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Laser & Optoelectronics Progress, Volume. 55, Issue 6, 060001(2018)

Review on Airborne LiDAR Point Cloud Filtering

Zhenyang Hui1、1; , Penggen Cheng1、1; 2*; *; , Yunlan Guan1,2、1; 2; , and Yunju Nie1、1;
Author Affiliations
  • 1 Faculty of Geomatics, East China University of Technology, Nanchang, Jiangxi 330013, China
  • 2 Key Laboratory of Watershed Ecology and Geographical Environment Monitoring, National Administration of Surveying, Mapping and Geoinformation, Nanchang, Jiangxi 330013, China
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    Sketch map of morphological filtering process. (a) Two-dimensional surface; (b) morphological erosion operation; (c) morphological dilation operation; (d) point cloud filtering result

    Fig. 1. Sketch map of morphological filtering process. (a) Two-dimensional surface; (b) morphological erosion operation; (c) morphological dilation operation; (d) point cloud filtering result

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    Sketch map of experimental data. (a) Sketch map of S11; (b) sketch map of S12

    Fig. 2. Sketch map of experimental data. (a) Sketch map of S11; (b) sketch map of S12

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    Total error comparison of 15 sample data sets

    Fig. 3. Total error comparison of 15 sample data sets

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    Comparison of three types of errors

    Fig. 4. Comparison of three types of errors

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    • Table 1. Sample data features

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      Table 1. Sample data features

      LocationSiteSample No.Features
      Urban area11112Steep slopes, dense vegetation,data gaps, and buildings on hillsides
      221222324Irregular buildings, road networks,tunnels, bridges, and road networks
      331Dense buildings surrounded by vegetation,data gaps, and mixture of high and low objects
      44142Railway station with trains,data gaps, and dense points
      Forest area551525354Steep slopes with vegetation,data gaps, and terrain discontinuity
      661Buildings, embankments, data gaps, and roads
      771Bridges, embankments, underpasses, and roads
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    Zhenyang Hui, Penggen Cheng, Yunlan Guan, Yunju Nie. Review on Airborne LiDAR Point Cloud Filtering[J]. Laser & Optoelectronics Progress, 2018, 55(6): 060001

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    Paper Information

    Category: Reviews

    Received: Oct. 26, 2017

    Accepted: --

    Published Online: Apr. 9, 2019

    The Author Email: Penggen Cheng ( pgcheng1964@163.com)

    DOI:10.3788/LOP55.060001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology