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Miniature Hyperspectral Sensors for Imaging on Small UAVs Print E-mail
Headwall Photonics, Inc., Fitchburg, Massachusetts   
Jun 01 2007
Page 2 of 3
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Figure 2. Example of a miniature Hyperspectral Sensor. (Headwall Photonics, Inc.)
Hyperspectral imaging represents a key advancement in sensor technology that is increasingly utilized as an essential payload component. Based on reflectance spectroscopy, these microhyperspectral sensors capture all spectral information within the field of view and store this information as a hyperspectral datacube. These sensors are used to assess objects within the field of view based on unique chemical “fingerprints.” For example, camouflage netting can be easily discerned from surrounding vegetation as a result of its uniquely different chemical spectrum. Or, for any point on the ground or for any object in the scene, the complete chemical spectra can be generated and interrogated against known threats or assets. Depending upon mission objectives, the hyperspectral datacube can be processed for many applications including target identification and tracking, surveillance and reconnaissance, spectral tagging for special operations, border patrol and interdiction, and more.
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