JP4740516B2 - コーン・傾斜平行式のサンプリング及び再構成の方法及び装置 - Google Patents

コーン・傾斜平行式のサンプリング及び再構成の方法及び装置 Download PDF

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JP4740516B2
JP4740516B2 JP2002375784A JP2002375784A JP4740516B2 JP 4740516 B2 JP4740516 B2 JP 4740516B2 JP 2002375784 A JP2002375784 A JP 2002375784A JP 2002375784 A JP2002375784 A JP 2002375784A JP 4740516 B2 JP4740516 B2 JP 4740516B2
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image
distance
subject
detector
computer
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JP2003210452A5 (enExample
JP2003210452A (ja
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チアン・シェー
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GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
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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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A61B6/4028—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085—Cone-beams
    • 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
    • A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • 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)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP2002375784A 2001-12-28 2002-12-26 コーン・傾斜平行式のサンプリング及び再構成の方法及び装置 Expired - Fee Related JP4740516B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/034135 2001-12-28
US10/034,135 US6490333B1 (en) 2001-12-28 2001-12-28 Methods and apparatus for cone-tilted parallel sampling and reconstruction

Publications (3)

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JP2003210452A JP2003210452A (ja) 2003-07-29
JP2003210452A5 JP2003210452A5 (enExample) 2008-07-31
JP4740516B2 true JP4740516B2 (ja) 2011-08-03

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JP2002375784A Expired - Fee Related JP4740516B2 (ja) 2001-12-28 2002-12-26 コーン・傾斜平行式のサンプリング及び再構成の方法及び装置

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US (1) US6490333B1 (enExample)
EP (1) EP1327960A3 (enExample)
JP (1) JP4740516B2 (enExample)
IL (1) IL153370A (enExample)

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JP4360817B2 (ja) * 2002-10-18 2009-11-11 株式会社日立メディコ 放射線断層撮影装置
US6816565B1 (en) 2003-06-27 2004-11-09 Ge Medical Systems Global Technology Company, Llc Matched view weighting methods and apparatus using multiple tilted reconstruction planes
US20050135560A1 (en) * 2003-12-17 2005-06-23 Ehud Dafni Portable computed tomography scanner and methods thereof
JP2005177203A (ja) * 2003-12-22 2005-07-07 Ge Medical Systems Global Technology Co Llc 複数位置のｃｔ画像生成方法およびｘ線ｃｔ装置
US7415145B2 (en) * 2003-12-30 2008-08-19 General Electric Company Methods and apparatus for artifact reduction
DE102004003367B4 (de) * 2004-01-22 2015-04-16 Siemens Aktiengesellschaft Verfahren zur Erzeugung von tomographischen Schnittbildern eines sich periodisch bewegenden Objektes mit einer Fokus-Detektor-Kombination
US7050527B2 (en) * 2004-02-09 2006-05-23 G.E. Medical Systems Global Technology Company, Llc Methods and apparatus for artifact reduction in cone beam CT image reconstruction
US7173996B2 (en) * 2004-07-16 2007-02-06 General Electric Company Methods and apparatus for 3D reconstruction in helical cone beam volumetric CT
US7734079B2 (en) * 2004-09-28 2010-06-08 General Electric Company Methods and apparatus for image reconstruction
US7394887B2 (en) * 2004-10-15 2008-07-01 General Electric Company Method and apparatus for reconstruction of tilted cone beam data
ATE499600T1 (de) * 2004-12-17 2011-03-15 Koninkl Philips Electronics Nv Elektronencomputertomografie und elektronencomputertomograf
US7570733B2 (en) * 2005-06-10 2009-08-04 General Electric Company Step-and-shoot cardiac CT imaging
JP2007044207A (ja) * 2005-08-09 2007-02-22 Ge Medical Systems Global Technology Co Llc 放射線ｃｔ撮影方法およびｘ線ｃｔ装置
US7613275B2 (en) * 2005-12-19 2009-11-03 General Electric Company Method and apparatus for reducing cone beam artifacts using spatially varying weighting functions
JP2008006032A (ja) * 2006-06-29 2008-01-17 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置およびｘ線ｃｔ撮影方法
JP5498788B2 (ja) * 2006-08-25 2014-05-21 コーニンクレッカ フィリップス エヌ ヴェ マルチ管ｘ線検出
CN100551465C (zh) * 2006-12-25 2009-10-21 深圳市海博科技有限公司 一种放射治疗中病人靶区自动定位的方法
EP2282050B1 (en) * 2009-06-30 2016-03-16 Siemens Aktiengesellschaft Method to inspect a wind turbine blade
US11944469B2 (en) 2010-03-12 2024-04-02 Mobius Imaging Llc Caster system for mobile apparatus
JP5899208B2 (ja) * 2010-05-27 2016-04-06 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 偏心フラットパネル検出器による、コーンビーム・コンピュータ断層撮影画像形成のための改善された再構成
WO2012139014A2 (en) 2011-04-07 2012-10-11 Mobius Imaging, Llc Mobile x-ray imaging system
US8861829B2 (en) 2011-09-30 2014-10-14 General Electric Company Method and system for reconstruction of tomographic images
US10987068B2 (en) 2012-06-14 2021-04-27 Mobius Imaging Llc Multi-directional x-ray imaging system
EP2967470B1 (en) 2013-03-15 2020-10-21 Mobius Imaging, Llc Caster system for mobile apparatus
US10835190B2 (en) 2013-03-15 2020-11-17 Mobius Imaging, Llc Mobile X-ray imaging system
US10980692B2 (en) 2016-08-29 2021-04-20 Mobius Imaging, Llc Table system for medical imaging
US11197643B2 (en) 2018-03-16 2021-12-14 Mobius Imaging, Llc Medical x-ray imaging systems and methods
CN109685867B (zh) * 2018-12-29 2023-05-30 上海联影医疗科技股份有限公司 一种ct系统、图像重建方法、装置、设备及介质

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Publication number Priority date Publication date Assignee Title
JP3290726B2 (ja) * 1992-12-18 2002-06-10 浜松ホトニクス株式会社 透過型三次元断層撮影装置
US5611026A (en) * 1992-12-21 1997-03-11 General Electric Company Combining a priori data with partial scan data to project three dimensional imaging of arbitrary objects with computerized tomography
JP2914891B2 (ja) * 1995-07-05 1999-07-05 株式会社東芝 Ｘ線コンピュータ断層撮影装置
JPH09262230A (ja) * 1996-03-29 1997-10-07 Toshiba Corp Ｘ線ｃｔ装置
US5727041A (en) * 1996-11-13 1998-03-10 General Electric Company Methods and apparatus for reducing partial volume image artifacts
US5802134A (en) * 1997-04-09 1998-09-01 Analogic Corporation Nutating slice CT image reconstruction apparatus and method
WO1999018854A1 (en) * 1997-10-10 1999-04-22 Analogic Corporation Computed tomography scanning target detection
DE19843812A1 (de) * 1998-09-24 2000-03-30 Philips Corp Intellectual Pty Computertomographie-Verfahren mit kegelförmigem Strahlenbündel
DE10014668A1 (de) * 1999-02-22 2001-10-04 Gen Electric Computertomographierekonstruktion unter Verwendung einer Schattenzonenausbesserung
US6263040B1 (en) * 1999-08-10 2001-07-17 General Electric Company Methods and apparatus for cone-tilted parallel sampling and reconstruction
JP2001212128A (ja) * 2000-02-03 2001-08-07 Ge Yokogawa Medical Systems Ltd Ｘ線ｃｔ装置及びその撮影方法
JP2001286459A (ja) * 2000-04-05 2001-10-16 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置及びその撮影方法
DE10021219A1 (de) * 2000-04-29 2001-10-31 Philips Corp Intellectual Pty Computertomographie-Verfahren

Also Published As

Publication number Publication date
IL153370A (en) 2010-05-17
IL153370A0 (en) 2003-07-06
EP1327960A2 (en) 2003-07-16
JP2003210452A (ja) 2003-07-29
US6490333B1 (en) 2002-12-03
EP1327960A3 (en) 2003-12-03

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