Post on 13-Jan-2016
description
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)