Underwater hyperspectral imaging: a new tool for marine archaeology
Journal article, Peer reviewed
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OriginalversjonApplied Optics. 2018, 57 (12), 3214-3223. 10.1364/AO.57.003214
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.