Xirui Ma, Yueqian Shen, Jinhu Wang, Teng Huang. Hierarchical Extraction Method for Street Lamp Point Cloud Considering Relative Distance[J]. Laser & Optoelectronics Progress, 2022, 59(22): 2228006
- Laser & Optoelectronics Progress
- Vol. 59, Issue 22, 2228006 (2022)
Fig. 1. Flow of street lamp hierarchical extraction method
Fig. 2. Schematic of the geometric relationship between the fitted circle of the projection surface of the lamp pole and the external square
Fig. 3. Raw point cloud data. (a) Data 1; (b) data 2; (c) data 3
Fig. 4. Extracted pole point cloud. (a) Data 1; (b) data 2; (c) data 3
Fig. 5. Extracted lamp burner point cloud. (a) Data 1; (b) data 2; (c) data 3
Fig. 6. Extracted entire street lamp point cloud. (a) Data 1; (b) data 2; (c) data 3
Fig. 7. Overlay of streetlights and original point cloud. (a) Street lamp overlay of data 1; (b) street lamp overlay of data 2 and enlarged view of wrongly extracted street lamp; (c) street lamp overlay of data 3 and enlarged view of missed extracted street lamp
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Table 1. Quantitative evaluation of street lamp extraction results of the proposed method
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Table 2. Quantitative evaluation of street lamp extraction results of method in Ref.[11]
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