NL1032848A1 - Röntgen-CT-beeldvormingswerkwijze en röntgen-CT-apparatuur. - Google Patents

Röntgen-CT-beeldvormingswerkwijze en röntgen-CT-apparatuur.

Info

Publication number
NL1032848A1
NL1032848A1 NL1032848A NL1032848A NL1032848A1 NL 1032848 A1 NL1032848 A1 NL 1032848A1 NL 1032848 A NL1032848 A NL 1032848A NL 1032848 A NL1032848 A NL 1032848A NL 1032848 A1 NL1032848 A1 NL 1032848A1
Authority
NL
Netherlands
Prior art keywords
ray
equipment
imaging method
imaging
Prior art date
Application number
NL1032848A
Other languages
English (en)
Other versions
NL1032848C2 (nl
Inventor
Akihiko Nishide
Akira Hagiwara
Original Assignee
Ge Med Sys Global Tech Co Llc
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 Ge Med Sys Global Tech Co Llc filed Critical Ge Med Sys Global Tech Co Llc
Publication of NL1032848A1 publication Critical patent/NL1032848A1/nl
Application granted granted Critical
Publication of NL1032848C2 publication Critical patent/NL1032848C2/nl

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Classifications

    • 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]
    • 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]
    • 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
    • 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
    • A61B6/4064—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
    • A61B6/48—Diagnostic techniques
    • A61B6/488—Diagnostic techniques involving pre-scan acquisition
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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
    • 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
    • A61B6/52—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
    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms
    • 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
    • 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
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/612—Specific applications or type of materials biological material
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Optics & Photonics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
NL1032848A 2005-11-11 2006-11-10 Röntgen-CT-beeldvormingswerkwijze en röntgen-CT-apparatuur. NL1032848C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005327266 2005-11-11
JP2005327266A JP4675753B2 (ja) 2005-11-11 2005-11-11 Ｘ線ｃｔ装置

Publications (2)

Publication Number Publication Date
NL1032848A1 true NL1032848A1 (nl) 2007-05-14
NL1032848C2 NL1032848C2 (nl) 2008-02-28

Family

ID=38056221

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1032848A NL1032848C2 (nl) 2005-11-11 2006-11-10 Röntgen-CT-beeldvormingswerkwijze en röntgen-CT-apparatuur.

Country Status (6)

Country Link
US (1) US7492854B2 (nl)
JP (1) JP4675753B2 (nl)
KR (1) KR20070050853A (nl)
CN (1) CN1969759B (nl)
DE (1) DE102006053678A1 (nl)
NL (1) NL1032848C2 (nl)

Cited By (1)

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CN111166364A (zh) * 2020-02-13 2020-05-19 北京锐视康科技发展有限公司 基于光学摄影的平板探测器旋转中心的测定方法及其***

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US8057098B2 (en) * 2006-01-12 2011-11-15 Kabushiki Kaisha Toshiba X-ray CT apparatus and method of creating correction data for X-ray CT
US8233690B2 (en) * 2008-04-30 2012-07-31 Real-Time Tomography, Llc Dynamic tomographic image reconstruction and rendering on-demand
US20090310740A1 (en) * 2008-06-16 2009-12-17 General Electric Company Computed tomography method and system
WO2011128792A2 (en) * 2010-04-16 2011-10-20 Koninklijke Philips Electronics N.V. Image data reformatting
CN102456227B (zh) * 2010-10-28 2015-05-27 清华大学 Ct图像重建方法及装置
KR101214397B1 (ko) * 2010-11-22 2013-01-09 한국전기연구원 패치인공물 저감기능을 갖는 압축검출 방식 기반 단층촬영 장치 및 그 방법
US8767910B2 (en) * 2011-06-22 2014-07-01 Medtronic Navigation, Inc. Hybrid multi-row detector and flat panel imaging system
JP6307763B2 (ja) * 2013-03-29 2018-04-11 朝日レントゲン工業株式会社 画像再構成装置、画像再構成方法、及びｘ線撮影装置
KR20190033621A (ko) * 2016-08-11 2019-03-29 프리스매틱 센서즈 에이비 컴퓨터 단층촬영을 위한 데이터 획득
CN107462590B (zh) * 2017-08-30 2023-11-24 中国特种设备检测研究院 一种ct层析***探测器位姿调整装置
CN108283502B (zh) * 2018-02-12 2021-05-25 沈阳晟诺科技有限公司 一种焦点移动式ct机、扫描方法及图像重建方法
CN109741434B (zh) * 2018-12-28 2022-11-01 深圳安科高技术股份有限公司 一种基于体积驱动的投影方法及其***
CN111388880B (zh) * 2020-03-20 2022-06-14 上海联影医疗科技股份有限公司 一种弧形放射治疗校验方法、装置、设备及存储介质
CN113229834A (zh) * 2021-05-19 2021-08-10 有方（合肥）医疗科技有限公司 锥形束ct***的重建图像获取方法、***及存储介质
CN113885087B (zh) * 2021-09-29 2024-05-24 北京航星机器制造有限公司 一种安检ct的图像重建方法
CN115956938B (zh) * 2023-03-15 2023-05-19 有方（合肥）医疗科技有限公司 基于多精度重建的成像方法及装置
CN116196022B (zh) * 2023-04-28 2023-08-04 之江实验室 扇形x光束穿过介质时的通量分布计算方法和***

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111166364A (zh) * 2020-02-13 2020-05-19 北京锐视康科技发展有限公司 基于光学摄影的平板探测器旋转中心的测定方法及其***

Also Published As

Publication number Publication date
JP4675753B2 (ja) 2011-04-27
JP2007130288A (ja) 2007-05-31
KR20070050853A (ko) 2007-05-16
CN1969759A (zh) 2007-05-30
US7492854B2 (en) 2009-02-17
NL1032848C2 (nl) 2008-02-28
US20070110209A1 (en) 2007-05-17
DE102006053678A1 (de) 2007-06-14
CN1969759B (zh) 2012-04-25

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Effective date: 20100601