5 May 2009 Distributed network of integrated 3D sensors for transportation security applications
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Abstract
The US Port Security Agency has strongly emphasized the needs for tighter control at transportation hubs. Distributed arrays of miniature CMOS cameras are providing some solutions today. However, due to the high bandwidth required and the low valued content of such cameras (simple video feed), large computing power and analysis algorithms as well as control software are needed, which makes such an architecture cumbersome, heavy, slow and expensive. We present a novel technique by integrating cheap and mass replicable stealth 3D sensing micro-devices in a distributed network. These micro-sensors are based on conventional structures illumination via successive fringe patterns on the object to be sensed. The communication bandwidth between each sensor remains very small, but is of very high valued content. Key technologies to integrate such a sensor are digital optics and structured laser illumination.
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Vic Hejmadi, Vic Hejmadi, Fred Garcia, Fred Garcia, } "Distributed network of integrated 3D sensors for transportation security applications", Proc. SPIE 7314, Photonics in the Transportation Industry: Auto to Aerospace II, 73140B (5 May 2009); doi: 10.1117/12.821381; https://doi.org/10.1117/12.821381
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