DK0789888T3 - Fremgangsmåde og apparat til at afsløre tynde genstande ved hjælp af røntgen-computertomografi - Google Patents

Fremgangsmåde og apparat til at afsløre tynde genstande ved hjælp af røntgen-computertomografi

Info

Publication number
DK0789888T3
DK0789888T3 DK95936229T DK95936229T DK0789888T3 DK 0789888 T3 DK0789888 T3 DK 0789888T3 DK 95936229 T DK95936229 T DK 95936229T DK 95936229 T DK95936229 T DK 95936229T DK 0789888 T3 DK0789888 T3 DK 0789888T3
Authority
DK
Denmark
Prior art keywords
voxels
computed tomography
ray computed
thin objects
detecting thin
Prior art date
Application number
DK95936229T
Other languages
English (en)
Inventor
Jeffrey Wayne Eberhard
Meng-Ling Hsiao
Original Assignee
L 3 Comm 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 L 3 Comm Corp filed Critical L 3 Comm Corp
Application granted granted Critical
Publication of DK0789888T3 publication Critical patent/DK0789888T3/da

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/20Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
    • G01V5/22Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
    • G01V5/226Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using tomography
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating 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
    • G01N23/02Investigating 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
    • G01N23/04Investigating 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
    • G01N23/046Investigating 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]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/40Imaging
    • G01N2223/419Imaging 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)
  • Image Processing (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
DK95936229T 1994-10-20 1995-10-20 Fremgangsmåde og apparat til at afsløre tynde genstande ved hjælp af røntgen-computertomografi DK0789888T3 (da)

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 (1)

Publication Number Publication Date
DK0789888T3 true DK0789888T3 (da) 2002-05-27

Family

ID=23266628

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95936229T DK0789888T3 (da) 1994-10-20 1995-10-20 Fremgangsmåde og apparat til at afsløre tynde genstande ved hjælp af røntgen-computertomografi

Country Status (13)

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

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Also Published As

Publication number Publication date
WO1996013017A1 (en) 1996-05-02
CA2203110C (en) 2008-12-30
EP0789888B1 (en) 2002-02-27
US5905806A (en) 1999-05-18
RU2161820C2 (ru) 2001-01-10
ES2173201T3 (es) 2002-10-16
JPH10508377A (ja) 1998-08-18
MX9702870A (es) 1997-12-31
US5712926A (en) 1998-01-27
CN1113235C (zh) 2003-07-02
ATE213853T1 (de) 2002-03-15
CN1178019A (zh) 1998-04-01
EP0789888A1 (en) 1997-08-20
DE69525640D1 (de) 2002-04-04
JP3768532B2 (ja) 2006-04-19
EP0789888A4 (en) 1998-04-15
CA2203110A1 (en) 1996-05-02
PT789888E (pt) 2002-07-31
DE69525640T2 (de) 2002-11-21

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