Pengpeng LI, Yongqiang LI, Lailiang CAI, Yahan DONG, Huilong FAN. Road Green Belt Extraction and Dynamic Analysis based on Vehicle LiDAR Points Cloud [J]. Journal of Geo-information Science, 2020, 22(2): 268
- Journal of Geo-information Science
- Vol. 22, Issue 2, 268 (2020)
Fig. 1. Flowchart of green belt extraction and objects classification
Fig. 2. Improved mathematical morphological filtering algorithms
Fig. 3. Ground points and low ground objects extraction results
Fig. 4. Elevation extraction and echo strength histogram
Fig. 5. Points cloud clustering and green belt extraction result
Fig. 6. Typical low ground objects' points clouds
Fig. 7. Classification of low ground objects in the green belt
Fig. 8. Raw points cloud data of the experiment area
Fig. 9. Overall and partial extraction results of green belts
Fig. 10. Overall and partial classification results of green belts
Fig. 11. Map of local landform change in the green belts
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Table 1. Top and bottom projections of three typical features
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Table 2. Comparing the results of calculating greenbelt area by the two methods
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Table 3. Comparison of the numbers of various feature types
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Table 4. Comparison of overall information of the green belts
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Table 5. Comparison of physical information in the green belts
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