Laser & Optoelectronics Progress, Volume. 57, Issue 24, 242802(2020)

Impact of Plant Surface Features on 3D Laser Point Cloud

Wenbing Xu1,2 and Xiaojun Cheng1、*
Author Affiliations
  • 1College of Surveying and Geo-Informatics, Tongji University, Shanghai 200092, China
  • 2School of Environmental & Resource Sciences, Zhejiang A & F University, Hangzhou, Zhejiang 311300, China;
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    Figures & Tables(9)
    Influence of station distance on ranging accuracy of 3D laser scanner
    Average LiDAR data intensity of plants with different colors and roughnesses
    Difference of the average LiDAR data intensity of plants with different colors
    Difference of the average LiDAR data intensity with different roughnesses
    Images of walls point clouds with different colors. (a) Blue; (b) black; (c) red; (d) white; (e) green
    • Table 1. Plant objects observed and its features

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      Table 1. Plant objects observed and its features

      Observed objectColorRoughnessObserved objectColorRoughness
      Salix babylonica L.GreenSmoothUlmus pumilavar pendulaGreenRough
      Photinia serrulataRedSmoothPrunus cerasifera EhrhRedRough
      Selaginella uncinataBlueSmoothBlue wallBlueRough
      Michelia chapensis DandyBlackSmoothCaryaBlackRough
      Michelia alba DC.WhiteSmoothGinkgo biloba L.BlackRough
      Phyllostachys edulisGreenSmoothMoso bamboo shootBrownRough
    • Table 2. Coordinate and spatial error of the sampled laser point unit:mm

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      Table 2. Coordinate and spatial error of the sampled laser point unit:mm

      No.XYZ
      13799.353-8587.8391528.367
      23797.462-8578.2701527.036
      33796.244-8568.9791527.605
      43796.741-8587.7141519.758
      53799.593-8578.7001518.189
      63799.745-8569.9131518.526
      73799.684-8587.5841509.643
      83799.356-8578.4691509.250
      93798.167-8569.2511509.496
      Mean value3798.483-8578.5241518.652
      Reference value3796.700-8578.0001512.000
      Difference value1.783-0.5246.652
    • Table 3. LiDAR data intensity of plants with different colors and roughnesses

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      Table 3. LiDAR data intensity of plants with different colors and roughnesses

      Observed plantSurface featureAverage intensity
      Ulmus pumilavar pendulaGreen+rough1994
      Salix babylonica L.Green+smooth1964
      CaryaBlack+rough1383
      Michelia chapensis DandyBlack+smooth1475
      Prunus cerasifera EhrhRed+rough1408
      Photinia serrulataRed+smooth1139
      Blue wallBlue+rough1777
      Selaginella uncinataBlue+smooth1795
      Ginkgo biloba L.Black+rough1445
      Michelia alba DC.White+smooth3577
      Moso bamboo shootBrown+rough1766
      Phyllostachys edulisGreen+smooth2118
    • Table 4. Comparison of the color influence on LiDAR data intensity of plant and wall

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      Table 4. Comparison of the color influence on LiDAR data intensity of plant and wall

      Observed objectColors of surfaceAverage intensityIntensity difference
      Selaginella uncinataBlue1795-336
      Blue wallBlue2131
      Michelia chapensis DandyBlack1475-239
      Black wallBlack1714
      Photinia serrulataRed1139-695
      Red wallRed1834
      Michelia alba DC.White3577-1298
      White wallWhite4875
      Salix babylonica L.Green1964-1001
      Green wallGreen2965
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    Wenbing Xu, Xiaojun Cheng. Impact of Plant Surface Features on 3D Laser Point Cloud[J]. Laser & Optoelectronics Progress, 2020, 57(24): 242802

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    Paper Information

    Category: Remote Sensing and Sensors

    Received: Feb. 20, 2020

    Accepted: Mar. 12, 2020

    Published Online: Nov. 16, 2020

    The Author Email: Cheng Xiaojun (cxj@tongji.edu.cn)

    DOI:10.3788/LOP57.242802

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