Xiaoyu Liu, Juqing Zhang, Nian Liu, Yuhao Che, Chuanshuai Zhang. Urban Road Extraction Based on Morphological Filtering and Trajectory Detection[J]. Laser & Optoelectronics Progress, 2022, 59(10): 1001002
- Laser & Optoelectronics Progress
- Vol. 59, Issue 10, 1001002 (2022)
Fig. 1. Technical route
Fig. 2. Schematic diagram of point cloud normal vector clustering
Fig. 3. Schematic diagram of scanning detection
Fig. 4. Schematic diagram of continuous distribution type
Fig. 5. Original point cloud data. (a) Experimental area 1; (b) experimental area 2
Fig. 6. Ground filtering results. (a) Original algorithm results (experimental area 1); (b) results of proposed algorithm (experimental area 1); (c) original algorithm results (experimental area 2); (d) results of proposed algorithm (experimental area 2)
Fig. 7. Road boundary extraction results. (a) Fine extraction of boundary points; (b) road boundary after fitting
Fig. 8. Road extraction results. (a) Road point cloud; (b) road point cloud in raw data
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Table 1. Comparison of ground filtering algorithms
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Table 2. Accuracy of road boundary extraction
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Table 3. Detection accuracy of road boundary line
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