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• W2973135792 endingPage "107047" @default.
• W2973135792 startingPage "107047" @default.
• W2973135792 abstract "Abstract Ground filtering is an inevitable step of processing the Light detection and ranging-acquired point clouds. Our objective was to evaluate the performance of six filtering algorithms. The point clouds filtering and vertical accuracy were evaluated qualitatively, quantitatively and by comparison with a GNSS survey. All tested algorithms achieved good results but their performance was affected by the terrain slope and vegetation cover. Algorithms performed better in forests than in steppes with a high density of low vegetation. The performance of all algorithms decreased with slopes over 15°. Our results show that some algorithms tended to cause Type I error while others tended more to the Type II error. Furthermore, for some algorithms this tendency depended on the vegetation and terrain character. The Progressive Triangulated Irregular Network algorithm provided overall well-balanced results in all environments. We propose that software developers should provide users with recommendations of optimal parameters for individual environments." @default.
• W2973135792 created "2019-09-19" @default.
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• W2973135792 date "2020-01-01" @default.
• W2973135792 modified "2023-09-23" @default.
• W2973135792 title "Assessment of LiDAR ground filtering algorithms for determining ground surface of non-natural terrain overgrown with forest and steppe vegetation" @default.
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• W2973135792 doi "https://doi.org/10.1016/j.measurement.2019.107047" @default.
• W2973135792 hasPublicationYear "2020" @default.
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