Zhixiang Jiang, Xingsheng Deng, Chengbin Xing. Improved Scan Line Filtering Algorithm Based on Vertex Vector Angle[J]. Laser & Optoelectronics Progress, 2020, 57(23): 232801
- Laser & Optoelectronics Progress
- Vol. 57, Issue 23, 232801 (2020)
Fig. 1. Schematic of vertex vector angle
Fig. 2. Division result of scan line
Fig. 3. Flow chart of vertex vector angle-scan line filtering algorithm
Fig. 4. Filtering results of point cloud data in samp12 dataset xmin+20.0<x<xmin+20.5 after processing with different algorithms. (a) Before filtering; (b) traditional algorithm; (c) traditional algorithm reduces threshold; (d) proposed algorithm
Fig. 5. Filtering results of point cloud data in samp12 dataset xmin+15.0<x<xmin+15.5 after processing with different algorithms. (a) Before filtering; (b) traditional algorithm; (c) proposed algorithm
Fig. 6. Point cloud distribution after traditional algorithm filtering
Fig. 7. Point cloud distribution after proposed algorithm filtering
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Table 1. Errors of xmin+20.0<x<xmin+20.5 in samp12 dataset after processing by different algorithms
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Table 2. Errors of xmin+15.0<x<xmin+15.5 in samp12 dataset after processing by different algorithms
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Table 3. Error statistics of different algorithms processing different datasets
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