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(α, δ)-Sleeves for Reconstruction of Rectilinear Building Facets

  • Marc van Kreveld
  • Thijs van LankveldEmail author
  • Maarten de Rie
Chapter
Part of the Lecture Notes in Geoinformation and Cartography book series (LNGC)

Abstract

We introduce the concept of \((\alpha ,\delta )\)-sleeves as a variation on the well-known \(\alpha \)-shapes. The concept is used to develop a simple algorithm for constructing a rectilinear polygon inside a plane; such an algorithm can be used to delineate a building facet inside a single plane in 3D from a set of points obtained from LiDAR scanning. We explain the algorithm, analyse different parameter settings on artificial data, and show some results on LiDAR data.

Keywords

Ground Truth Sampling Density LiDAR Data Simple Polygon Coverage Region 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

This research has been supported by the GATE project, funded by the Netherlands Organization for Scientific Research (NWO) and the Netherlands ICT Research and Innovation Authority (ICT Regie).

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Marc van Kreveld
    • 1
  • Thijs van Lankveld
    • 1
    Email author
  • Maarten de Rie
    • 1
  1. 1.Department of Information and Computing SciencesUtrecht UniversityUtrechtThe Netherlands

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