JP5727508B2 - コンピュータ断層撮影装置 - Google Patents

コンピュータ断層撮影装置 Download PDF

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Publication number
JP5727508B2
JP5727508B2 JP2012543952A JP2012543952A JP5727508B2 JP 5727508 B2 JP5727508 B2 JP 5727508B2 JP 2012543952 A JP2012543952 A JP 2012543952A JP 2012543952 A JP2012543952 A JP 2012543952A JP 5727508 B2 JP5727508 B2 JP 5727508B2
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radiation
weight
detection value
modulation
unit
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Japanese (ja)
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JP2013513452A (ja
JP2013513452A5 (enExample
Inventor
トマス コエーレル
トマス コエーレル
ロランド プロクサ
ロランド プロクサ
エヴァルト ロエッスル
エヴァルト ロエッスル
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Koninklijke Philips NV
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Koninklijke Philips NV
Koninklijke Philips Electronics NV
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/46—Arrangements for interfacing with the operator or the patient
    • A61B6/467—Arrangements for interfacing with the operator or the patient characterised by special input means
    • A61B6/469—Arrangements for interfacing with the operator or the patient characterised by special input means for selecting a region of interest [ROI]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Human Computer Interaction (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2012543952A 2009-12-15 2010-12-10 コンピュータ断層撮影装置 Expired - Fee Related JP5727508B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09179186.3 2009-12-15
EP09179186A EP2335593A1 (en) 2009-12-15 2009-12-15 Computed tomography apparatus
PCT/IB2010/055712 WO2011073863A1 (en) 2009-12-15 2010-12-10 Computed tomography apparatus

Publications (3)

Publication Number Publication Date
JP2013513452A JP2013513452A (ja) 2013-04-22
JP2013513452A5 JP2013513452A5 (enExample) 2014-12-11
JP5727508B2 true JP5727508B2 (ja) 2015-06-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012543952A Expired - Fee Related JP5727508B2 (ja) 2009-12-15 2010-12-10 コンピュータ断層撮影装置

Country Status (6)

Country Link
US (1) US8861674B2 (enExample)
EP (2) EP2335593A1 (enExample)
JP (1) JP5727508B2 (enExample)
CN (1) CN102655810B (enExample)
BR (1) BR112012014172A2 (enExample)
WO (1) WO2011073863A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8571291B2 (en) * 2011-10-19 2013-10-29 Kabushiki Kaisha Toshiba Combination weight applied to iterative reconstruction in image reconstruction
US8903152B2 (en) * 2012-06-29 2014-12-02 General Electric Company Methods and systems for enhanced tomographic imaging
TWI494897B (zh) * 2012-11-20 2015-08-01 Iner Aec Executive Yuan 一種三維射束覓跡的投影方法
FI124596B (fi) * 2012-11-23 2014-10-31 Planmed Oy Lääketieteellinen tietokonetomografiakuvauslaitteisto
CN104768468B (zh) * 2012-11-30 2018-01-05 株式会社日立制作所 X射线ct装置以及其断层图像拍摄方法
US10282820B2 (en) * 2013-02-21 2019-05-07 Koninklijke Philips N.V. Structure propagation restoration for spectral CT
CN105873519B (zh) * 2014-01-20 2018-10-16 株式会社日立制作所 X射线ct装置、图像处理装置及图像重构方法
JP6766045B2 (ja) * 2014-11-20 2020-10-07 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． トモシンセシスデータから合成マンモグラムを生成する方法
EP3320519A1 (en) * 2015-06-30 2018-05-16 Koninklijke Philips N.V. Device and method for processing computer tomography imaging data
WO2018115025A1 (en) * 2016-12-21 2018-06-28 Koninklijke Philips N.V. Redundancy weighting for short scan off-center detector x-ray tomography
WO2019033390A1 (en) * 2017-08-18 2019-02-21 Shenzhen United Imaging Healthcare Co., Ltd. System and method for reconstructing images
US12406410B2 (en) * 2017-08-18 2025-09-02 Shanghai United Imaging Healthcare Co., Ltd. System and method for reconstructing an image
CN107928694B (zh) * 2017-12-05 2020-11-03 上海联影医疗科技有限公司 Ct剂量调制方法、装置、ct扫描方法及ct系统
CN109523605A (zh) * 2018-11-29 2019-03-26 上海联影医疗科技有限公司 一种ct图像重建的方法、装置、设备及介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5625662A (en) 1995-11-20 1997-04-29 General Electric Company Modulating x-ray tube current in a CT system
US5696807A (en) * 1996-09-05 1997-12-09 General Electric Company Methods and apparatus for modulating x-ray tube current
JP2003339693A (ja) * 2002-05-27 2003-12-02 Shimadzu Corp Ｘ線ｃｔ再構成方法及びこれを用いたｘ線ｃｔ装置
US6775346B2 (en) * 2002-10-21 2004-08-10 Koninklijke Philips Electronics N.V. Conebeam computed tomography imaging
JP4509493B2 (ja) * 2003-04-25 2010-07-21 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｘ線ｃｔ画像撮影方法およびｘ線ｃｔ装置
US7068750B2 (en) * 2003-10-27 2006-06-27 General Electric Company System and method of x-ray flux management control
WO2005099577A1 (en) 2004-04-13 2005-10-27 Koninklijke Philips Electronics, N.V. Dynamic dose control for computed tomography
CN100536777C (zh) * 2004-04-13 2009-09-09 皇家飞利浦电子股份有限公司 用于计算机断层摄影的动态剂量控制
US7532702B2 (en) 2005-11-23 2009-05-12 General Electric Company Method and system for performing CT image reconstruction with motion artifact correction
US20070147579A1 (en) * 2005-12-23 2007-06-28 De Man Bruno K B Method and system for radiographic imaging with organ-based radiation profile prescription
JP5523726B2 (ja) * 2008-04-04 2014-06-18 株式会社東芝 Ｘ線ｃｔ装置

Also Published As

Publication number Publication date
CN102655810A (zh) 2012-09-05
US20120250821A1 (en) 2012-10-04
EP2512345B1 (en) 2020-05-27
BR112012014172A2 (pt) 2016-05-17
EP2512345A1 (en) 2012-10-24
CN102655810B (zh) 2015-12-02
JP2013513452A (ja) 2013-04-22
WO2011073863A1 (en) 2011-06-23
US8861674B2 (en) 2014-10-14
EP2335593A1 (en) 2011-06-22

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