NDLI: Airborne LiDAR Point Cloud Processing for Archaeology. Pipeline and QGIS Toolbox

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Airborne LiDAR Point Cloud Processing for Archaeology. Pipeline and QGIS Toolbox

Content Provider	MDPI
Author	Benjamin, Štular Edisa, Lozić Eichert, Stefan
Copyright Year	2021
Description	The use of topographic airborne LiDAR data has become an essential part of archaeological prospection. However, as a step towards theoretically aware, impactful, and reproducible research, a more rigorous and transparent method of data processing is required. To this end, we set out to create a processing pipeline for archaeology-specific point cloud processing and derivation of products that are optimized for general-purpose data. The proposed pipeline improves on ground and building point cloud classification. The main area of innovation in the proposed pipeline is raster grid interpolation. We have improved the state-of-the-art by introducing a hybrid interpolation technique that combines inverse distance weighting with a triangulated irregular network with linear interpolation. State-of-the-art solutions for enhanced visualizations are included and essential metadata and paradata are also generated. In addition, we have introduced a QGIS plug-in that implements the pipeline as a one-step process. It reduces the manual workload by 75 to 90 percent and requires no special skills other than a general familiarity with the QGIS environment. It is intended that the pipeline and tool will contribute to the white-boxing of archaeology-specific airborne LiDAR data processing. In discussion, the role of data processing in the knowledge production process is explored.
Starting Page	3225
e-ISSN	20724292
DOI	10.3390/rs13163225
Journal	Remote Sensing
Issue Number	16
Volume Number	13
Language	English
Publisher	MDPI
Publisher Date	2021-08-13
Access Restriction	Open
Subject Keyword	Remote Sensing Airborne Lidar Airborne Laser Scanning Als Archaeology Point Cloud Processing Toolbox Open Source Qgis
Content Type	Text
Resource Type	Article

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