EP1025554A1 - Systeme integre de detection personnelle a traverser pour portiques de securite - Google Patents

Systeme integre de detection personnelle a traverser pour portiques de securite

Info

Publication number
EP1025554A1
EP1025554A1 EP98953831A EP98953831A EP1025554A1 EP 1025554 A1 EP1025554 A1 EP 1025554A1 EP 98953831 A EP98953831 A EP 98953831A EP 98953831 A EP98953831 A EP 98953831A EP 1025554 A1 EP1025554 A1 EP 1025554A1
Authority
EP
European Patent Office
Prior art keywords
person
walk
millimeter wave
scanner device
generating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP98953831A
Other languages
German (de)
English (en)
Inventor
Lawrence V. Haley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IDS Intelligent Detection Systems Inc
Original Assignee
IDS Intelligent Detection Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IDS Intelligent Detection Systems Inc filed Critical IDS Intelligent Detection Systems Inc
Publication of EP1025554A1 publication Critical patent/EP1025554A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/887—Radar or analogous systems specially adapted for specific applications for detection of concealed objects, e.g. contraband or weapons
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05G—SAFES OR STRONG-ROOMS FOR VALUABLES; BANK PROTECTION DEVICES; SAFETY TRANSACTION PARTITIONS
    • E05G5/00—Bank protection devices
    • E05G5/003—Entrance control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N2001/022—Devices for withdrawing samples sampling for security purposes, e.g. contraband, warfare agents
    • G01N2001/024—Devices for withdrawing samples sampling for security purposes, e.g. contraband, warfare agents passengers or luggage

Definitions

  • the present invention relates generally to walk-though scanning systems such as found in airport check- in, or other high-risk security areas, and more particularly, to a novel scanning system implementing a combination of different detection technologies, each optimized for the detection of certain types of concealed or suspicious objects or features.
  • Portals for screening people carrying metallic objects or explosives exist in several forms. They, in general, are classified as walk- in systems which require that the person stand still at a designated spot for at least a few seconds while being scanned; and, walk- through systems, where the person walks through a portal, e.g., metal detection portals as seen in airports.
  • the walk- in systems are inconvenient in that the person has to stand still at a designated spot which slows down the throughput in the system.
  • the person additionally becomes aware of the security scan, which may not be desirable in certain circumstances.
  • Some of the walk-in systems available in the market are: SecurScan® portal system by Thermedics Inc., MA, USA, which is used for the collection of explosive vapors, and, the Secure 1000® by Nicolet Imaging Systems, USA which is used for detecting concealed objects on persons using X- rays .
  • the SecurScan® portal system made by Thermedics Inc. has been modified to a walk- through system with brushes for removing traces of explosives from people's clothing which are then processed and analyzed using a gas chromatographic column and a che iluminescent detector.
  • an integrated walk- though system for detecting concealed or suspicious objects comprising: a portal in which a person may walk through without interruption; a device responsive to a person's entry into the portal for generating a trigger signal to start a detection process; one or more of a dielectric scanner device, an x-ray scanner device, a metal detector device, a millimeter wave camera device, and vapor collection and analysis device, or a combination thereof, for performing respective detection processes in response to receipt of the trigger signal, each dielectric scanner device, x-ray scanner device, metal detector device, millimeter wave camera device, and vapor collection and analysis device generating corresponding output signals; and, a computing device for receiving the output signals from each dielectric scanner device, an x-ray scanner device, a metal detector device, a millimeter wave camera device, and vapor collection and analysis device and generating a signal indicating detection of a target object carried by the person.
  • Figure 1 illustrates the integrated walkthrough personnel scanner system of the invention .
  • FIG 1 is schematic diagram depicting the main components of the integrated walkthrough personnel scanner system 10 of the invention.
  • the system consists of a walkthrough portal 12.
  • the portal may be disguised as part of an archway or corridor when it is necessary to conceal the scanning process.
  • a proximity sensor 15 for example, one consisting of an infra-red transmitter 15a and detector 15b, is triggered which generates a signal to start the detection and analysis processes of the various detectors in the integrated walk- through scanner system 10.
  • a metal detector 20 for generating a signal 21 in proportion to the amount of metal carried by the person 8 and generates an alarm when the signal exceeds a preset threshold
  • a vapor analyzer 30 for sampling the circulating air in the portal 12 for explosive vapor and particulate which are carried by the air stream from any concealed explosives, and generates a signal 31 if any previously calibrated explosives are present in the sample and an alarm signal if the magnitude of the signal exceeds a preset threshold
  • a Dielectric Strength scanner 40 which detects abnormal changes in the dielectric constant of an object it scans and accordingly generates a signal 41 representing this change, in addition to generating an alarm if the changes are significant enough as determined by a previously set signal strength
  • a set of active or passive millimeter wave cameras 50a,.., 50d which scan the person 8 as he/she walks through the portal 12 and
  • the analysis of multi -state output signals 21, 31, 41, 51a,.., 51d, and 61 and the decision to generate an overall alarm is carried out by computer software executing on computer system 80 with or without expert human assistance.
  • the different outputs are processed to form a matrix comprising all possible combinations from which a final alarm determination may be made.
  • a neural network or Al device implementing fuzzy logic may be employed for processing the multi -state signals and generating an alarm signal 85. It should be understood that the level of security alert and the level of tolerance of false alarm rates determines the type of analysis performed by the software and the alarm 85 to be generated.
  • the data results from the different detectors are processed in such a way as to readily arrive at conclusions about the people and the objects they carry as they walk through the portal .

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Accounting & Taxation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Electromagnetism (AREA)
  • Finance (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Alarm Systems (AREA)

Abstract

L'invention concerne un système (10) intégré à traverser permettant de détecter des objets dissimulés ou suspects. Ce système comprend un portique (12) que la personne (8) peut traverser sans interruption; un dispositif (15) qui réagit à l'entrée d'une personne dans le portique par un signal de déclenchement provoquant la mise en route du processus de détection; un ou plusieurs dispositifs (40) diélectriques de balayage, un dispositif (60) à rayons X, un détecteur (20) de métaux, un système (50a...50d) de caméra à onde millimétrique et un capteur (30) et analyseur (30) de vapeur ou une combinaison de ces derniers, qui servent à la mise en oeuvre des processus de détection respectifs en réponse à la réception du signal de déclenchement, chaque dispositif diélectrique de balayage, le dispositif à rayons X, le détecteur de métaux, le système de caméra à onde millimétrique et le capteur et analyseur de vapeur produisant des signaux (21, 31, 41, 51a, ...51d, 61) de sortie correspondants; et une unité (80) de traitement recevant ces signaux de sortie provenant de chaque dispositifs diélectrique de balayage, du dispositif à rayons X, du détecteur de métaux, du système de caméra à onde millimétrique et du capteur et analyseur de vapeur, et produisant un signal (85) d'alarme indiquant la détection d'un objet cible porté par la personne.
EP98953831A 1997-10-22 1998-10-21 Systeme integre de detection personnelle a traverser pour portiques de securite Withdrawn EP1025554A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US6268497P 1997-10-22 1997-10-22
US62684P 1997-10-22
PCT/US1998/022272 WO1999021148A1 (fr) 1997-10-22 1998-10-21 Systeme integre de detection personnelle a traverser pour portiques de securite

Publications (1)

Publication Number Publication Date
EP1025554A1 true EP1025554A1 (fr) 2000-08-09

Family

ID=22044136

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98953831A Withdrawn EP1025554A1 (fr) 1997-10-22 1998-10-21 Systeme integre de detection personnelle a traverser pour portiques de securite

Country Status (4)

Country Link
EP (1) EP1025554A1 (fr)
JP (1) JP2001521157A (fr)
CA (1) CA2308747A1 (fr)
WO (1) WO1999021148A1 (fr)

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US7202808B2 (en) * 2004-04-14 2007-04-10 Safeview, Inc. Surveilled subject privacy imaging
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US8196482B2 (en) 2004-09-10 2012-06-12 Qylur Security Systems, Inc. Apparatus for efficient resource sharing
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Also Published As

Publication number Publication date
WO1999021148A1 (fr) 1999-04-29
CA2308747A1 (fr) 1999-04-29
JP2001521157A (ja) 2001-11-06

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