Globally consistent normal orientation for point clouds by regularizing the winding-number field

R Xu, Z Dou, N Wang, S Xin, S Chen, M Jiang… - ACM Transactions on …, 2023 - dl.acm.org
Estimating normals with globally consistent orientations for a raw point cloud has many
downstream geometry processing applications. Despite tremendous efforts in the past …

Deep feature-preserving normal estimation for point cloud filtering

D Lu, X Lu, Y Sun, J Wang - Computer-Aided Design, 2020 - Elsevier
Point cloud filtering, the main bottleneck of which is removing noise (outliers) while
preserving geometric features, is a fundamental problem in 3D field. The two-step schemes …

Fast and robust normal estimation for point clouds with sharp features

A Boulch, R Marlet - Computer graphics forum, 2012 - Wiley Online Library
This paper presents a new method for estimating normals on unorganized point clouds that
preserves sharp features. It is based on a robust version of the Randomized Hough …

Robust segmentation in laser scanning 3D point cloud data

A Nurunnabi, D Belton, G West - … International Conference on …, 2012 - ieeexplore.ieee.org
Segmentation is a most important intermediate step in point cloud data processing and
understanding. Covariance statistics based local saliency features from Principal …

Robust normal estimation and region growing segmentation of infrastructure 3D point cloud models

A Khaloo, D Lattanzi - Advanced Engineering Informatics, 2017 - Elsevier
Modern remote sensing technologies such as three-dimensional (3D) laser scanners and
image-based 3D scene reconstruction are in increasing demand for applications in civil …

Geometry guided deep surface normal estimation

J Zhang, JJ Cao, HR Zhu, DM Yan, XP Liu - Computer-Aided Design, 2022 - Elsevier
We propose a geometry-guided neural network architecture for robust and detail-preserving
surface normal estimation for unstructured point clouds. Previous deep normal estimators …

Robust normal estimation for point clouds with sharp features

B Li, R Schnabel, R Klein, Z Cheng, G Dang, S Jin - Computers & Graphics, 2010 - Elsevier
This paper presents a novel technique for estimating normals on unorganized point clouds.
Methods from robust statistics are used to detect the best local tangent plane for each point …

Robust statistical approaches for local planar surface fitting in 3D laser scanning data

A Nurunnabi, D Belton, G West - ISPRS journal of photogrammetry and …, 2014 - Elsevier
This paper proposes robust methods for local planar surface fitting in 3D laser scanning
data. Searching through the literature revealed that many authors frequently used Least …

Normal estimation for 3D point clouds via local plane constraint and multi-scale selection

J Zhou, H Huang, B Liu, X Liu - Computer-Aided Design, 2020 - Elsevier
In this paper, we propose a normal estimation method for unstructured 3D point clouds. In
this method, a feature constraint mechanism called Local Plane Features Constraint (LPFC) …

Point cloud normal estimation via low-rank subspace clustering

J Zhang, J Cao, X Liu, J Wang, J Liu, X Shi - Computers & Graphics, 2013 - Elsevier
In this paper, we present a robust normal estimation algorithm based on the low-rank
subspace clustering technique. The main idea is based on the observation that compared …