse-to-fine generation architectures has recently exhibited…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Yi Rong , Haoran Zhou , Lixin Yuan , Cheng Mei , Jiahao Wang , Tong Lu

Surface reconstruction is a fundamental problem in 3D graphics. In this paper, we propose a learning-based approach for implicit surface reconstruction from raw point clouds without normals. Our method is inspired by Gauss Lemma in…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Dong Xiao , Siyou Lin , Zuoqiang Shi , Bin Wang

A key step in any scanning-based asset creation workflow is to convert unordered point clouds to a surface. Classical methods (e.g., Poisson reconstruction) start to degrade in the presence of noisy and partial scans. Hence, deep learning…

计算机视觉与模式识别 · 计算机科学 2024-02-14 Philipp Erler , Paul Guerrero , Stefan Ohrhallinger , Michael Wimmer , Niloy J. Mitra

We propose a level set method to reconstruct unknown surfaces from point clouds, without assuming that the connections between points are known. We consider a variational formulation with a curvature constraint that minimizes the surface…

数值分析 · 数学 2024-10-30 Silvia Preda , Matteo Semplice

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

Reconstructing geometric shapes from point clouds is a common task that is often accomplished by experts manually modeling geometries in CAD-capable software. State-of-the-art workflows based on fully automatic geometry extraction are…

While three-dimensional (3D) building models play an increasingly pivotal role in many real-world applications, obtaining a compact representation of buildings remains an open problem. In this paper, we present a novel framework for…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Zhaiyu Chen , Hugo Ledoux , Seyran Khademi , Liangliang Nan

Point cloud upsampling is crucial for tasks like 3D reconstruction. While existing methods rely on patch-based inputs, and there is no research discussing the differences and principles between point cloud model full input and patch based…

计算机视觉与模式识别 · 计算机科学 2025-12-04 Tongxu Zhang

Point cloud reconstruction from raw point cloud has been an important topic in computer graphics for decades, especially due to its high demand in modeling and rendering applications. An important way to solve this problem is establishing a…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Hui Tian , Kai Xu

We propose a level-set-based semi-Lagrangian method on graded adaptive Cartesian grids to address the problem of surface reconstruction from point clouds. The goal is to obtain an implicit, high-quality representation of real shapes that…

数值分析 · 数学 2026-03-26 Silvia Preda , Matteo Semplice

Point cloud shape completion is a challenging problem in 3D vision and robotics. Existing learning-based frameworks leverage encoder-decoder architectures to recover the complete shape from a highly encoded global feature vector. Though the…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Wenxiao Zhang , Qingan Yan , Chunxia Xiao

Surface reconstruction from an unorganized point cloud is an important problem due to its widespread applications. White noise, possibly clustered outliers, and noisy perturbation may be generated when a point cloud is sampled from a…

图形学 · 计算机科学 2017-11-13 Siu-Wing Cheng , Man-Kit Lau

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…

计算机视觉与模式识别 · 计算机科学 2023-10-05 Zhihao Zong , Fazhi He , Rubin Fan , Yuxin 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

Given partial objects and some complete ones as references, point cloud completion aims to recover authentic shapes. However, existing methods pay little attention to general shapes, which leads to the poor authenticity of completion…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Kaiyi Zhang , Ximing Yang , Yuan Wu , Cheng Jin

The common occurrence of occlusion-induced incompleteness in point clouds has made point cloud completion (PCC) a highly-concerned task in the field of geometric processing. Existing PCC methods typically produce complete point clouds from…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Jisheng Chu , Wenrui Li , Xingtao Wang , Kanglin Ning , Yidan Lu , Xiaopeng Fan

We propose a fast and accurate surface reconstruction algorithm for unorganized point clouds using an implicit representation. Recent learning methods are either single-object representations with small neural models that allow for high…

计算机视觉与模式识别 · 计算机科学 2025-06-11 Siddhant Ranade , Gonçalo Dias Pais , Ross Tyler Whitaker , Jacinto C. Nascimento , Pedro Miraldo , Srikumar Ramalingam

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…

图形学 · 计算机科学 2025-09-30 Zhenyu Shu , Jian Yao , Shiqing Xin