Abstract: Hyperspectral imaging is the latest advent in imagingtechnology, providing the potential to extractinformation about the objects in a scene that isunavailable to panchromatic imagers. This increasedutility, however, comes at the cost of tremendouslyincreased data. The ultimate utility of hyperspectralimagery is in the information that can be gleaned fromthe spectral dimension, rather than in thehyperspectral imagery itself. To have the broadestrange of applications, extraction of this informationmust occur in real-time. Attempting to produce andexploit complete cubes of hyperspectral imagery atvideo rates, however, present unique problems for boththe imager and the processor, since data rates arescaled by the number of spectral planes in the cube.MIDIS, the Multi-band Identification and DiscriminationImaging Spectroradiometer, allows both real-time hereare the major design innovations associated withproducing high-speed, high-sensitivity hyperspectralimagers operating in the SWIR and LWIR, and of theelectronics capable of handling data rates up to 160megapixels per second, continuously. Discussion ofreal-time algorithms capable of exploiting the spectraldimension of the imagery is also included. Beyonddesign and performance issues associated with producingand processing hyperspectral imagery at such highspeeds, this paper also discusses applications ofreal-time hyperspectral imaging technology. Exampleimagery includes such problems as detecting counterfeitmoney, inspecting surfaces, and countering CCD. !0
展开▼
