the bernard m. gordon center for subsurface sensing and imaging systems carey rappaport northeastern...
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The Bernard M. Gordon Center for Subsurface Sensing and
Imaging Systems
The Bernard M. Gordon Center for Subsurface Sensing and
Imaging Systems
Carey RappaportNortheastern
University
Carey RappaportNortheastern
University
BomDetec: Wide Area Surveillance and Suicide Bomber Detection at Greater than 10 Meters
BomDetec: Wide Area Surveillance and Suicide Bomber Detection at Greater than 10 Meters
BomDetec TeamBomDetec Team
Integrated Defense Systems
Basic Detection GeometryBasic Detection Geometry
ZBV
THz 10m
X-Ray 10m
Radar 50m
Video 100m
Layered detection within a single package: Intelligent Video mm-wave Radar X-Ray Backscatter THz Spectroscopy
VideoRadar
X-RayThz
Pedestrian Paths
Proposed AS&E Z - Backscatter Van with Sensor Layout and CoverageProposed AS&E Z - Backscatter Van with Sensor Layout and Coverage
PTZ CamerasX-ray
Beam
Terahertz Beam
Radar Beam
Side View
Top View
SCR Technology: Automatically Detect and Track Individuals
Siemens Corp. Res.: Intelligent Video Siemens Corp. Res.: Intelligent Video
77 GHZ Radar Detection: Raytheon, PPT, NEU77 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
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
1.5 m
MMWRadar
30 m
3 ºMMWRadar
Object of interest
Side View
Top View
1.5 m
MMWRadar
30 m
3 ºMMWRadar
Object of interest
Side View
Top View
AS&E X-Ray Backscatter DetectionAS&E X-Ray Backscatter Detection
Chopper Wheel for Generating X-Ray Fan
Beam
X-Ray Backscatter image Showing Organic / Inorganic
Objects
http://www.as-e.com/products_solutions/z_backscatter_transmission.asp
Frequency (THz)1.6 2.0 2.40.5 1.20.8
2.0THzPETN
(
cm-1
)
160
120
80
40
HMX
Frequency (THz)1.6 2.0 2.40.5 1.20.8
1.8THz
240
180
120
60
Frequency (THz)
1.6THz
1.6 2.0 2.40.5 1.20.8
2.2THzTNT80
60
40
20
(
cm-1
)
Frequency (THz)1.6 2.0 2.40.5 1.20.8
RDX
0.82THz
1.5THz
1.96THz
240
180
120
60
(
cm-1
)
(
cm-1
)
Explosive THz Absorption Spectra-- RPIExplosive THz Absorption Spectra-- RPI
Frequency (THz)
1.6 2.0 2.40.5 1.20.8
Sugar240
180
120
60
Frequency (THz)1.6 2.0 2.40.5 1.20.8
Detergent240
180
120
60
(
cm-1
)
(
cm-1
)
30
60
90
120L-Leucine
Frequency (THz)
0.84THz
2.1THz
0.8 1.2 1.6 2.0 2.40.5
(
cm-1
) 1.6THz
1.6 2.0 2.40.5 1.20.8Frequency (THz)
(
cm-1
)
120
90
60
30
150Dimethoate
1.05THz
1.9THz
Non-Explosives Absorption Spectra:Distinct from Explosives SpectraNon-Explosives Absorption Spectra:Distinct from Explosives Spectra
Overall Suicide Bomber Detection StrategyOverall 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)
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)