DE69525640T2 - Vorrichtung und verfahren der röntgen-computertomographie zur erkennung dünner objekte - Google Patents

Vorrichtung und verfahren der röntgen-computertomographie zur erkennung dünner objekte

Info

Publication number
DE69525640T2
DE69525640T2 DE69525640T DE69525640T DE69525640T2 DE 69525640 T2 DE69525640 T2 DE 69525640T2 DE 69525640 T DE69525640 T DE 69525640T DE 69525640 T DE69525640 T DE 69525640T DE 69525640 T2 DE69525640 T2 DE 69525640T2
Authority
DE
Germany
Prior art keywords
voxels
computer tomography
ray computer
thin objects
detecting thin
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.)
Expired - Lifetime
Application number
DE69525640T
Other languages
English (en)
Other versions
DE69525640D1 (de
Inventor
Wayne Eberhard
Meng-Ling Hsiao
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.)
L3 Technologies Inc
Original Assignee
L3 Communications Corp
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 L3 Communications Corp filed Critical L3 Communications Corp
Application granted granted Critical
Publication of DE69525640D1 publication Critical patent/DE69525640D1/de
Publication of DE69525640T2 publication Critical patent/DE69525640T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
    • G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
    • G01V5/226—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using tomography
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pulmonology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Pathology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE69525640T 1994-10-20 1995-10-20 Vorrichtung und verfahren der röntgen-computertomographie zur erkennung dünner objekte Expired - Lifetime DE69525640T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/325,145 US5712926A (en) 1994-10-20 1994-10-20 X-ray computed tomography (CT) system for detecting thin objects
PCT/US1995/012629 WO1996013017A1 (en) 1994-10-20 1995-10-20 X-ray computed tomography (ct) system for detecting thin objects

Publications (2)

Publication Number Publication Date
DE69525640D1 DE69525640D1 (de) 2002-04-04
DE69525640T2 true DE69525640T2 (de) 2002-11-21

Family

ID=23266628

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69525640T Expired - Lifetime DE69525640T2 (de) 1994-10-20 1995-10-20 Vorrichtung und verfahren der röntgen-computertomographie zur erkennung dünner objekte

Country Status (13)

Country Link
US (2) US5712926A (de)
EP (1) EP0789888B1 (de)
JP (1) JP3768532B2 (de)
CN (1) CN1113235C (de)
AT (1) ATE213853T1 (de)
CA (1) CA2203110C (de)
DE (1) DE69525640T2 (de)
DK (1) DK0789888T3 (de)
ES (1) ES2173201T3 (de)
MX (1) MX9702870A (de)
PT (1) PT789888E (de)
RU (1) RU2161820C2 (de)
WO (1) WO1996013017A1 (de)

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Also Published As

Publication number Publication date
JPH10508377A (ja) 1998-08-18
EP0789888A4 (de) 1998-04-15
WO1996013017A1 (en) 1996-05-02
ES2173201T3 (es) 2002-10-16
CA2203110A1 (en) 1996-05-02
US5712926A (en) 1998-01-27
CN1113235C (zh) 2003-07-02
EP0789888A1 (de) 1997-08-20
CN1178019A (zh) 1998-04-01
US5905806A (en) 1999-05-18
ATE213853T1 (de) 2002-03-15
RU2161820C2 (ru) 2001-01-10
CA2203110C (en) 2008-12-30
DE69525640D1 (de) 2002-04-04
EP0789888B1 (de) 2002-02-27
JP3768532B2 (ja) 2006-04-19
MX9702870A (es) 1997-12-31
DK0789888T3 (da) 2002-05-27
PT789888E (pt) 2002-07-31

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: L-3 COMMUNICATIONS CORP., NEW YORK, N.Y., US

8364 No opposition during term of opposition