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24 May 2012 A wireless near-IR retro-reflective profiling sensor
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The notion of a proling sensor was rst realized by a near-IR, retro-re ective prototype consisting of a vertical column of sparse detectors. Alternative arrangements of detectors have been implemented in which a subset of the detectors have been oset from the vertical column and placed at arbitrary locations along the anticipated path of the objects of interest. All prior work with the near-IR, retro-re ective proling sensors has consisted of wired detectors. This paper advances this prior work by designing and implementing a wireless prototype version of a near-IR, retro-re ective proling sensor in which each detector is a wireless sensor node. In this novel architecture, a base station is responsible for collecting all data from the detector sensor nodes and coordinating all pre- processing of data collected from the sensor nodes, including data re-alignment, before subsequent classication algorithms are executed. Such a wireless detector conguration advances deployment options for near-IR, retro- re ective proling sensors.
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Alex Galvis, David J. Russomanno, and Cartik R. Kothari "A wireless near-IR retro-reflective profiling sensor", Proc. SPIE 8389, Ground/Air Multisensor Interoperability, Integration, and Networking for Persistent ISR III, 83890R (24 May 2012);

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