JP5525706B2 - Ｘ線コンピュータ断層撮影装置 - Google Patents

Ｘ線コンピュータ断層撮影装置 Download PDF

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JP5525706B2
JP5525706B2 JP2008188980A JP2008188980A JP5525706B2 JP 5525706 B2 JP5525706 B2 JP 5525706B2 JP 2008188980 A JP2008188980 A JP 2008188980A JP 2008188980 A JP2008188980 A JP 2008188980A JP 5525706 B2 JP5525706 B2 JP 5525706B2
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data
correction
reconstruction
computed tomography
volume data
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JP2009045449A (ja
JP2009045449A5 (enExample
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哲也 堀内
知 中西
成臣 秋野
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Toshiba Corp
Canon Medical Systems Corp
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Toshiba Corp
Toshiba Medical Systems Corp
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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]
    • 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
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/432—Truncation

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Algebra (AREA)
  • Pulmonology (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
JP2008188980A 2007-07-25 2008-07-22 Ｘ線コンピュータ断層撮影装置 Active JP5525706B2 (ja)

Priority Applications (1)

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JP2008188980A JP5525706B2 (ja) 2007-07-25 2008-07-22 Ｘ線コンピュータ断層撮影装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007193690 2007-07-25
JP2007193690 2007-07-25
JP2008188980A JP5525706B2 (ja) 2007-07-25 2008-07-22 Ｘ線コンピュータ断層撮影装置

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JP2013106267A Division JP5707442B2 (ja) 2007-07-25 2013-05-20 Ｘ線コンピュータ断層撮影装置

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JP2009045449A JP2009045449A (ja) 2009-03-05
JP2009045449A5 JP2009045449A5 (enExample) 2012-09-20
JP5525706B2 true JP5525706B2 (ja) 2014-06-18

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JP2013106267A Active JP5707442B2 (ja) 2007-07-25 2013-05-20 Ｘ線コンピュータ断層撮影装置

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JP (2) JP5525706B2 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5405229B2 (ja) * 2008-08-11 2014-02-05 株式会社東芝 Ｘ線コンピュータ断層撮影装置
WO2010028027A1 (en) * 2008-09-03 2010-03-11 Mayo Foundation For Medical Education And Research Method for reconstruction in dual energy, dual source helical computed tomography
DE102009036232A1 (de) * 2009-08-05 2011-02-17 Siemens Aktiengesellschaft CT-Bildrekonstruktion für eine verbesserte Zeitauflösung in der Cardio-CT
JP5619525B2 (ja) 2009-09-30 2014-11-05 株式会社東芝 Ｘ線コンピュータ断層撮影装置及び画像処理装置
US8559687B2 (en) * 2009-10-30 2013-10-15 Kabushiki Kaisha Toshiba Method for circular scan reconstruction in computed tomography and computed tomographic device
DE102010024684B8 (de) * 2010-06-23 2019-08-22 Siemens Healthcare Gmbh Verfahren zur Rekonstruktion von Bilddaten eines bewegten Untersuchungsobjektes, Steuer- und Recheneinheit, Computertomographiesystem und Computerprogramm
US9076255B2 (en) * 2011-05-31 2015-07-07 General Electric Company Method and system for reconstruction of tomographic images
US8615121B2 (en) 2011-05-31 2013-12-24 General Electric Company Reconstruction of projection data to generate tomographic images having improved frequency characteristics
US20130051516A1 (en) * 2011-08-31 2013-02-28 Carestream Health, Inc. Noise suppression for low x-ray dose cone-beam image reconstruction
US8861829B2 (en) 2011-09-30 2014-10-14 General Electric Company Method and system for reconstruction of tomographic images
US8731269B2 (en) * 2011-10-19 2014-05-20 Kabushiki Kaisha Toshiba Method and system for substantially reducing artifacts in circular cone beam computer tomography (CT)
DE102012203086A1 (de) * 2012-02-29 2013-08-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Bildverarbeitungsvorrichtung eines computertomographie-systems
CN103913779B (zh) * 2012-12-31 2017-07-07 清华大学 多能ct成像系统以及成像方法
US9558569B2 (en) * 2014-08-12 2017-01-31 Toshiba Medical Systems Corporation Method and system for substantially reducing cone beam artifacts based upon image domain differentiation in circular computer tomography (CT)
CN104323789B (zh) * 2014-09-25 2017-08-25 沈阳东软医疗系统有限公司 一种ct扫描图像重建方法及ct扫描仪
KR20160057935A (ko) * 2014-11-14 2016-05-24 삼성전자주식회사 단층 영상 장치 및 그에 따른 단층 영상 복원 방법
US9805448B2 (en) * 2015-02-26 2017-10-31 Toshiba Medical Systems Corporation Method and apparatus for computed tomography using asymetric filter for volume half reconstruction
WO2018115025A1 (en) * 2016-12-21 2018-06-28 Koninklijke Philips N.V. Redundancy weighting for short scan off-center detector x-ray tomography
EP3441004B1 (de) * 2017-08-11 2019-12-11 Siemens Healthcare GmbH Verfahren zur aufnahme eines bilddatensatzes mit einem röntgenbildgebungssystem und röntgenbildgebungssystem
US12343190B2 (en) 2018-09-26 2025-07-01 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for image generation
WO2020061814A1 (en) 2018-09-26 2020-04-02 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for image generation
US12141899B2 (en) 2019-03-25 2024-11-12 Koninklijke Philips N.V. Cone beam artifact correction for gated imaging
US11026642B2 (en) 2019-03-29 2021-06-08 Canon Medical Systems Corporation Apparatuses and a method for artifact reduction in medical images using a neural network
WO2020229237A1 (en) 2019-05-10 2020-11-19 Koninklijke Philips N.V. Cone beam artifact correction for gated imaging

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0630927A (ja) * 1992-07-17 1994-02-08 Yokogawa Medical Syst Ltd 放射線ｃｔの高速逆投影演算を行う画像再構成方法と画像再構成装置
JP3285944B2 (ja) * 1992-08-12 2002-05-27 株式会社東芝 コンピュータ断層撮影装置
JPH0947449A (ja) * 1995-05-26 1997-02-18 Toshiba Medical Eng Co Ltd Ｘ線ｃｔ装置
JP3788846B2 (ja) * 1997-06-23 2006-06-21 株式会社東芝 Ｘ線コンピュータ断層撮影装置
US5999587A (en) * 1997-07-03 1999-12-07 University Of Rochester Method of and system for cone-beam tomography reconstruction
DE19804382C2 (de) * 1998-02-04 2002-08-08 Siemens Ag Bildrekonstruktionsverfahren für einen Computertomographen
US6504892B1 (en) * 2000-10-13 2003-01-07 University Of Rochester System and method for cone beam volume computed tomography using circle-plus-multiple-arc orbit
US7305061B2 (en) * 2001-08-16 2007-12-04 Research Foundation Of The University Of Central Florida Efficient image reconstruction algorithm for the circle and arc cone beam computer tomography
JP4282302B2 (ja) * 2001-10-25 2009-06-17 株式会社東芝 Ｘ線ｃｔ装置
JP2005137390A (ja) * 2003-11-04 2005-06-02 Ge Medical Systems Global Technology Co Llc Ｃｔ画像生成方法およびｘ線ｃｔ装置
JP3944173B2 (ja) * 2004-02-05 2007-07-11 キヤノン株式会社 放射線画像処理装置及び処理方法
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
JP4828839B2 (ja) 2005-03-07 2011-11-30 株式会社東芝 Ｘ線コンピュータ断層撮影装置、画像処理装置及び画像処理方法
JP4785441B2 (ja) * 2005-06-23 2011-10-05 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装置
JP4611168B2 (ja) * 2005-10-07 2011-01-12 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 画像再構成方法、およびｘ線ｃｔ装置
JP5097355B2 (ja) * 2006-03-29 2012-12-12 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 放射線断層撮影装置

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US20090028288A1 (en) 2009-01-29
JP2009045449A (ja) 2009-03-05
US7751524B2 (en) 2010-07-06
JP5707442B2 (ja) 2015-04-30
JP2013166018A (ja) 2013-08-29

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