Optics and Precision Engineering, Volume. 31, Issue 3, 340(2023)
Multi-scale decomposition of point cloud data based on wavelet transform
Figures & Tables(22)
Fig. 10. Comparison of differences between different decomposition methods
Table 1. Statistic of wavelet method decomposition results
View tableView in ArticleTable 1. Statistic of wavelet method decomposition results
点云 点个数 均方差/mm 面维数 面维数差 体维数 体维数差 原始 1 073 591 0 1.156 1 0 -0.364 5 0 栅格 1 073 591 0 1.144 8 0.011 3 -0.362 8 0.001 7 采样1次 129 528 0.002 570 2 1.108 1 0.048 0 -0.369 1 0.004 6 采样2次 15 393 0.005 718 0 1.081 4 0.074 7 -0.391 1 0.026 6 采样3次 1 872 0.012 060 8 1.017 4 0.138 7 -0.405 2 0.040 7 采样4次 216 0.023 510 1 0.945 9 0.210 2 -0.640 2 0.275 7
Table 2. Statistics of random sampling decomposition results
View tableView in ArticleTable 2. Statistics of random sampling decomposition results
点云 点个数 均方差/mm 面维数 面维数差 体维数 体维数差 原始 1 073 591 0 1.156 1 0 -0.364 5 0 分解1次 128 831 0 1.146 8 0.009 3 -0.372 8 0.008 3 分解2次 15 460 0 1.072 6 0.083 5 -0.392 1 0.027 6 分解3次 1 855 0 1.012 1 0.144 0 -0.425 9 0.061 4
Table 3. Statistics of curvature sampling decomposition results
View tableView in ArticleTable 3. Statistics of curvature sampling decomposition results
点云 点个数 均方差/mm 面维数 面维数差 体维数 体维数差 原始 1 073 591 0 1.156 1 0 -0.364 5 0 分解1次 128 831 0 1.068 0 0.088 1 -0.353 9 0.010 6 分解2次 15 460 0 1.030 7 0.125 4 -0.366 3 0.011 8 分解3次 1 842 0 0.995 5 0.160 6 -0.442 2 0.077 7
Table 4. Statistics of scale spatial decomposition results
View tableView in ArticleTable 4. Statistics of scale spatial decomposition results
点云 点个数 均方差/mm 面维数 面维数差 体维数 体维数差 原始 1 073 591 0 1.156 1 0 -0.364 5 0 分解1次 128 831 0.002 075 84 1.091 1 0.065 0 -0.407 8 0.043 3 分解2次 15 460 0.002 070 13 1.081 1 0.075 0 -0.431 6 0.067 1 分解3次 1 855 0.002 014 68 1.008 8 0.147 3 -0.512 3 0.147 8
Table 5. Comparison of multiple decomposition registration error for wavelet method
View tableView in ArticleTable 5. Comparison of multiple decomposition registration error for wavelet method
分解次数 配准时间/s 配准均方根误差/mm 0（原始数据） 301.986 0.042 275 9 1 114.638 0.023 725 1 2 39.165 0.017 195 0 3 29.368 0.016 334 5
Table 6. Approximate scale of raster constrains the comparison of registration errors
View tableView in ArticleTable 6. Approximate scale of raster constrains the comparison of registration errors
分解次数 配准时间/s 配准均方根误差/mm 0（原始数据） 207.164 0.051 801 1 47.943 0.030 997 2 20.053 0.029 199 3 13.622 0.029 079
Table 7. Comparison of approximate scale constraint registration errors of blade edges
View tableView in ArticleTable 7. Comparison of approximate scale constraint registration errors of blade edges
分解次数 配准时间/s 配准均方根误差/mm 0（原始数据） 215.683 0.016 210 9 1 147.674 0.016 210 7 2 30.586 0.010 027 6 3 15.605 0.008 333 7
Tools
Get Citation
Copy Citation Text
Kaiyuan GAO, Lei LIU, Haihua CUI, Pengcheng LI, Xiaoxu LIU, Lin LIU. Multi-scale decomposition of point cloud data based on wavelet transform[J]. Optics and Precision Engineering, 2023, 31(3): 340
Paper Information
Category: Micro/Nano Technology and Fine Mechanics
Received: Jun. 29, 2022
Accepted: --
Published Online: Mar. 7, 2023
The Author Email: CUI Haihua (cuihh@nuaa.edu.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20