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Underwater hyperspectral imaging: a new tool for marine archaeology

Ødegård, Øyvind; Mogstad, Aksel Alstad; Johnsen, Geir; Sørensen, Asgeir Johan; Ludvigsen, Martin
Journal article, Peer reviewed
Accepted version
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Ødegård (2.693Mb)
URI
http://hdl.handle.net/11250/2589380
Date
2018
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  • Institutt for arkeologi og kulturhistorie [176]
  • Institutt for biologi [2004]
  • Institutt for marin teknikk [2885]
  • Publikasjoner fra CRIStin - NTNU [26746]
Original version
Applied Optics. 2018, 57 (12), 3214-3223.   10.1364/AO.57.003214
Abstract
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.
Publisher
Optical Society of America
Journal
Applied Optics

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