CN103315758B - X射线ct装置 - Google Patents

X射线ct装置 Download PDF

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Publication number
CN103315758B
CN103315758B CN201310091266.7A CN201310091266A CN103315758B CN 103315758 B CN103315758 B CN 103315758B CN 201310091266 A CN201310091266 A CN 201310091266A CN 103315758 B CN103315758 B CN 103315758B
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China
Prior art keywords
ray
unit
reconstruction function
reconstruction
statistic
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CN201310091266.7A
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Chinese (zh)
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CN103315758A (zh
Inventor
秋野成臣
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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]
    • 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
    • A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • 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

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • General Physics & Mathematics (AREA)
  • Pulmonology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201310091266.7A 2012-03-22 2013-03-21 X射线ct装置 Active CN103315758B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012064692A JP6139821B2 (ja) 2012-03-22 2012-03-22 Ｘ線ｃｔ装置
JP2012-064692 2012-03-22

Publications (2)

Publication Number Publication Date
CN103315758A CN103315758A (zh) 2013-09-25
CN103315758B true CN103315758B (zh) 2015-07-15

Family

ID=49185012

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310091266.7A Active CN103315758B (zh) 2012-03-22 2013-03-21 X射线ct装置

Country Status (3)

Country Link
US (1) US9226715B2 (enExample)
JP (1) JP6139821B2 (enExample)
CN (1) CN103315758B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2017051395A (ja) * 2015-09-09 2017-03-16 富士フイルム株式会社 放射線画像処理装置、方法およびプログラム
JP6814008B2 (ja) * 2016-09-29 2021-01-13 ゼネラル・エレクトリック・カンパニイ 放射線断層撮影装置及びその制御プログラム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6493416B1 (en) * 2001-11-21 2002-12-10 Ge Medical Systems Global Technology Company, Llc Method and apparatus for noise reduction in computed tomographic systems
CN1596830A (zh) * 2003-05-09 2005-03-23 株式会社东芝 X射线计算机断层摄影装置和图象质量模拟装置
US7376255B2 (en) * 2004-06-23 2008-05-20 General Electric Company System and method for image reconstruction
CN101320468A (zh) * 2007-06-07 2008-12-10 株式会社东芝 数据处理装置、医用诊断装置、数据处理方法以及医用诊断方法
JP4549783B2 (ja) * 2004-09-01 2010-09-22 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 画像処理装置及びプログラム並びにｘ線ｃｔ装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08215189A (ja) 1995-02-10 1996-08-27 Toshiba Medical Eng Co Ltd Ｘ線ｃｔ装置及びその画像再構成法
JP4408976B2 (ja) 1998-12-16 2010-02-03 株式会社東芝 Ｘ線ｃｔ装置
JP4865291B2 (ja) * 2005-10-11 2012-02-01 株式会社日立メディコ Ｘ線撮像装置
JP5199541B2 (ja) * 2006-01-31 2013-05-15 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
US7542541B2 (en) * 2006-10-20 2009-06-02 General Electric Company View weighting methods and apparatus
JP2009125250A (ja) * 2007-11-22 2009-06-11 Hitachi Medical Corp Ｘ線ｃｔ装置
US8135186B2 (en) * 2008-01-25 2012-03-13 Purdue Research Foundation Method and system for image reconstruction
DE102008053110A1 (de) * 2008-06-27 2009-12-31 Siemens Aktiengesellschaft Verfahren zur Rekonstruktion von CT-Bilddaten
US7885371B2 (en) * 2008-08-28 2011-02-08 General Electric Company Method and system for image reconstruction
WO2010038536A1 (ja) * 2008-09-30 2010-04-08 株式会社 日立メディコ Ｘ線ｃｔ装置
WO2011158893A1 (ja) * 2010-06-17 2011-12-22 株式会社 日立メディコ Ｘ線ｃt装置、及びその制御方法
CN102947861B (zh) * 2010-06-21 2016-06-29 皇家飞利浦电子股份有限公司 用于在低剂量计算机断层摄影中降低噪声的方法和系统
US8712134B2 (en) * 2011-10-18 2014-04-29 Kabushiki Kaisha Toshiba Method and system for expanding axial coverage in iterative reconstruction in computer tomography (CT)

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6493416B1 (en) * 2001-11-21 2002-12-10 Ge Medical Systems Global Technology Company, Llc Method and apparatus for noise reduction in computed tomographic systems
CN1596830A (zh) * 2003-05-09 2005-03-23 株式会社东芝 X射线计算机断层摄影装置和图象质量模拟装置
US7376255B2 (en) * 2004-06-23 2008-05-20 General Electric Company System and method for image reconstruction
JP4549783B2 (ja) * 2004-09-01 2010-09-22 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 画像処理装置及びプログラム並びにｘ線ｃｔ装置
CN101320468A (zh) * 2007-06-07 2008-12-10 株式会社东芝 数据处理装置、医用诊断装置、数据处理方法以及医用诊断方法

Also Published As

Publication number Publication date
US20130251093A1 (en) 2013-09-26
US9226715B2 (en) 2016-01-05
CN103315758A (zh) 2013-09-25
JP2013192827A (ja) 2013-09-30
JP6139821B2 (ja) 2017-05-31

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Effective date of registration: 20160805

Address after: Japan Tochigi

Patentee after: Toshiba Medical System Co., Ltd.

Address before: Tokyo, Japan, Japan

Patentee before: Toshiba Corp

Patentee before: Toshiba Medical System Co., Ltd.