Acta Optica Sinica, Volume. 39, Issue 2, 0228001(2019)

Classification of Airborne LiDAR Point Cloud Data Based on Multiscale Adaptive Features

Shujuan Yang1,2、*, Keshu Zhang2、*, and Yongshe Shao2
Author Affiliations
  • 1 University of Chinese Academy of Sciences, Beijing 100049, China
  • 2 Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China
  • show less
    Figures & Tables(13)
    Local space coordinate system of adjacent points
    Classification of bush area. (a) Large scale; (b) small scale
    Classification of building. (a) Large scale; (b) small scale
    Flowchart of multiscale adaptive-feature classification
    Experimental data
    Distribution of feature importance for different feature combinations
    Classification results of different feature sets. (a) Classical geometric statistical feature set; (b) PFH feature set; (c) combinational feature set
    Distribution of feature importance at different scales
    Classification results based on feature set with different scales. (a) Large scale; (b) small scale; (c) multiscale
    Classification results of C area based on feature set with different scales. (a) Large scale; (b) small scale; (c) multiscale
    Classification results of D area based on feature set with different scales. (a) Large scale; (b) small scale; (c) multiscale
    • Table 1. Classification accuracy for different feature sets

      View table

      Table 1. Classification accuracy for different feature sets

      CategoryClassification of classical geometric statistical feature set /%Classification of PFH feature set /%Classification of combinational feature set /%
      Ground93.2693.3293.43
      Vegetable91.5290.1291.65
      Building90.6492.4392.72
    • Table 2. Classification accuracy at different scales

      View table

      Table 2. Classification accuracy at different scales

      Scale /mClassification accuracy /%
      GroundVegetableBuilding
      0.1-1.095.8395.3694.86
      0.185.3386.2979.42
      0.392.6494.7582.32
      0.586.7289.6385.94
      0.882.5387.4989.87
      1.078.6882.6392.12
    Tools

    Get Citation

    Copy Citation Text

    Shujuan Yang, Keshu Zhang, Yongshe Shao. Classification of Airborne LiDAR Point Cloud Data Based on Multiscale Adaptive Features[J]. Acta Optica Sinica, 2019, 39(2): 0228001

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Remote Sensing and Sensors

    Received: May. 21, 2018

    Accepted: Jun. 17, 2018

    Published Online: May. 10, 2019

    The Author Email:

    DOI:10.3788/AOS201939.0228001

    Topics