Infrared and Laser Engineering, Volume. 50, Issue 9, 20200369(2021)
Interpolation-based filtering with segmentation for airborne LiDAR point clouds
Figures & Tables(10)
Fig. 5. Total errors of the proposed method against and the 15 filtering algorithms
Fig. 6. Filtering results of the proposed method on samp11, samp21, samp51 and samp52
Fig. 8. (a) Reference data and interpolated DEMs of (b) proposed method, (c) MHC, (d) PMF, (e) PTD and (f) CSF on s2
Table 1. Optimized parameters and filtering accuracy of the proposed method on the 15 samples
View tableView in ArticleTable 1. Optimized parameters and filtering accuracy of the proposed method on the 15 samples
Sample Optimized parameters Accuracy measures ws/m θth/rad rth/m h/m dth/m T.I T.II T.E. κ 11 16 0.1 0.3 3 0.7 9.02% 10.69% 9.73% 80.15% 12 16 0.1 0.25 2 0.3 2.01% 3.08% 2.53% 94.93% 21 16 0.1 0.1 2 0.2 0.33% 3.13% 0.95% 97.23% 22 28 0.1 0.1 2 0.4 1.47% 8.16% 3.55% 91.61% 23 20 0.1 0.2 3 0.35 3.05% 5.74% 4.32% 91.33% 24 25 0.1 0.1 2 0.35 3.24% 8.65% 4.73% 88.38% 31 23 0.1 0.2 4 0.1 0.44% 1.20% 0.79% 98.40% 41 26 0.1 0.2 3 0.4 2.32% 2.58% 2.45% 95.11% 42 30 0.1 0.05 3 0.35 0.80% 0.77% 0.78% 98.13% 51 15 0.1 0.1 4 0.3 1.11% 4.11% 1.73% 94.92% 52 19 0.1 0.1 6 0.41 1.11% 17.10% 2.79% 84.63% 53 6 0.25 0.4 3 0.33 1.20% 37.87% 2.68% 63.79% 54 16 0.1 0.25 2 0.4 1.31% 3.36% 2.41% 95.17% 61 6 0.3 0.2 2 0.7 0.77% 7.05% 0.98% 86.19% 71 21 0.1 0.05 3 0.6 0.73% 6.33% 1.36% 93.20% Average 1.93% 7.99% 2.79% 90.21% Median 1.20% 5.74% 2.45% 93.20% STD 2.15% 9.27% 2.28% 9.00%
Table 2. Filtering accuracy of the proposed method against the 4 filtering algorithms
View tableView in ArticleTable 2. Filtering accuracy of the proposed method against the 4 filtering algorithms
Method CSF PTD PMF MHC Proposed Accuracy measure Total Kappa Total Kappa Total Kappa Total Kappa Total Kappa s1 10.38% 67.67% 7.44% 75.49% 7.43% 74.41% 7.44% 76.29% 3.91% 92.15% s2 14.21% 65.09% 7.30% 82.87% 8.03% 81.04% 5.06% 88.20% 2.95% 93.19% s3 15.95% 68.25% 5.40% 89.20% 3.85% 92.31% 4.19% 91.61% 3.19% 93.61% Average 13.51% 69.21% 6.71% 83.07% 6.44% 85.79% 5.56% 84.77% 3.55% 92.62%
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Bingtao Chang, Chuanfa Chen, Jiaojiao Guo, Huiming Wu. Interpolation-based filtering with segmentation for airborne LiDAR point clouds[J]. Infrared and Laser Engineering, 2021, 50(9): 20200369
Paper Information
Category: Lasers & Laser optics
Received: Dec. 20, 2020
Accepted: --
Published Online: Oct. 28, 2021
The Author Email: Chen Chuanfa (chencf@sdust.edu.cn)
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