IL96050A - A method of reconstructing a computed tomographic image for the local scan - Google Patents

A method of reconstructing a computed tomographic image for the local scan

Info

Publication number
IL96050A
IL96050A IL9605090A IL9605090A IL96050A IL 96050 A IL96050 A IL 96050A IL 9605090 A IL9605090 A IL 9605090A IL 9605090 A IL9605090 A IL 9605090A IL 96050 A IL96050 A IL 96050A
Authority
IL
Israel
Prior art keywords
data
half scan
scan
gantry
slice
Prior art date
Application number
IL9605090A
Other languages
English (en)
Hebrew (he)
Other versions
IL96050A0 (en
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IL96050A0 publication Critical patent/IL96050A0/xx
Publication of IL96050A publication Critical patent/IL96050A/en

Links

Classifications

    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • 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)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pulmonology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Analysis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Nuclear Medicine (AREA)
  • Image Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Facsimile Scanning Arrangements (AREA)
IL9605090A 1989-11-02 1990-10-17 A method of reconstructing a computed tomographic image for the local scan IL96050A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/430,372 US5270923A (en) 1989-11-02 1989-11-02 Computed tomographic image reconstruction method for helical scanning using interpolation of partial scans for image construction

Publications (2)

Publication Number Publication Date
IL96050A0 IL96050A0 (en) 1991-07-18
IL96050A true IL96050A (en) 1996-12-05

Family

ID=23707276

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9605090A IL96050A (en) 1989-11-02 1990-10-17 A method of reconstructing a computed tomographic image for the local scan

Country Status (6)

Country Link
US (1) US5270923A (fr)
EP (1) EP0426464B1 (fr)
JP (1) JPH0661326B2 (fr)
CA (1) CA2021624A1 (fr)
DE (1) DE69033921T2 (fr)
IL (1) IL96050A (fr)

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US5396418A (en) * 1988-10-20 1995-03-07 Picker International, Inc. Four dimensional spiral volume imaging using fast retrace
US5485493A (en) * 1988-10-20 1996-01-16 Picker International, Inc. Multiple detector ring spiral scanner with relatively adjustable helical paths
US5233518A (en) * 1989-11-13 1993-08-03 General Electric Company Extrapolative reconstruction method for helical scanning
US5454019A (en) * 1991-03-15 1995-09-26 Hitachi, Ltd. Computed tomography system
US5515409A (en) * 1994-12-22 1996-05-07 General Electric Company Helical interpolative algorithm for image reconstruction in a CT system
US5491735A (en) * 1994-12-22 1996-02-13 General Electric Company Image reconstruction apparatus and method for helical scanning
US5513236A (en) * 1995-01-23 1996-04-30 General Electric Company Image reconstruction for a CT system implementing a dual fan beam helical scan
US5761333A (en) * 1995-01-31 1998-06-02 General Electric Company Contrast enhancement for CT systems
US5541970A (en) * 1995-05-09 1996-07-30 General Electric Company Image reconstruction for a CT system implementing a four fan beam helical scan
JPH08308827A (ja) * 1995-05-24 1996-11-26 Ge Yokogawa Medical Syst Ltd 補間データ生成方法およびｘ線吸収係数急変面位置推定方法およびｘ線ｃｔ装置
US5744802A (en) * 1995-10-25 1998-04-28 Adac Laboratories Image generation from limited projections in positron emission tomography using multi-slice rebinning
US5594767A (en) * 1995-11-02 1997-01-14 General Electric Company Methods and apparatus for enhancing image sharpness
US5546439A (en) * 1995-11-02 1996-08-13 General Electric Company Systems, methods and apparatus for incrementally reconstructing overlapped images in a CT system implementing a helical scan
US5559847A (en) * 1995-12-06 1996-09-24 General Electric Company Systems, methods and apparatus for reconstructing images in a CT system implementing a helical scan
US5606585A (en) * 1995-12-21 1997-02-25 General Electric Company Methods and apparatus for multislice helical image reconstruction in a computer tomography system
US6408088B1 (en) * 1995-12-21 2002-06-18 General Electric Company Methods and apparatus for single slice helical image reconstruction in a computed tomography system
US6091840A (en) * 1995-12-21 2000-07-18 General Electric Company Methods and apparatus for single slice helical image reconstruction in a computed tomography system
JP3732568B2 (ja) * 1996-04-03 2006-01-05 株式会社東芝 Ｘ線コンピュータ断層撮影装置
US5663995A (en) * 1996-06-06 1997-09-02 General Electric Company Systems and methods for reconstructing an image in a CT system performing a cone beam helical scan
EP0892966A1 (fr) * 1997-01-14 1999-01-27 Edholm, Paul Procede et dispositif d'imagerie tomographique
DE19854438B4 (de) 1998-11-25 2011-04-14 Siemens Ag Verfahren zur Bildrekonstruktion für einen Computertomographen
US6335957B1 (en) 1999-01-12 2002-01-01 The University Of Tennessee Research Center Variable resolution imaging system
US6324242B1 (en) * 1999-04-09 2001-11-27 Arch Development Corporation Fast reconstruction with uniform noise properties in half-scan tomography
US6597803B1 (en) * 1999-10-29 2003-07-22 Ge Medical Systems Global Technology Company, Llc Hybrid reconstruction for high pitch multi-slice helical cardiac imaging
US6388257B1 (en) * 2000-03-10 2002-05-14 Philips Medical Systems (Cleveland ), Inc. Stepped asymmetric sampling scheme for transmission radiation corrected gamma cameras
US6542570B1 (en) * 2000-04-14 2003-04-01 Kabushiki Kaisha Toshiba Method and system for reconstructing computed tomography images using redundant data
US6574356B1 (en) * 2000-04-19 2003-06-03 National Science Council Method for three-dimensional image reconstruction of basal ganglion
US6359956B1 (en) * 2000-12-15 2002-03-19 Ge Medical Systems Global Technology Company, Llc Reconstruction in helical computed tomography using asymmetric modeling of detector sensitivity
US6452996B1 (en) 2001-03-16 2002-09-17 Ge Medical Systems Global Technology Company, Llc Methods and apparatus utilizing generalized helical interpolation algorithm
US6778630B2 (en) 2001-03-23 2004-08-17 Kabushiki Kaisha Toshiba Method and system for reconstructing computed tomography images using redundant data
US6990170B2 (en) * 2001-08-09 2006-01-24 Kabushiki Kaisha Toshiba X-ray computed tomographic imaging apparatus
WO2004075106A2 (fr) * 2003-02-19 2004-09-02 Philips Intellectual Property & Standards Gmbh Procede de tomographie par ordinateur a mouvement relatif helicoidal et a faisceau conique
US6999550B2 (en) * 2004-02-09 2006-02-14 Ge Medical Systems Global Technology Method and apparatus for obtaining data for reconstructing images of an object
JP4498023B2 (ja) * 2004-06-15 2010-07-07 キヤノン株式会社 Ｘ線ｃｔ装置
US20060020200A1 (en) * 2004-07-08 2006-01-26 Medow Joshua E Artifact-free CT angiogram
CN1955725B (zh) * 2005-10-27 2010-12-15 Ge医疗系统环球技术有限公司 X射线ct系统
US7613275B2 (en) * 2005-12-19 2009-11-03 General Electric Company Method and apparatus for reducing cone beam artifacts using spatially varying weighting functions
CN101594825B (zh) * 2006-02-27 2014-07-23 罗切斯特大学 锥束ct动态成像的方法和设备
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
JP5179136B2 (ja) * 2007-10-02 2013-04-10 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
CN102376096B (zh) * 2010-08-18 2014-01-29 清华大学 Pi线选取和采样方法和装置以及ct图像重建方法和装置
US10215864B2 (en) 2013-07-08 2019-02-26 Massachusetts Institute Of Technology System and method to improve image quality of emission tomography when using advanced radionuclides
CN106859677B (zh) * 2017-01-16 2019-08-09 东软医疗系统股份有限公司 双能ct扫描图像重建方法及装置
CN107041760B (zh) * 2017-04-27 2021-02-05 东软医疗系统股份有限公司 扫描方法、装置及图像重建方法和装置
CN110327069B (zh) * 2019-07-01 2023-05-05 赛诺威盛科技(北京)股份有限公司 一种缩小ct螺旋扫描范围的方法
CN114018962B (zh) * 2021-11-01 2024-03-08 北京航空航天大学宁波创新研究院 一种基于深度学习的同步多螺旋计算机断层成像方法
WO2024007285A1 (fr) * 2022-07-08 2024-01-11 Shenzhen Xpectvision Technology Co., Ltd. Balayage d'objets avec des détecteurs de rayonnement

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US4284896A (en) * 1979-08-24 1981-08-18 General Electric Company Computerized tomographic reconstruction method and system utilizing reflection
JPS59111738A (ja) * 1982-12-16 1984-06-28 株式会社東芝 Ｘ線断層撮影装置
US4707822A (en) * 1985-05-09 1987-11-17 Kabushiki Kaisha Toshiba Tomographic apparatus
JPH0767445B2 (ja) * 1985-10-14 1995-07-26 株式会社日立メディコ Ｘ線ｃｔ装置
US4789929A (en) * 1987-05-14 1988-12-06 Hitachi Medical Corporation CT system for spirally scanning subject on a movable bed synchronized to X-ray tube revolution
JPH0728862B2 (ja) * 1989-02-13 1995-04-05 株式会社東芝 Ｃｔ装置
EP0450152B1 (fr) * 1990-04-04 1996-10-02 Kabushiki Kaisha Toshiba Procédé et dispositif destinés à l'imagerie tomographique à l'aide d'un balayage hélicoidal

Also Published As

Publication number Publication date
EP0426464A3 (en) 1992-04-29
DE69033921T2 (de) 2002-10-24
CA2021624A1 (fr) 1991-05-03
EP0426464B1 (fr) 2002-03-06
JPH0661326B2 (ja) 1994-08-17
DE69033921D1 (de) 2002-04-11
US5270923A (en) 1993-12-14
JPH03168124A (ja) 1991-07-19
EP0426464A2 (fr) 1991-05-08
IL96050A0 (en) 1991-07-18

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Legal Events

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FF Patent granted
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KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees