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Extraction of ground points from LiDAR data based on slope and progressive window thresholding (SPWT)

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Figure

Figure 1. Flowchart of the SPWT algorithm for filtering the LiDAR data
Table 1. Characteristics of the selected samples from the ISPRS dataset (Pingel et al., 2013)
Table 2. Parameter values in the SPWT algorithm for filtering the low resolution LiDAR dataset
Table 4. Total errors of the proposed method compared to other reported algorithms (%)Elmqvist Sohn Axelsson Pfeifer Brovelli Roggero Wack Sithole
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