On the Use of Passive Reflecting Surfaces and Compressive Sensing Techniques for Detecting Security Threats at Standoff Distances

<table>Three dimensional images created using voxels: (a) ground truth and (b) reconstruction.</table>

International Journal of Antennas and Propagation

Figure 7: On the Use of Passive Reflecting Surfaces and Compressive Sensing Techniques for Detecting Security Threats at Standoff Distances 