IL96212A0 - Extrapolative reconstruction method for helical scanning - Google Patents

Extrapolative reconstruction method for helical scanning

Info

Publication number
IL96212A0
IL96212A0 IL96212A IL9621290A IL96212A0 IL 96212 A0 IL96212 A0 IL 96212A0 IL 96212 A IL96212 A IL 96212A IL 9621290 A IL9621290 A IL 9621290A IL 96212 A0 IL96212 A0 IL 96212A0
Authority
IL
Israel
Prior art keywords
extrapolative
reconstruction method
helical scanning
helical
scanning
Prior art date
Application number
IL96212A
Other languages
English (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 IL96212A0 publication Critical patent/IL96212A0/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • 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
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]

Landscapes

  • 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)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • General Physics & Mathematics (AREA)
  • Pulmonology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
IL96212A 1989-11-13 1990-11-02 Extrapolative reconstruction method for helical scanning IL96212A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/435,980 US5233518A (en) 1989-11-13 1989-11-13 Extrapolative reconstruction method for helical scanning

Publications (1)

Publication Number Publication Date
IL96212A0 true IL96212A0 (en) 1991-08-16

Family

ID=23730617

Family Applications (1)

Application Number Title Priority Date Filing Date
IL96212A IL96212A0 (en) 1989-11-13 1990-11-02 Extrapolative reconstruction method for helical scanning

Country Status (5)

Country Link
US (1) US5233518A (fr)
EP (1) EP0428348B1 (fr)
JP (1) JPH0661327B2 (fr)
DE (1) DE69030555T2 (fr)
IL (1) IL96212A0 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2970680B2 (ja) * 1990-06-14 1999-11-02 株式会社東芝 Ｘ線ｃｔ装置
US5090037A (en) * 1990-11-19 1992-02-18 General Electric Company Helical scanning computed tomography with tracking x-ray source
US5454019A (en) * 1991-03-15 1995-09-26 Hitachi, Ltd. Computed tomography system
EP0729320A1 (fr) 1992-08-07 1996-09-04 General Electric Company Appareil de tomographie a balayage helicoidal, avec un agencement de dectecteurs disposes en une pluralite de rangees
US5524130A (en) * 1992-08-28 1996-06-04 Kabushiki Kaisha Toshiba Computed tomography apparatus
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
US5744802A (en) * 1995-10-25 1998-04-28 Adac Laboratories Image generation from limited projections in positron emission tomography using multi-slice rebinning
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
US5594767A (en) * 1995-11-02 1997-01-14 General Electric Company Methods and apparatus for enhancing image sharpness
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
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
US6108575A (en) * 1998-02-20 2000-08-22 General Electric Company Helical weighting algorithms for fast reconstruction
US6324242B1 (en) * 1999-04-09 2001-11-27 Arch Development Corporation Fast reconstruction with uniform noise properties in half-scan tomography
US6980681B1 (en) * 2000-04-24 2005-12-27 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for helical reconstruction for multislice CT scan
DE10026566A1 (de) * 2000-05-30 2001-12-13 Siemens Ag Computertomograph
US6381297B1 (en) 2000-08-15 2002-04-30 Ge Medical Systems Global Technology Company, Llc High pitch reconstruction of multislice CT scans
DE10049380A1 (de) * 2000-10-05 2002-04-11 Philips Corp Intellectual Pty Computertomograph mit kegelförmigem Strahlenbündel und helixförmiger Relativbewegung
US6452996B1 (en) 2001-03-16 2002-09-17 Ge Medical Systems Global Technology Company, Llc Methods and apparatus utilizing generalized helical interpolation algorithm
US6965689B2 (en) * 2001-04-05 2005-11-15 Thomas Eliott Lee Image based volumetric measuring device
DE10127269B4 (de) * 2001-06-05 2015-09-24 Siemens Aktiengesellschaft Verfahren für die Computertomographie sowie Computertomographie (CT)-Gerät
US6678346B2 (en) * 2001-10-11 2004-01-13 Ge Medical Systems Global Technology Company Llc Cone-beam CT scanner with image reconstruction using multiple sub-images
CN100518645C (zh) * 2003-09-29 2009-07-29 Ge医疗系统环球技术有限公司 图像重构、投影数据评价方法及计算x线体层照相装置
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
US7570733B2 (en) * 2005-06-10 2009-08-04 General Electric Company Step-and-shoot cardiac CT imaging
US7515675B2 (en) * 2005-12-07 2009-04-07 Ge Security, Inc. Apparatus and method for providing a near-parallel projection from helical scan data
US7492856B2 (en) * 2005-12-07 2009-02-17 Ge Security, Inc. Apparatus and method for providing an orthographic projection from helical scan data
WO2010084389A1 (fr) 2009-01-21 2010-07-29 Koninklijke Philips Electronics N.V. Procédé et appareil d'imagerie à grand champ de vision et détection et compensation d'artéfacts de mouvement
US8559687B2 (en) * 2009-10-30 2013-10-15 Kabushiki Kaisha Toshiba Method for circular scan reconstruction in computed tomography and computed tomographic device
EP2330559B9 (fr) * 2009-10-30 2013-11-06 Kabushiki Kaisha Toshiba Dispositif de tomographique informatisée
JP5725885B2 (ja) * 2011-01-27 2015-05-27 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
AU2012321051A1 (en) * 2011-10-03 2014-04-17 Fei Company A computed tomography imaging process and system
CN105093342B (zh) * 2014-05-14 2017-11-17 同方威视技术股份有限公司 螺旋ct系统及重建方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284896A (en) * 1979-08-24 1981-08-18 General Electric Company Computerized tomographic reconstruction method and system utilizing reflection
US4506327A (en) * 1981-11-23 1985-03-19 General Electric Company Limited-angle imaging using multiple energy scanning
JPS59111738A (ja) * 1982-12-16 1984-06-28 株式会社東芝 Ｘ線断層撮影装置
US4580219A (en) * 1983-05-02 1986-04-01 General Electric Company Method for reducing image artifacts due to projection measurement inconsistencies
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
US4866614A (en) * 1985-12-26 1989-09-12 General Electric Company Ultrasound characterization of 3-dimensional flaws
US4922421A (en) * 1986-12-15 1990-05-01 General Electric Company Flaw characterization by multiple angle inspection
US4888693A (en) * 1987-04-01 1989-12-19 General Electric Company Method to obtain object boundary information in limited-angle computerized tomography
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
FR2624634B1 (fr) * 1987-12-09 1994-04-29 Schlumberger Etienne Procede et dispositif permettant de reconstituer la forme et la position d'objets dans l'espace
NL8800321A (nl) * 1988-02-10 1989-09-01 Philips Nv Computertomografie-inrichting voor spiraalsgewijze aftasting.
US5053958A (en) * 1988-06-06 1991-10-01 General Electric Company Method to reduce image reconstruction time in limited-angle ct systems including using initial reconstruction valves for measured projection data during each iteration
JPH0728862B2 (ja) * 1989-02-13 1995-04-05 株式会社東芝 Ｃｔ装置
US5032990A (en) * 1989-05-30 1991-07-16 General Electric Company Translate rotate scanning method for x-ray imaging
US5270923A (en) * 1989-11-02 1993-12-14 General Electric Company Computed tomographic image reconstruction method for helical scanning using interpolation of partial scans for image construction
DE69028768T2 (de) * 1990-04-04 1997-05-07 Toshiba Kawasaki Kk Verfahren und Vorrichtung zur rechnerunterstützten Erzeugung von Tomographien mittels schraubenförmiger Abtastbewegung

Also Published As

Publication number Publication date
DE69030555D1 (de) 1997-05-28
JPH03188832A (ja) 1991-08-16
EP0428348A3 (en) 1992-07-01
JPH0661327B2 (ja) 1994-08-17
US5233518A (en) 1993-08-03
EP0428348B1 (fr) 1997-04-23
EP0428348A2 (fr) 1991-05-22
DE69030555T2 (de) 1997-11-13

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