ES2173201T3 - Sistema y metodo de tomografia computerizada (ct) por rayos x, para ladeteccion de objetos delgados. - Google Patents

Sistema y metodo de tomografia computerizada (ct) por rayos x, para ladeteccion de objetos delgados.

Info

Publication number
ES2173201T3
ES2173201T3 ES95936229T ES95936229T ES2173201T3 ES 2173201 T3 ES2173201 T3 ES 2173201T3 ES 95936229 T ES95936229 T ES 95936229T ES 95936229 T ES95936229 T ES 95936229T ES 2173201 T3 ES2173201 T3 ES 2173201T3
Authority
ES
Spain
Prior art keywords
ladetection
rays
computerized tomography
thin objects
elements
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
ES95936229T
Other languages
English (en)
Inventor
Jeffrey 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 ES2173201T3 publication Critical patent/ES2173201T3/es
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)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Image Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

SE DETERMINA LA PRESENCIA DE UN OBJETO POR LA REVISION CON RADIACION DE UN VOLUMEN TRIDIMENSIONAL PARA DETERMINAR UNA PROPIEDAD DE UNOS ELEMENTOS DE IMAGENES VOLUMETRICAS QUE REPRESENTAN EL VOLUMEN (S1), IDENTIFICAN LOS ELEMENTOS DE IMAGENES VOLUMETRICAS QUE TIENEN UNO VALORES SIMILARES DE LA PROPIEDAD (S2), E IDENTIFICAN LOS GRUPOS CONTIGUOS DE ELEMENTOS DE IMAGENES VOLUMETRICAS SIMILARES (S3). DESPUES, UN GRUPO CONTIGUO DE XXX ES IDENTIFICADO COMO EL QUE CONTIENE EL OBJETO SI UNA CARACTERISTICA, COMO, POR EJEMPLO, LA MASA (S7) Y/O EL VOLUMEN (S5) DEL GRUPO CONTIGUO, TIENE UN VALOR PREDETERMINADO.
ES95936229T 1994-10-20 1995-10-20 Sistema y metodo de tomografia computerizada (ct) por rayos x, para ladeteccion de objetos delgados. Expired - Lifetime ES2173201T3 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES2173201T3 true ES2173201T3 (es) 2002-10-16

Family

ID=23266628

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95936229T Expired - Lifetime ES2173201T3 (es) 1994-10-20 1995-10-20 Sistema y metodo de tomografia computerizada (ct) por rayos x, para ladeteccion de objetos delgados.

Country Status (13)

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

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Also Published As

Publication number Publication date
US5712926A (en) 1998-01-27
EP0789888B1 (en) 2002-02-27
DE69525640D1 (de) 2002-04-04
DK0789888T3 (da) 2002-05-27
PT789888E (pt) 2002-07-31
CN1113235C (zh) 2003-07-02
CA2203110C (en) 2008-12-30
EP0789888A4 (en) 1998-04-15
CA2203110A1 (en) 1996-05-02
ATE213853T1 (de) 2002-03-15
RU2161820C2 (ru) 2001-01-10
JPH10508377A (ja) 1998-08-18
CN1178019A (zh) 1998-04-01
WO1996013017A1 (en) 1996-05-02
US5905806A (en) 1999-05-18
JP3768532B2 (ja) 2006-04-19
MX9702870A (es) 1997-12-31
EP0789888A1 (en) 1997-08-20
DE69525640T2 (de) 2002-11-21

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