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Miniature Hyperspectral Sensors for Imaging on Small UAVs Print E-mail
Headwall Photonics, Inc., Fitchburg, Massachusetts   
Jun 01 2007
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Small hyperspectral imaging sensors yield critical information not available with digital video or thermal cameras.

As unmanned vehicles get smaller and smaller, operational expectations and mission objectives demand a much broader array of platform capabilities — a necessity even with reduced payloads requiring less weight, smaller size, and less power consumption. An interesting dichotomy exists between the need for increasing amounts of valuable information and the operational ability to capture and synthesize this information in real time.

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Figure 1. Hyperspectral Image taken from UAV with targets highlighted. (Headwall Photonics, Inc.)
A key example is seen when one takes stock of the trends driving the development and deployment of small unmanned aerial vehicles (UAVs) and small unmanned ground vehicles (SUGVs). With obvious advantages, smaller unmanned vehicles — whether airborne systems or ground-based robots — provide substantially greater operational benefits in theater with lower risk for the warfighter. As a result, military and defense agencies are looking to increase the capabilities of unmanned vehicles by incorporating very small hyperspectral imaging sensors. These hyperspectral sensors yield critical information not available with digital video or thermal cameras concerning objects on the ground in the context of a three-dimensional view comprising both spatial position and chemical composition.

 

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