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Advancing landscape characterisation: a comparative study of machine learning and manual classification methods

Huang, T., Griffiths, G., Huang, B., Zhu, J., Warnock, S. and Lukac, M. ORCID: https://orcid.org/0000-0002-8535-6334 (2025) Advancing landscape characterisation: a comparative study of machine learning and manual classification methods. Ecological Informatics, 90. 103349. ISSN 1574-9541

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To link to this item DOI: 10.1016/j.ecoinf.2025.103349

Abstract/Summary

This study evaluates and compares three automated classification methods for Landscape Character Assessment (LCA) to assess their suitability for consistent, objective, and scalable mapping. We applied One-pass Multi-view Clustering (OPMC), Self-Organising Feature Map clustering (SOFM), and Swin Transformer Segmentation Clustering (STSC) to classify Landscape Character Types in Bannau Brycheiniog National Park, Wales, UK. Their outputs were compared against an expert-based manual classification (EBMC) using pixel-by-pixel accuracy assessment. To interpret model outputs, we used SHapley Additive exPlanations analysis to quantify the influence of key landscape character elements on classification outcomes. STSC showed the highest agreement with EBMC, followed by SOFM and OPMC. Across all models, geology, historic landscape, and soil type were the most influential variables, while habitat and landform contributed less. The automated methods demonstrated strong spatial coherence and boundary delineation comparable to expert-based mapping. Our findings demonstrate the potential of automated approaches to improve the consistency, efficiency, and objectivity of LCA and support their integration into scalable landscape characterisation frameworks for planning and management applications. Source code and datasets are available on GitHub (https://github.com/TingtingHwang/BBNP_LCA).

Item Type:Article
Refereed:Yes
Divisions:Life Sciences > School of Agriculture, Policy and Development > Department of Sustainable Land Management > Centre for Agri-environmental Research (CAER)
ID Code:123788
Publisher:Elsevier

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