CN101228553B - 用于成像断层造影的方法和装置 - Google Patents

用于成像断层造影的方法和装置 Download PDF

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Publication number
CN101228553B
CN101228553B CN2006800268907A CN200680026890A CN101228553B CN 101228553 B CN101228553 B CN 101228553B CN 2006800268907 A CN2006800268907 A CN 2006800268907A CN 200680026890 A CN200680026890 A CN 200680026890A CN 101228553 B CN101228553 B CN 101228553B
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energy input
input beam
source
components
parallel
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Expired - Fee Related
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CN2006800268907A
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English (en)
Chinese (zh)
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CN101228553A (zh
Inventor
O·蒂深科
徐源
C·赫申
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Oregon Represented By Higher Education Authority And Oregon University
Helmholtz Zentrum Muenchen Deutsches Forschungszentrum fuer Gesundheit und Umwelt GmbH
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Oregon Represented By Higher Education Authority And Oregon University
Helmholtz Zentrum Muenchen Deutsches Forschungszentrum fuer Gesundheit und Umwelt GmbH
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Publication of CN101228553A publication Critical patent/CN101228553A/zh
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/06Diaphragms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/48Diagnostic techniques
    • A61B6/482Diagnostic techniques involving multiple energy imaging
    • 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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/003Reconstruction from projections, e.g. tomography
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/003Reconstruction from projections, e.g. tomography
    • G06T11/005Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/421Filtered back projection [FBP]

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Public Health (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pulmonology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Image Processing (AREA)
CN2006800268907A 2005-05-23 2006-05-19 用于成像断层造影的方法和装置 Expired - Fee Related CN101228553B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05011135A EP1727092A1 (en) 2005-05-23 2005-05-23 Method and device for imaging tomography
EP05011135.0 2005-05-23
PCT/EP2006/004781 WO2006125570A1 (en) 2005-05-23 2006-05-19 Method and device for imaging tomogaphy

Publications (2)

Publication Number Publication Date
CN101228553A CN101228553A (zh) 2008-07-23
CN101228553B true CN101228553B (zh) 2012-10-24

Family

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CN2006800268907A Expired - Fee Related CN101228553B (zh) 2005-05-23 2006-05-19 用于成像断层造影的方法和装置

Country Status (7)

Country Link
US (1) US8243875B2 (enExample)
EP (2) EP1727092A1 (enExample)
JP (1) JP5265353B2 (enExample)
KR (1) KR101259430B1 (enExample)
CN (1) CN101228553B (enExample)
CA (1) CA2609457C (enExample)
WO (1) WO2006125570A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1780676A1 (en) * 2005-10-25 2007-05-02 GSF-Forschungszentrum für Umwelt und Gesundheit GmbH Imaging method and device with dual reading scanner
EP2250967A1 (en) * 2009-05-13 2010-11-17 Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH) Tomography apparatus and tomography method
KR101368148B1 (ko) * 2012-05-24 2014-02-28 전호상 하이브리드 컴퓨터단층촬영 영상 처리방법
GB201308876D0 (en) 2013-05-16 2013-07-03 Ibex Innovations Ltd X-Ray imaging apparatus and methods
GB201308851D0 (en) 2013-05-16 2013-07-03 Ibex Innovations Ltd Multi-spectral x-ray detection apparatus
GB201308818D0 (en) 2013-05-16 2013-07-03 Ibex Innovations Ltd X-ray detector apparatus
US10549117B2 (en) * 2017-07-21 2020-02-04 Varian Medical Systems, Inc Geometric aspects of radiation therapy planning and treatment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1166312A (zh) * 1996-05-09 1997-12-03 西门子公司 计算机层析x射线摄影机
CN1224998A (zh) * 1996-06-21 1999-08-04 模拟公司 具有稳定的检测器性能的x射线断层摄影系统

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304999A (en) * 1979-01-02 1981-12-08 Technicare Corporation Eccentric source collimator assembly for rotating source CT scanner
US4315157A (en) * 1980-05-01 1982-02-09 The University Of Alabama In Birmingham Multiple beam computed tomography (CT) scanner
WO1992000566A1 (en) * 1990-07-02 1992-01-09 Varian Associates, Inc. Partial fan beam tomographic apparatus and data reconstruction method
JPH04288147A (ja) * 1991-03-18 1992-10-13 Toshiba Corp X線ct装置
US5608776A (en) * 1995-10-10 1997-03-04 General Electric Company Methods and apparatus for twin beam computed tomography
US6094469A (en) * 1998-10-21 2000-07-25 Analogic Corporation Computed tomography system with stable beam position
JP2001145623A (ja) * 1999-11-24 2001-05-29 Hitachi Medical Corp X線ct装置及びx線断層撮影方法
US6343110B1 (en) 2000-07-25 2002-01-29 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for submillimeter CT slices with increased coverage
DE10048775B4 (de) * 2000-09-29 2006-02-02 Siemens Ag Röntgen-Computertomographieeinrichtung
JP2002177255A (ja) * 2000-12-08 2002-06-25 Ge Medical Systems Global Technology Co Llc X線ct装置
US6792077B2 (en) 2002-06-19 2004-09-14 Ge Medical Systems Global Technology Company, Llc Collimation system for dual slice EBT scanner
US7046756B2 (en) * 2003-05-20 2006-05-16 General Electric Company Rotatable filter for a pre-subject CT collimator having multiple filtering profiles
JP3819376B2 (ja) * 2003-06-16 2006-09-06 株式会社リガク X線装置およびその散乱防止キャップ
JP2006528017A (ja) * 2003-07-22 2006-12-14 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 2次元ct検出器用放射線マスク
US7076029B2 (en) * 2003-10-27 2006-07-11 General Electric Company Method and apparatus of radiographic imaging with an energy beam tailored for a subject to be scanned
EP1677253A1 (en) 2004-12-30 2006-07-05 GSF-Forschungszentrum für Umwelt und Gesundheit GmbH Method and device of reconstructing an (n+1)-dimensional image function from radon data

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1166312A (zh) * 1996-05-09 1997-12-03 西门子公司 计算机层析x射线摄影机
CN1224998A (zh) * 1996-06-21 1999-08-04 模拟公司 具有稳定的检测器性能的x射线断层摄影系统

Also Published As

Publication number Publication date
EP1727092A1 (en) 2006-11-29
EP1886279A1 (en) 2008-02-13
US20090316856A1 (en) 2009-12-24
JP2008541807A (ja) 2008-11-27
CA2609457A1 (en) 2006-11-30
WO2006125570A1 (en) 2006-11-30
CA2609457C (en) 2014-11-18
CN101228553A (zh) 2008-07-23
US8243875B2 (en) 2012-08-14
KR20080042767A (ko) 2008-05-15
JP5265353B2 (ja) 2013-08-14
KR101259430B1 (ko) 2013-04-30

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