Sparse array RF imaging for surveillance applications
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United States of America Patent
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Jul 7, 2015
Grant Date -
Nov 3, 2011
app pub date -
Apr 29, 2011
filing date -
Apr 30, 2010
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Abstract
Techniques are provided for sparse array RF imaging for surveillance applications. The present invention enables object image identification using a sparsely populated array of distributed radio nodes deployed and operated as a radar detection, tracking and identification application. Three-dimensional object images are formed, from which estimates of extent and shape can be extracted for objects that are detected in the vicinity of the deployed radar array. In addition, techniques are provided for the identification and/or classification of vehicles, humans and fauna through feature extraction from the formed three-dimensional images.
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