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Attribute Filtering of Urban Point Clouds Using Max-Tree on Voxel Data

  • Florent GuiotteEmail author
  • Sébastien Lefèvre
  • Thomas Corpetti
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11564)

Abstract

This paper deals with morphological characterization of unstructured 3D point clouds issued from LiDAR data. A large majority of studies first rasterize 3D point clouds onto regular 2D grids and then use standard 2D image processing tools for characterizing data. In this paper, we suggest instead to keep the 3D structure as long as possible in the process. To this end, as raw LiDAR point clouds are unstructured, we first propose some voxelization strategies and then extract some morphological features on voxel data. The results obtained with attribute filtering show the ability of this process to efficiently extract useful information.

Keywords

Point clouds Max-tree Rasterization Voxel Attribute filtering 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Florent Guiotte
    • 1
    • 2
    Email author
  • Sébastien Lefèvre
    • 2
  • Thomas Corpetti
    • 1
  1. 1.Univ. Rennes 2, LETGRennesFrance
  2. 2.IRISAUniv. Bretagne SudVannesFrance

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