Pansharpening of PRISMA products for archaeological prospection
CoRR(2024)
摘要
Hyperspectral data recorded from satellite platforms are often ill-suited for
geo-archaeological prospection due to low spatial resolution. The established
potential of hyperspectral data from airborne sensors in identifying
archaeological features has, on the other side, generated increased interest in
enhancing hyperspectral data to achieve higher spatial resolution. This
improvement is crucial for detecting traces linked to sub-surface
geo-archaeological features and can make satellite hyperspectral acquisitions
more suitable for archaeological research. This research assesses the usability
of pansharpened PRISMA satellite products in geo-archaeological prospections.
Three pan-sharpening methods (GSA, MTF-GLP and HySure) are compared
quantitatively and qualitatively and tested over the archaeological landscape
of Aquileia (Italy). The results suggest that the application of pansharpening
techniques makes hyperspectral satellite imagery highly suitable, under certain
conditions, to the identification of sub-surface archaeological features of
small and large size.
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