Underwater hyperspectral imaging: a new tool for marine archaeology

By applying an underwater hyperspectral imager (UHI) to a selection of archaeological artifacts, we have found spectral signatures that are representative of materials likely to be present at wreck sites. By successfully using the signatures to classify a subset of said artifacts placed on the seabe...

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Bibliographic Details
Published in:Applied optics (2004) 2018-04, Vol.57 (12), p.3214
Main Authors: Ødegård, Øyvind, Mogstad, Aksel Alstad, Johnsen, Geir, Sørensen, Asgeir J, Ludvigsen, Martin
Format: Article
Language:English
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Summary:By applying an underwater hyperspectral imager (UHI) to a selection of archaeological artifacts, we have found spectral signatures that are representative of materials likely to be present at wreck sites. By successfully using the signatures to classify a subset of said artifacts placed on the seabed at 61 m depth, we demonstrate that it is possible to detect archaeological objects of interest in UHI data acquired by a remotely operated vehicle. Correct UHI classification of rust and glass bottles in situ on a historical wreck site further supports the viability of the method for marine archaeological applications.
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.57.003214