Archaeological Site Detection: Latest Results from a Deep Learning Based Europe Wide Hillfort Search

The increasing availability and resolution of LiDAR data are revolutionizing landscape archaeology, enabling unprecedented large-scale studies. However, the time-intensive nature of manual analysis has posed significant challenges. This research tackles the complexities of large-scale archaeological...

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Main Authors: Jürgen Landauer, Simon Maddison, Giacomo Fontana, Axel G. Posluschny
Format: Article
Language:English
Published: Ubiquity Press 2025-01-01
Series:Journal of Computer Applications in Archaeology
Subjects:
Online Access:https://account.journal.caa-international.org/index.php/up-j-jcaa/article/view/178
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author Jürgen Landauer
Simon Maddison
Giacomo Fontana
Axel G. Posluschny
author_facet Jürgen Landauer
Simon Maddison
Giacomo Fontana
Axel G. Posluschny
author_sort Jürgen Landauer
collection DOAJ
description The increasing availability and resolution of LiDAR data are revolutionizing landscape archaeology, enabling unprecedented large-scale studies. However, the time-intensive nature of manual analysis has posed significant challenges. This research tackles the complexities of large-scale archaeological site detection by integrating Artificial Intelligence (AI) with LiDAR data, focusing on hillforts across diverse European landscapes. A semi-automated workflow employing Convolutional Neural Networks (CNNs) was developed and tested across three regions – England, Hesse (Germany), and Molise (Italy) – covering a total area of 180,000 km2. The methodology utilized the Atlas of Hillforts of Britain and Ireland to train a CNN on LiDAR datasets and tested the model’s transferability to Germany and Italy. Techniques such as pseudo-labelling and fine-tuning addressed the “Model Drift” problem, improving region-specific performance. The AI classifier achieved F1 scores ranging from 34–38%, demonstrating its adaptability to diverse landscapes, including the Mediterranean terrain of Molise and Hesse’s densely forested regions. Case studies identified new potential hillforts in England and promising candidates in Hesse and Molise, underscoring the effectiveness of the approach. While automation significantly reduces manual workload, human verification remains critical for refining AI predictions and addressing false positives. This study also applies different expert validation workflows, emphasizing their efficiency and adaptability to regional differences. By combining automated detection with expert review, the research showcases the potential for scalable, AI-assisted archaeological discovery across diverse landscapes, providing a valuable tool for academic research and heritage management.
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spelling doaj-art-9fb67cc943074da9a511be530a71f91d2025-02-11T05:35:40ZengUbiquity PressJournal of Computer Applications in Archaeology2514-83622025-01-018142–5842–5810.5334/jcaa.178176Archaeological Site Detection: Latest Results from a Deep Learning Based Europe Wide Hillfort SearchJürgen Landauer0https://orcid.org/0000-0002-4426-2657Simon Maddison1https://orcid.org/0000-0001-6011-5983Giacomo Fontana2https://orcid.org/0000-0001-5006-6604Axel G. Posluschny3https://orcid.org/0000-0002-2402-3456Landauer Research, LudwigsburgUniversity College LondonTexas Tech UniversityKeltenwelt am Glauberg, GlauburgThe increasing availability and resolution of LiDAR data are revolutionizing landscape archaeology, enabling unprecedented large-scale studies. However, the time-intensive nature of manual analysis has posed significant challenges. This research tackles the complexities of large-scale archaeological site detection by integrating Artificial Intelligence (AI) with LiDAR data, focusing on hillforts across diverse European landscapes. A semi-automated workflow employing Convolutional Neural Networks (CNNs) was developed and tested across three regions – England, Hesse (Germany), and Molise (Italy) – covering a total area of 180,000 km2. The methodology utilized the Atlas of Hillforts of Britain and Ireland to train a CNN on LiDAR datasets and tested the model’s transferability to Germany and Italy. Techniques such as pseudo-labelling and fine-tuning addressed the “Model Drift” problem, improving region-specific performance. The AI classifier achieved F1 scores ranging from 34–38%, demonstrating its adaptability to diverse landscapes, including the Mediterranean terrain of Molise and Hesse’s densely forested regions. Case studies identified new potential hillforts in England and promising candidates in Hesse and Molise, underscoring the effectiveness of the approach. While automation significantly reduces manual workload, human verification remains critical for refining AI predictions and addressing false positives. This study also applies different expert validation workflows, emphasizing their efficiency and adaptability to regional differences. By combining automated detection with expert review, the research showcases the potential for scalable, AI-assisted archaeological discovery across diverse landscapes, providing a valuable tool for academic research and heritage management.https://account.journal.caa-international.org/index.php/up-j-jcaa/article/view/178landscape archaeologyautomated detectionhillfortslidarmachine learning
spellingShingle Jürgen Landauer
Simon Maddison
Giacomo Fontana
Axel G. Posluschny
Archaeological Site Detection: Latest Results from a Deep Learning Based Europe Wide Hillfort Search
Journal of Computer Applications in Archaeology
landscape archaeology
automated detection
hillforts
lidar
machine learning
title Archaeological Site Detection: Latest Results from a Deep Learning Based Europe Wide Hillfort Search
title_full Archaeological Site Detection: Latest Results from a Deep Learning Based Europe Wide Hillfort Search
title_fullStr Archaeological Site Detection: Latest Results from a Deep Learning Based Europe Wide Hillfort Search
title_full_unstemmed Archaeological Site Detection: Latest Results from a Deep Learning Based Europe Wide Hillfort Search
title_short Archaeological Site Detection: Latest Results from a Deep Learning Based Europe Wide Hillfort Search
title_sort archaeological site detection latest results from a deep learning based europe wide hillfort search
topic landscape archaeology
automated detection
hillforts
lidar
machine learning
url https://account.journal.caa-international.org/index.php/up-j-jcaa/article/view/178
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AT simonmaddison archaeologicalsitedetectionlatestresultsfromadeeplearningbasedeuropewidehillfortsearch
AT giacomofontana archaeologicalsitedetectionlatestresultsfromadeeplearningbasedeuropewidehillfortsearch
AT axelgposluschny archaeologicalsitedetectionlatestresultsfromadeeplearningbasedeuropewidehillfortsearch