What is multispectral imaging and how is the technology changing the face of archaeology, art history and digital humanities today? The non-invasive digital technique is making the past visible in ways we never thought possible.Some recent PaleoJudaica posts involving multispectral imaging are here, here, and here, plus links. And for older posts on the subject, use the blog search engine.
In the world of archaeology and art history, even objects that have long been known to the world are now providing new information for researchers. This is in part due to an approach called multispectral imaging (MSI). Multispectral imaging first began as bulky and expensive remote sensing equipment used by high-tech astronomy labs like those at NASA interested in planetary science and mapping mineral deposits.
Improvements to sensors and apertures have downsized MSI technology and made it more cost-efficient in recent years. Consequently, the technique has become a more regularized part of the fields of digital archaeology and art preservation as a novel means of revealing hidden materials, pigments and inks that the naked eye alone cannot decipher.
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