CN102655810B - 计算机断层摄影装置 - Google Patents

计算机断层摄影装置 Download PDF

Info

Publication number
CN102655810B
CN102655810B CN201080057105.0A CN201080057105A CN102655810B CN 102655810 B CN102655810 B CN 102655810B CN 201080057105 A CN201080057105 A CN 201080057105A CN 102655810 B CN102655810 B CN 102655810B
Authority
CN
China
Prior art keywords
radiation
probe value
weight
modulation
radiation source
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.)
Active
Application number
CN201080057105.0A
Other languages
English (en)
Chinese (zh)
Other versions
CN102655810A (zh
Inventor
T·克勒
R·普罗克绍
E·勒斯尔
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN102655810A publication Critical patent/CN102655810A/zh
Application granted granted Critical
Publication of CN102655810B publication Critical patent/CN102655810B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Public Health (AREA)
  • Theoretical Computer Science (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201080057105.0A 2009-12-15 2010-12-10 计算机断层摄影装置 Active CN102655810B (zh)

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 (2)

Publication Number Publication Date
CN102655810A CN102655810A (zh) 2012-09-05
CN102655810B true CN102655810B (zh) 2015-12-02

Family

ID=42129613

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201080057105.0A Active CN102655810B (zh) 2009-12-15 2010-12-10 计算机断层摄影装置

Country Status (6)

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

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
WO2014128595A1 (en) * 2013-02-21 2014-08-28 Koninklijke Philips N.V. Structure propagation restoration for spectral ct
WO2015108097A1 (ja) * 2014-01-20 2015-07-23 株式会社 日立メディコ Ｘ線ｃｔ装置、画像処理装置、及び画像再構成方法
US10255697B2 (en) * 2014-11-20 2019-04-09 Koninklijke Philips N.V. Method for generation of synthetic mammograms from tomosynthesis data
EP3320519A1 (en) * 2015-06-30 2018-05-16 Koninklijke Philips N.V. Device and method for processing computer tomography imaging data
JP6858259B2 (ja) * 2016-12-21 2021-04-14 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． ショートスキャン偏心検出器ｘ線トモグラフィのための冗長重み付け
WO2019033390A1 (en) * 2017-08-18 2019-02-21 Shenzhen United Imaging Healthcare Co., Ltd. SYSTEM AND METHOD FOR IMAGE RECONSTRUCTION
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2004321587A (ja) * 2003-04-25 2004-11-18 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ画像撮影方法およびｘ線ｃｔ装置
CN1705455A (zh) * 2002-10-21 2005-12-07 皇家飞利浦电子股份有限公司 锥形束计算机断层成像
CN1942141A (zh) * 2004-04-13 2007-04-04 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

Family Cites Families (7)

* 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
US7068750B2 (en) * 2003-10-27 2006-06-27 General Electric Company System and method of x-ray flux management control
JP4880587B2 (ja) 2004-04-13 2012-02-22 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 コンピュータ断層撮影のための動的線量制御
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN1705455A (zh) * 2002-10-21 2005-12-07 皇家飞利浦电子股份有限公司 锥形束计算机断层成像
JP2004321587A (ja) * 2003-04-25 2004-11-18 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ画像撮影方法およびｘ線ｃｔ装置
CN1942141A (zh) * 2004-04-13 2007-04-04 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

Also Published As

Publication number Publication date
CN102655810A (zh) 2012-09-05
EP2512345B1 (en) 2020-05-27
EP2335593A1 (en) 2011-06-22
EP2512345A1 (en) 2012-10-24
US8861674B2 (en) 2014-10-14
US20120250821A1 (en) 2012-10-04
BR112012014172A2 (pt) 2016-05-17
JP5727508B2 (ja) 2015-06-03
JP2013513452A (ja) 2013-04-22
WO2011073863A1 (en) 2011-06-23

Similar Documents

Publication Publication Date Title
CN102655810B (zh) 计算机断层摄影装置
CN102596040B (zh) 计算机断层摄影设备
Taguchi Temporal resolution and the evaluation of candidate algorithms for four‐dimensional CT
US8139709B2 (en) Staggered circular scans for CT imaging
US11309072B2 (en) Systems and methods for functional imaging
JP2013513452A5 (https=)
US20110110570A1 (en) Apparatus and methods for generating a planar image
CN107106109B (zh) 计算机断层扫描系统
US8768030B2 (en) CT measurement with multiple X-ray sources
US10789738B2 (en) Method and apparatus to reduce artifacts in a computed-tomography (CT) image by iterative reconstruction (IR) using a cost function with a de-emphasis operator
US20160287201A1 (en) One or more two dimensional (2d) planning projection images based on three dimensional (3d) pre-scan image data
US8410448B2 (en) Imaging apparatus for generating an image of a region of interest
CN102160085B (zh) 成像装置
EP1994504A1 (en) Method of reconstructing an image function from radon data
CN102460514A (zh) 成像程序规划
CN100563570C (zh) 心脏锥面光束ct重建中条纹伪影的减少
EP1800264B1 (en) Image reconstruction with voxel dependent interpolation
JP5199081B2 (ja) 心臓ｃｔ撮影のバンドアーチファクトの抑制
CN101681521B (zh) 用于对感兴趣区域成像的成像系统和成像方法
Kim et al. Evaluation of algebraic iterative image reconstruction methods for tetrahedron beam computed tomography systems
US20250005818A1 (en) Apparatus and method for beam-hardening correction in computed tomography
Sun et al. Rigid motion correction for head CT imaging
Alonzi et al. Medical uses of computerized tomography (CT) scans and simple physical principles New evaluation of the radiology department
Yang Flat panel detector-based cone beam CT: Reconstruction implementation and applications for dynamic imaging

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant