Imaging in many narrow, usually adjacent wavelength bands. Relative to broad-band multispectral imaging, it can resolve narrower mineral absorption features in spectral reflectance, helping distinguish surface lithologies, at the cost of data volume and often reduced signal per band.
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Hyperspectral imaging is a technology that captures and processes information from across the electromagnetic spectrum. Unlike traditional imaging, which uses just a few bands of light (such as red, green, and blue), hyperspectral imaging collects data in many narrow bands, often hundreds or even thousands of them, across the visible, near-infrared, and sometimes even into the thermal infrared ranges.