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The Bernard M. Gordon Center for Subsurface Sensing and Imaging Systems

Carey Rappaport Northeastern University. BomDetec: Wide Area Surveillance and Suicide Bomber Detection at Greater than 10 Meters. The Bernard M. Gordon Center for Subsurface Sensing and Imaging Systems. Integrated Defense Systems. BomDetec Team. Radar 50m. Video 100m. X-Ray 10m. THz 10m.

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The Bernard M. Gordon Center for Subsurface Sensing and Imaging Systems

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  1. Carey Rappaport Northeastern University BomDetec: Wide Area Surveillance and Suicide Bomber Detection at Greater than 10 Meters The Bernard M. Gordon Center for Subsurface Sensing and Imaging Systems

  2. Integrated Defense Systems BomDetec Team

  3. Radar 50m Video 100m X-Ray 10m THz 10m Pedestrian Paths Thz X-Ray Radar Video Basic Detection Geometry • Layered detection within a single package: • Intelligent Video • mm-wave Radar • X-Ray Backscatter • THz Spectroscopy ZBV

  4. Terahertz Beam Radar Beam Proposed AS&E Z - Backscatter Van with Sensor Layout and Coverage PTZ Cameras X-ray Beam Side View Top View

  5. Siemens Corp. Res.: Intelligent Video SCR Technology: Automatically Detect and Track Individuals

  6. 77 GHZ Radar Detection: Raytheon, PPT, NEU 50m range High resolution at 4mm wavelength Single human illumination Ave. width of person: 0.5m Beamwidth: 0.6 deg. Detect people / distinguish hazards through clothes

  7. X-Ray Backscatter image Showing Organic / Inorganic Objects AS&E X-Ray Backscatter Detection Chopper Wheel for Generating X-Ray Fan Beam http://www.as-e.com/products_solutions/z_backscatter_transmission.asp

  8. Frequency (THz) 80 TNT 2.2THz 60 a (cm-1 ) 40 1.6THz 20 0.5 0.8 1.2 1.6 2.0 2.4 Frequency (THz) Explosive THz Absorption Spectra-- RPI 240 240 HMX RDX 180 180 1.96THz 0.82THz 1.8THz a (cm-1 ) a (cm-1 ) 120 120 1.5THz 60 60 0.5 0.8 1.2 1.6 2.0 2.4 0.5 0.8 1.2 1.6 2.0 2.4 Frequency (THz) 160 PETN 2.0THz 120 a (cm-1 ) 80 40 0.5 0.8 1.2 1.6 2.0 2.4 Frequency (THz)

  9. 150 240 240 Sugar Detergent Dimethoate 120 180 180 1.9THz 90 a (cm-1 ) a (cm-1 ) a (cm-1 ) 120 120 1.05THz 60 60 60 30 0.5 0.8 1.2 1.6 2.0 2.4 0.5 0.8 1.2 1.6 2.0 2.4 Frequency (THz) Frequency (THz) Frequency (THz) 120 L-Leucine 2.1THz 90 1.6THz a (cm-1 ) 60 0.84THz 30 0.5 0.8 1.2 1.6 2.0 2.4 0.5 0.8 1.2 1.6 2.0 2.4 Frequency (THz) Non-Explosives Absorption Spectra:Distinct from Explosives Spectra

  10. Overall Suicide Bomber Detection Strategy • Track individuals: identify suspicious movement (Video) • Detect anomalies under clothing at distance (Radar) • Image object under clothing at medium distance (X-Ray) • Analyze chemical characteristics at medium distance (THz)

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