O-snap: Optimization-based snapping for modeling architecture

M Arikan, M Schwärzler, S Flöry, M Wimmer… - ACM Transactions on …, 2013 - dl.acm.org
In this article, we introduce a novel reconstruction and modeling pipeline to create polygonal
models from unstructured point clouds. We propose an automatic polygonal reconstruction …

[图书][B] Effective computational geometry for curves and surfaces

JD Boissonnat, M Teillaud - 2007 - Springer
Computational geometry emerged as a discipline in the seventies and has had considerable
success in improving the asymptotic complexity of the solutions to basic geometric problems …

3D building roof reconstruction from airborne LiDAR point clouds: A framework based on a spatial database

R Cao, Y Zhang, X Liu, Z Zhao - International Journal of …, 2017 - Taylor & Francis
ABSTRACT Three-dimensional (3D) building models are essential for 3D Geographic
Information Systems and play an important role in various urban management applications …

Automatic building outline extraction from ALS point cloud data using generative adversarial network

G Kong, H Fan, G Lobaccaro - Geocarto International, 2022 - Taylor & Francis
The generation of building footprints from laser scanning point clouds or remote sensing
images involves three steps: segmentation, outline extraction and boundary regularization …

A non-parametric approach to shape reconstruction from planar point sets through Delaunay filtering

J Peethambaran, R Muthuganapathy - Computer-Aided Design, 2015 - Elsevier
In this paper, we present a fully automatic Delaunay based sculpting algorithm for
approximating the shape of a finite set of points S in R 2. The algorithm generates a relaxed …

Characterisation of the crack tip plastic zone in fatigue via synchrotron X‐ray diffraction

M Carrera, AS Cruces, JF Kelleher… - Fatigue & Fracture of …, 2022 - Wiley Online Library
This paper describes a new methodology for characterising the plastic zone ahead of a
fatigue crack. This methodology is applied to a set of experimental data obtained by …

Surface reconstruction from point clouds by transforming the medial scaffold

MC Chang, FF Leymarie, BB Kimia - Computer Vision and Image …, 2009 - Elsevier
We propose an algorithm for surface reconstruction from unorganized points based on a
view of the sampling process as a deformation from the original surface. In the course of this …

The conformal alpha shape filtration

J Giesen, F Cazals, M Pauly, A Zomorodian - The Visual Computer, 2006 - Springer
Conformal alpha shapes are a new filtration of the Delaunay triangulation of a finite set of
points in ℝ d. In contrast to (ordinary) alpha shapes the new filtration is parameterized by a …

Surface reconstruction from points

WY Chang - 2008 - escholarship.org
This report surveys recent techniques for reconstructing surfaces from points. We describe
four main ideas in the graphics literature: signed distance estimation, Voronoi-based …

α-shapes for local feature detection

C Varytimidis, K Rapantzikos, Y Avrithis, S Kollias - Pattern recognition, 2016 - Elsevier
Local image features are routinely used in state-of-the-art methods to solve many computer
vision problems like image retrieval, classification, or 3D registration. As the applications …