Multispectral Images Classification Applied to the Identification of Archaeological Remains: a Post-Dictive Perspective

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Dokumentart: ConferencePaper
Date: 2023-10-31
Language: English
Faculty: 5 Philosophische Fakultät
Department: Archäologie
DDC Classifikation: 930 - History of ancient world to ca. 499
Keywords: Archäologie
Other Keywords:
pixel-based classification, OBIA, volcanic environment
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Automated and semi-automated image classifications have made their way into archaeological applications, but early attempts have been strongly criticized. This study examines semi-automated detection methods of archaeological evidence through a comparison of pixel-based and object-oriented data classification. This research has been carried out on high-resolution imagery (WorldView-2) and the selected case study is located on the western slope of Etna (Sicily), the highest volcano in Europe, where a huge variety of settlements can be found from Prehistoric to Medieval times. The methodology of both pixel-based and object-based data classification is described and discussed over to specific case-study. The different nature of the two methods combined with the post-dictive approach adopted provides useful results in order to determine robustness and weakness of techniques presented here. In fact, our goal is to analyze advantages and disadvantages of the usage of pixel and object-based classification techniques and shed light on the significant change in pattern recognition. Finally, the obtained data are compared with manual visual interpretations and analyzed in terms of their accuracy.

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