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Alpha shape

Known as: Alpha shapes, Α-shape, Α-shapes 
In computational geometry, an alpha shape, or α-shape, is a family of piecewise linear simple curves in the Euclidean plane associated with the shape… 
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Related topics

Related topics

7 relations
Beta skeletonCGALConvex hullDelaunay triangulation

Broader (1)

Computational geometry

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2017
2017
Comprehensive approach for building outline extraction from LiDAR data with accent to a sparse laser scanning point cloud
The method of building outline extraction based on segmentation of airborne laser scanning data is proposed and tested on a… 
2014
2014
Topology-Driven Trajectory Synthesis with an Example on Retinal Cell Motions
We design a probabilistic trajectory synthesis algorithm for generating time-varying sequences of geometric configuration data… 
2013
2013
Multi-scale Geometric Modeling of Ambiguous Shapes with Toleranced Balls and Compoundly Weighted α-shapes ∗
Dealing with ambiguous data is a challenge in Science in general and geometry processing in particular. One route of choice to… 
2010
2010
Shape Reconstruction from Unorganized Set of Points
This paper deals with the problem of reconstructing shapes from an unorganized set of sample points (called S). First, we give an… 
2010
2010
Scalable and Robust Shepherding via Deformable Shapes
In this paper, we present a new motion planning strategy for shepherding in environments containing obstacles. This instance of… 
2008
2008
Recursive geometry of the flow complex and topology of the flow complex filtration
2007
2007
An efficient algorithm for three-dimensional β-complex and β-shape via a quasi-triangulation
The concept of a β-shape has been recently proposed by extending the concept of the well-known α-shape. Since the β-shape takes… 
2006
2006
Evaluation of Gamut Boundary Descriptors
Several techniques for the computation of gamut boundaries have been presented in the past. In this paper we take an in-depth… 
2005
2005
Estimation of Euler Characteristic from Point Data
Determination of the geometry and topology of a 3-dimensional body is an important problem appearing in Computer Aided Design… 
1997
1997
Reconstructing Surfaces and Functions on Surfaces from Unorganized Three-Dimensional Data
Abstract. Creating a computer model from an existing part is a common problem in reverse engineering. The part might be scanned… 
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