JP4282302B2 - Ｘ線ｃｔ装置 - Google Patents

Ｘ線ｃｔ装置 Download PDF

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Publication number
JP4282302B2
JP4282302B2 JP2002301432A JP2002301432A JP4282302B2 JP 4282302 B2 JP4282302 B2 JP 4282302B2 JP 2002301432 A JP2002301432 A JP 2002301432A JP 2002301432 A JP2002301432 A JP 2002301432A JP 4282302 B2 JP4282302 B2 JP 4282302B2
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JP
Japan
Prior art keywords
data
dimensional
ray
scan
trajectory
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Expired - Fee Related
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JP2002301432A
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English (en)
Japanese (ja)
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JP2003199740A5 (enExample
JP2003199740A (ja
Inventor
克行 田口
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Toshiba Corp
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Toshiba Corp
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Priority to JP2002301432A priority Critical patent/JP4282302B2/ja
Priority to US10/278,872 priority patent/US6907100B2/en
Priority to CN02151818.1A priority patent/CN1289034C/zh
Publication of JP2003199740A publication Critical patent/JP2003199740A/ja
Publication of JP2003199740A5 publication Critical patent/JP2003199740A5/ja
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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
    • A61B6/02—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
    • 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
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • A61B6/5264—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to motion
    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/412—Dynamic
    • 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)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Pulmonology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2002301432A 2001-10-25 2002-10-16 Ｘ線ｃｔ装置 Expired - Fee Related JP4282302B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2002301432A JP4282302B2 (ja) 2001-10-25 2002-10-16 Ｘ線ｃｔ装置
US10/278,872 US6907100B2 (en) 2001-10-25 2002-10-24 Cone beam type of X-ray CT system for three-dimensional reconstruction
CN02151818.1A CN1289034C (zh) 2001-10-25 2002-10-25 X射线ct装置、三维图象再次构成方法及权重设定方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001-327789 2001-10-25
JP2001327789 2001-10-25
JP2002301432A JP4282302B2 (ja) 2001-10-25 2002-10-16 Ｘ線ｃｔ装置

Publications (3)

Publication Number Publication Date
JP2003199740A JP2003199740A (ja) 2003-07-15
JP2003199740A5 JP2003199740A5 (enExample) 2005-12-02
JP4282302B2 true JP4282302B2 (ja) 2009-06-17

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Family Applications (1)

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JP2002301432A Expired - Fee Related JP4282302B2 (ja) 2001-10-25 2002-10-16 Ｘ線ｃｔ装置

Country Status (3)

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US (1) US6907100B2 (enExample)
JP (1) JP4282302B2 (enExample)
CN (1) CN1289034C (enExample)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7672426B2 (en) * 2002-12-04 2010-03-02 Varian Medical Systems, Inc. Radiation scanning units with reduced detector requirements
US7189000B2 (en) * 2003-12-22 2007-03-13 Kabushiki Kaisha Toshiba Image-quality control system
US7250949B2 (en) * 2003-12-23 2007-07-31 General Electric Company Method and system for visualizing three-dimensional data
JP4498023B2 (ja) * 2004-06-15 2010-07-07 キヤノン株式会社 Ｘ線ｃｔ装置
JP4777346B2 (ja) * 2004-06-28 2011-09-21 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 灌流調査のための検査装置
WO2006040715A1 (en) * 2004-10-11 2006-04-20 Philips Intellectual Property & Standards Gmbh Imaging system for the generation of high-quality x-ray projections
WO2006040713A1 (en) * 2004-10-15 2006-04-20 Philips Intellectual Property & Standards Gmbh Computer tomography method
WO2006073584A2 (en) * 2004-11-24 2006-07-13 Wisconsin Alumni Research Foundation Cone-beam filtered backprojection image reconstruction method for short trajectories
FI20055168A0 (fi) * 2005-04-13 2005-04-13 Gen Electric Tomografiamenetelmä
US7991558B2 (en) * 2005-09-29 2011-08-02 Roche Molecular Systems, Inc. Systems and methods for determining real-time PCR cycle thresholds using cluster analysis
CN100447816C (zh) * 2005-12-31 2008-12-31 清华大学 Ct投影数据三维解析模拟方法
US7831012B2 (en) * 2006-02-09 2010-11-09 L-3 Communications Security and Detection Systems Inc. Radiation scanning systems and methods
US8983024B2 (en) 2006-04-14 2015-03-17 William Beaumont Hospital Tetrahedron beam computed tomography with multiple detectors and/or source arrays
CN102988074A (zh) * 2006-04-14 2013-03-27 威廉博蒙特医院 扫描狭槽锥形束计算机断层摄影以及扫描聚焦光斑锥形束计算机断层摄影
US9339243B2 (en) 2006-04-14 2016-05-17 William Beaumont Hospital Image guided radiotherapy with dual source and dual detector arrays tetrahedron beam computed tomography
EP1986551A1 (en) * 2006-04-19 2008-11-05 Philips Intellectual Property & Standards GmbH Cone beam computed tomography with multiple partial scanning trajectories
CA2905989C (en) * 2006-05-25 2017-01-24 Di Yan Real-time, on-line and offline treatment dose tracking and feedback process for volumetric image guided adaptive radiotherapy
JP4322894B2 (ja) * 2006-06-20 2009-09-02 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
US7995819B2 (en) * 2006-10-30 2011-08-09 General Electric Company Methods for displaying a location of a point of interest on a 3-D model of an anatomical region
WO2008064367A2 (en) 2006-11-24 2008-05-29 Kabushiki Kaisha Toshiba Method and system for tomographic reconstruction in medical imaging using the circle and line trajectory
DE102007022714A1 (de) * 2007-05-15 2008-12-04 Siemens Ag Verfahren zur Streustrahlungskorrektur bei einem Röntgen-Computertomografie-System und Verfahren zur Erzeugung einer streustrahlungskorrigierten tomografischen Darstellung, sowie Röntgen-Computertomografie-System
DE102007025678A1 (de) * 2007-06-01 2008-12-04 Rwth Aachen Verfahren zur Bildverarbeitung und Bildverarbeitungseinrichtung
US8822409B2 (en) * 2007-06-20 2014-09-02 Phylogica Limited Compositions and uses thereof for the treatment of acute respiratory distress syndrome (ARDS) and clinical disorders associated with therewith
US7848479B1 (en) * 2007-06-29 2010-12-07 University Of Central Florida Research Foundation, Inc. Image reconstruction for a general circle-plus trajectory
JP5269358B2 (ja) * 2007-07-18 2013-08-21 株式会社東芝 Ｘ線ｃｔ装置
JP5525706B2 (ja) * 2007-07-25 2014-06-18 株式会社東芝 Ｘ線コンピュータ断層撮影装置
US7929742B2 (en) * 2007-09-28 2011-04-19 Siemens Medical Solutions Usa, Inc. Method and system for computed tomographic imaging
JP5142664B2 (ja) * 2007-10-25 2013-02-13 株式会社東芝 Ｘ線コンピュータ断層撮影装置
JP2009142300A (ja) * 2007-12-11 2009-07-02 Toshiba Corp Ｘ線ｃｔ装置、及びスキャン計画作成方法
KR100923094B1 (ko) 2008-01-15 2009-10-22 (주)이우테크놀로지 트렁케이션 아티팩트를 보정하는 방법
EP2277145A1 (en) * 2008-05-06 2011-01-26 Koninklijke Philips Electronics N.V. Image artifact reduction
JP5461803B2 (ja) * 2008-08-22 2014-04-02 株式会社東芝 Ｘ線ｃｔ装置
JP5340748B2 (ja) * 2009-01-05 2013-11-13 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
US9208937B2 (en) 2009-02-27 2015-12-08 Cyntec Co., Ltd. Choke having a core with a pillar having a non-circular and non-rectangular cross section
US8212641B2 (en) * 2009-02-27 2012-07-03 Cyntec Co., Ltd. Choke
USRE48472E1 (en) 2009-02-27 2021-03-16 Cyntec Co., Ltd. Choke having a core with a pillar having a non-circular and non-rectangular cross section
US9117580B2 (en) 2009-02-27 2015-08-25 Cyntec Co., Ltd. Choke
US8559687B2 (en) * 2009-10-30 2013-10-15 Kabushiki Kaisha Toshiba Method for circular scan reconstruction in computed tomography and computed tomographic device
CN102686277B (zh) 2010-01-05 2016-10-12 威廉博蒙特医院 采用连续的躺椅旋转/移位和同时进行的锥形射束成像的调强电弧治疗
JP5417644B2 (ja) * 2010-02-10 2014-02-19 株式会社東芝 粒子線ビーム照射装置及びその制御方法
CN102918565B (zh) * 2010-05-27 2016-06-01 皇家飞利浦电子股份有限公司 用于采用偏心平板检测器的锥形射束计算机断层摄影成像的改进重建
BR112013000907A2 (pt) * 2010-07-16 2017-10-31 Univ Denmark Tech Dtu composição, partícula nanodimensionada para uso em registro de imagem de raios-x e método para tratamento de uma condição ou doença associada ao crescimento indesejável de células em um indivíduo com necessidade dele
US8437522B2 (en) * 2011-02-17 2013-05-07 Kabushiki Kaisha Toshiba Motion index for medical imaging data based upon Grangeat's formula
US8805037B2 (en) 2011-05-31 2014-08-12 General Electric Company Method and system for reconstruction of tomographic images
CN103239253B (zh) * 2012-02-14 2015-07-15 株式会社东芝 医用图像诊断装置
US9069092B2 (en) 2012-02-22 2015-06-30 L-3 Communication Security and Detection Systems Corp. X-ray imager with sparse detector array
CN102973291B (zh) * 2012-12-20 2015-03-11 电子科技大学 C型臂半精确滤波反投影断层成像方法
US9091628B2 (en) 2012-12-21 2015-07-28 L-3 Communications Security And Detection Systems, Inc. 3D mapping with two orthogonal imaging views
KR101534098B1 (ko) * 2013-09-13 2015-07-07 삼성전자주식회사 Ｃｔ 장치 및 이를 이용한 엑스선 제어 방법
WO2015200300A1 (en) * 2014-06-23 2015-12-30 University Of Maryland, Baltimore Techniques for suppression of motion artifacts in medical imaging
CN106534861B (zh) * 2016-11-25 2019-10-01 中北大学 图像压缩及解压方法及装置
WO2019230741A1 (ja) * 2018-05-28 2019-12-05 国立研究開発法人理化学研究所 角度オフセットによる断層画像データの取得方法、取得装置、および制御プログラム
JP2024048207A (ja) * 2022-09-27 2024-04-08 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔ装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5784481A (en) 1996-06-25 1998-07-21 General Electric Company CT cone beam image reconstruction with circle and line scan path
US5706325A (en) 1996-12-05 1998-01-06 General Electric Company Exact regional reconstruction of longitudinally-unbounded objects using a circle-and-line cone beam tomographic system
US5970111A (en) * 1997-09-30 1999-10-19 Siemens Corporate Research, Inc. Fast and efficient multiprocessor implementation for exact for an exact cone beam image reconstruction
US6014419A (en) 1997-11-07 2000-01-11 Hu; Hui CT cone beam scanner with fast and complete data acquistion and accurate and efficient regional reconstruction
US5960055A (en) * 1997-12-19 1999-09-28 Siemens Corporate Research, Inc. Fast cone beam image reconstruction using a detector weight list
US6009142A (en) * 1998-03-31 1999-12-28 Siemens Corporate Research, Inc. Practical cone beam image reconstruction using local regions-of-interest
DE19842859A1 (de) * 1998-09-18 2000-03-23 Basf Ag Additive für Zement enthaltende mineralische Baustoffe
US6584186B1 (en) * 2000-01-12 2003-06-24 Lucent Technologies Inc. Protecting communications network integrity
US6542570B1 (en) 2000-04-14 2003-04-01 Kabushiki Kaisha Toshiba Method and system for reconstructing computed tomography images using redundant data
US6546067B2 (en) 2001-01-30 2003-04-08 Kabushiki Kaisha Toshiba Reconstruction and scan of 4D-CT
US6584166B2 (en) 2001-04-03 2003-06-24 Kabushiki Kaisha Toshiba X-ray computerized tomographic apparatus
US6560308B1 (en) 2001-10-26 2003-05-06 Kabushiki Kaisha Toshiba Method and system for approximating missing data in cone beam x-ray CT reconstruction
US6574297B2 (en) * 2001-10-30 2003-06-03 Siemens Corporate Research, Inc. System and method for image reconstruction in a cone beam imaging system

Also Published As

Publication number Publication date
CN1289034C (zh) 2006-12-13
CN1437914A (zh) 2003-08-27
JP2003199740A (ja) 2003-07-15
US20040086074A1 (en) 2004-05-06
US6907100B2 (en) 2005-06-14

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