Review on Airborne LiDAR Point Cloud Filtering

Zhenyang Hui; Penggen Cheng; Yunlan Guan; Yunju Nie

doi:10.3788/LOP55.060001

Laser & Optoelectronics Progress, Volume. 55, Issue 6, 060001(2018)

Review on Airborne LiDAR Point Cloud Filtering

Zhenyang Hui1,1; ... Penggen Cheng1,1; 2*; *; , Yunlan Guan1,2,1; 2; and Yunju Nie1,1; |Show fewer author(s)

Author Affiliations

¹ Faculty of Geomatics, East China University of Technology, Nanchang, Jiangxi 330013, China

² Key Laboratory of Watershed Ecology and Geographical Environment Monitoring, National Administration of Surveying, Mapping and Geoinformation, Nanchang, Jiangxi 330013, China

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Figures & Tables(5)

Fig. 1. Sketch map of morphological filtering process. (a) Two-dimensional surface; (b) morphological erosion operation; (c) morphological dilation operation; (d) point cloud filtering result

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Fig. 2. Sketch map of experimental data. (a) Sketch map of S11; (b) sketch map of S12

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Fig. 3. Total error comparison of 15 sample data sets

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Fig. 4. Comparison of three types of errors

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Table 1. Sample data features

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Table 1. Sample data features

Location	Site	Sample No.	Features
Urban area	1	1112	Steep slopes, dense vegetation,data gaps, and buildings on hillsides
	2	21222324	Irregular buildings, road networks,tunnels, bridges, and road networks
	3	31	Dense buildings surrounded by vegetation,data gaps, and mixture of high and low objects
	4	4142	Railway station with trains,data gaps, and dense points
Forest area	5	51525354	Steep slopes with vegetation,data gaps, and terrain discontinuity
	6	61	Buildings, embankments, data gaps, and roads
	7	71	Bridges, embankments, underpasses, and roads

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Zhenyang Hui, Penggen Cheng, Yunlan Guan, Yunju Nie. Review on Airborne LiDAR Point Cloud Filtering[J]. Laser & Optoelectronics Progress, 2018, 55(6): 060001

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