Real-time concealed-object detection and recognition with passive millimeter wave imaging.


Millimeter wave (MMW) imaging is finding rapid adoption in security applications such as concealed object detection under clothing. A passive MMW imaging system can operate as a stand-off type sensor that scans people in both indoors and outdoors. However, the imaging system often suffers from the diffraction limit and the low signal level. Therefore… (More)
DOI: 10.1364/OE.20.009371


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