Auflistung Fakultät für Bauingenieurwesen und Geodäsie nach Autor/in "2e076ede-7059-4750-9dd3-1f32b4abbe2c"

Auflistung Fakultät für Bauingenieurwesen und Geodäsie nach Autor/in "2e076ede-7059-4750-9dd3-1f32b4abbe2c"

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  • Comparison of three airborne laser bathymetry data sets for monitoring the German Baltic Sea Coast 
    Song, Yujin; Niemeyer, Joachim; Ellmer, Wilfried; Sörgel, Uwe; Heipke, Christian (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)
    Airborne laser bathymetry (ALB) can be used for hydrographic surveying with relative high resolution in shallow water. In this paper, we examine the applicability of this technique based on three flight campaigns. These ...
  • Conditional random fields for the classification of lidar point clouds 
    Niemeyer, Joachim; Mallet, C.; Rottensteiner, Franz; Sörgel, Uwe (Göttingen : Copernicus GmbH, 2011)
    In this paper we propose a probabilistic supervised classification algorithm for LiDAR (Light Detection And Ranging) point clouds. Several object classes (i.e. ground, building and vegetation) can be separated reliably by ...
  • Contextual classification of point clouds using a two-stage CRF 
    Niemeyer, Joachim; Rottensteiner, Franz; Sörgel, Uwe; Heipke, Christian (Göttingen : Copernicus GmbH, 2015)
    In this investigation, we address the task of airborne LiDAR point cloud labelling for urban areas by presenting a contextual classification methodology based on a Conditional Random Field (CRF). A two-stage CRF is set up: ...
  • Hierarchical higher order crf for the classification of airborne lidar point clouds in urban areas 
    Niemeyer, Joachim; Rottensteiner, Franz; Sörgel, Uwe; Heipke, Christian (Göttingen : Copernicus GmbH, 2016)
    We propose a novel hierarchical approach for the classification of airborne 3D lidar points. Spatial and semantic context is incorporated via a two-layer Conditional Random Field (CRF). The first layer operates on a point ...

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