Section 10: Lidar Point Classification


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Section 10: Lidar Point Classification

  • Section 10: Lidar Point Classification


Outline

  • Example from One Commercial Data Classification Software Package

  • University of Texas at Austin Center for Space Research (CSR) Data Classification Software Examples

      • Copan Ruinas, Honduras
      • Austin, Texas
      • Matagorda Island, Texas Gulf Coast


Commercially Available Data Classification Software



Copan Ruinas, Honduras



UT CSR Data Classification



UT CSR Data Classification Research



Simplified Terrain and Building Extraction Methodology



Vegetation Extraction Methodology



Classification of Austin Data

    • Austin data used to develop CSR classification algorithms. These panels show the bald earth topography, the building masks, and the vegetation (tree) heights derived from LIDAR data of the northeast corner of the University campus. All elevations are HAE in meters


Data Classification



Data Classification Limitations



Low Topographic Relief

  • Above: Matagorda Island Wynn Ranch runway – all points, color-coded elevation image of 1-meter gridded data



Waveform Digitization




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