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Digital deforestation: Comparing automated approaches to the production of digital terrain models (DTMs) in Agisoft Metashape
Howland, Matthew D. Tamberino, Anthony Liritzis, Ioannis Levy, Thomas E.
Howland, Matthew D.
Tamberino, Anthony
Liritzis, Ioannis
Levy, Thomas E.
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2022-01-14
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Article
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Keywords
Photogrammetry,DTM,GIS,IBM
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Citation
Howland, M. D., Tamberino, A., Liritzis, I., & Levy, T. E. (2022). Digital Deforestation: Comparing Automated Approaches to the Production of Digital Terrain Models (DTMs) in Agisoft Metashape. Quaternary, 5(1), 5. https://doi.org/10.3390/quat5010005
Abstract
This paper tests the suitability of automated point cloud classification tools provided by the popular image-based modeling (IBM) software package Agisoft Metashape for the generation of digital terrain models (DTMs) at moderately-vegetated archaeological sites. DTMs are often required for various forms of archaeological mapping and analysis. The suite of tools provided by Agisoft are relatively user-friendly as compared to many point cloud classification algorithms and do not require the use of additional software. Based on a case study from the Mycenaean site of Kastrouli, Greece, the mostly-automated, geometric classification tool “Classify Ground Points” provides the best results and produces a quality DTM that is sufficient for mapping and analysis. Each of the methods tested in this paper can likely be improved through manual editing of point cloud classification.
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Description
This article belongs to the Special Issue Advances in Geoarchaeology and Cultural Heritage.
Author Contributions: Conceptualization, M.D.H.; Methodology, M.D.H. and A.T.; Investigation, M.D.H.; Writing—original draft preparation, M.D.H.; Writing—review and editing, M.D.H., A.T., I.L. and T.E.L.; Visualization, M.D.H.; Project administration, I.L. and T.E.L.; Funding acquisition, T.E.L. All authors have read and agreed to the published version of the manuscript.
Data Availability Statement: GIS data described in this article are available in a brief StoryMap: https://storymaps.arcgis.com/stories/39280437536b4c458817fa4aa5c0b541 (accessed on 19 November 2021). 3D datasets are available on request.
Author Contributions: Conceptualization, M.D.H.; Methodology, M.D.H. and A.T.; Investigation, M.D.H.; Writing—original draft preparation, M.D.H.; Writing—review and editing, M.D.H., A.T., I.L. and T.E.L.; Visualization, M.D.H.; Project administration, I.L. and T.E.L.; Funding acquisition, T.E.L. All authors have read and agreed to the published version of the manuscript.
Data Availability Statement: GIS data described in this article are available in a brief StoryMap: https://storymaps.arcgis.com/stories/39280437536b4c458817fa4aa5c0b541 (accessed on 19 November 2021). 3D datasets are available on request.
Publisher
Multidisciplinary Digital Publishing Institute
Journal
Quaternary
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Digital Collection
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Archival Collection
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ISSN
2571-550X