DE69218839D1 - Tomographische Bilderzeugung mittels Schrägstrahlen - Google Patents

Tomographische Bilderzeugung mittels Schrägstrahlen

Info

Publication number
DE69218839D1
DE69218839D1 DE69218839T DE69218839T DE69218839D1 DE 69218839 D1 DE69218839 D1 DE 69218839D1 DE 69218839 T DE69218839 T DE 69218839T DE 69218839 T DE69218839 T DE 69218839T DE 69218839 D1 DE69218839 D1 DE 69218839D1
Authority
DE
Germany
Prior art keywords
tomographic imaging
oblique rays
oblique
rays
tomographic
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69218839T
Other languages
English (en)
Other versions
DE69218839T2 (de
Inventor
Hui Hu
Carl Ross Crawford
Armin Horst Pfoh
Jiang Hsieh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE69218839D1 publication Critical patent/DE69218839D1/de
Publication of DE69218839T2 publication Critical patent/DE69218839T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61B6/40—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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE69218839T 1991-06-28 1992-06-24 Tomographische Bilderzeugung mittels Schrägstrahlen Expired - Fee Related DE69218839T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/723,361 US5396528A (en) 1991-06-28 1991-06-28 Tomographic image reconstruction using cross-plane rays

Publications (2)

Publication Number Publication Date
DE69218839D1 true DE69218839D1 (de) 1997-05-15
DE69218839T2 DE69218839T2 (de) 1997-11-06

Family

ID=24905900

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69218839T Expired - Fee Related DE69218839T2 (de) 1991-06-28 1992-06-24 Tomographische Bilderzeugung mittels Schrägstrahlen

Country Status (4)

Country Link
US (1) US5396528A (de)
EP (1) EP0520778B1 (de)
JP (1) JPH0793924B2 (de)
DE (1) DE69218839T2 (de)

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Publication number Priority date Publication date Assignee Title
US5469486A (en) * 1992-08-07 1995-11-21 General Electric Company Projection domain reconstruction method for helical scanning computed tomography apparatus with multi-column detector array employing overlapping beams
WO1995012353A1 (en) * 1992-08-07 1995-05-11 General Electric Company Helical scanning ct-apparatus with multi-row detector array
US6219441B1 (en) * 1993-06-22 2001-04-17 General Electric Company Reconstruction of images from three-dimensional cone beam data
US5473655A (en) * 1994-07-21 1995-12-05 General Electric Company Artifact reduction by z-dependent filtration of three-dimensional cone beam data
FR2728471B1 (fr) * 1994-12-27 1997-07-18 Ge Medical Syst Sa Appareil de radiotherapie a faisceau tridimensionnel de rayons x, comportant des moyens d'imagerie de controle et de diagnostic
US5625660A (en) * 1995-06-30 1997-04-29 Picker International, Inc. Image reconstruction from helical partial cone-beam data
US5802134A (en) * 1997-04-09 1998-09-01 Analogic Corporation Nutating slice CT image reconstruction apparatus and method
US6041132A (en) * 1997-07-29 2000-03-21 General Electric Company Computed tomography inspection of composite ply structure
US6343108B1 (en) 1999-06-18 2002-01-29 Philips Medical Systems (Cleveland), Inc. Cone beam scanner using oblique surface reconstructions
US6307911B1 (en) 1999-06-23 2001-10-23 The Board Of Trustees Of The University Of Illinois Fast hierarchical backprojection for 3D Radon transform
US6282257B1 (en) * 1999-06-23 2001-08-28 The Board Of Trustees Of The University Of Illinois Fast hierarchical backprojection method for imaging
US6351548B1 (en) 1999-06-23 2002-02-26 The Board Of Trustees Of The University Of Illinois Fast hierarchical reprojection algorithm for tomography
US6263096B1 (en) 1999-06-23 2001-07-17 The Board Of Trustees Of The University Of Illinois Multilevel domain decomposition method for fast reprojection of images
US6332035B1 (en) 1999-06-23 2001-12-18 The Board Of Trustees Of The University Of Illinois Fast hierarchical reprojection algorithms for 3D radon transforms
DE10035138A1 (de) * 2000-07-19 2002-01-31 Philips Corp Intellectual Pty Computertomographie-Verfahren mit kegelförmiger Durcstrahlung eines Objekts
US6408042B1 (en) 2001-06-15 2002-06-18 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for cone beam artifact suppression in scanning imaging systems
US6449330B1 (en) 2001-06-28 2002-09-10 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for artifact reduction in computed tomographic imaging
US6597756B1 (en) 2002-06-19 2003-07-22 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for multi-slice image reconstruction
US7280631B2 (en) * 2003-11-26 2007-10-09 General Electric Company Stationary computed tomography system and method
JP4032357B2 (ja) * 2004-05-21 2008-01-16 ソニー株式会社 画像情報処理装置および方法、並びにプログラム
JP5405229B2 (ja) * 2008-08-11 2014-02-05 株式会社東芝 Ｘ線コンピュータ断層撮影装置
DE102009036232A1 (de) * 2009-08-05 2011-02-17 Siemens Aktiengesellschaft CT-Bildrekonstruktion für eine verbesserte Zeitauflösung in der Cardio-CT
DE102010019016B4 (de) * 2010-05-03 2017-03-02 Siemens Healthcare Gmbh Verfahren zur Rekonstruktion von Bilddaten eines bewegten Untersuchungsobjektes aus Messdaten nebst zugehöriger Gegenstände
DE102010024684B8 (de) * 2010-06-23 2019-08-22 Siemens Healthcare Gmbh Verfahren zur Rekonstruktion von Bilddaten eines bewegten Untersuchungsobjektes, Steuer- und Recheneinheit, Computertomographiesystem und Computerprogramm
US8615121B2 (en) * 2011-05-31 2013-12-24 General Electric Company Reconstruction of projection data to generate tomographic images having improved frequency characteristics
DE202019003376U1 (de) 2019-03-21 2019-09-13 Ziehm Imaging Gmbh Röntgensystem zur iterativen Bestimmung einer optimalen Koordinatentransformation zwischen überlappenden Volumina, die aus Volumendatensätzen von diskret abgetasteten Objektbereichen rekonstruiert wurden

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1540099A (en) * 1976-01-21 1979-02-07 Emi Ltd Radiography
US4138721A (en) * 1976-11-11 1979-02-06 Board of Trustees of The Lelane Standard Junior University Limited scan angle fan beam computerized tomography
US4293912A (en) * 1977-09-30 1981-10-06 Technicare Corporation Tomographic apparatus
DE2819237C2 (de) * 1978-05-02 1986-09-11 Philips Patentverwaltung Gmbh, 2000 Hamburg Anordnung zur Ermittlung der Absorption von Röntgenstrahlung in einem dreidimensionalen Untersuchungsbereich
US4442489A (en) * 1979-06-16 1984-04-10 U.S. Philips Corporation Device for computed tomography
US4352021A (en) * 1980-01-07 1982-09-28 The Regents Of The University Of California X-Ray transmission scanning system and method and electron beam X-ray scan tube for use therewith
GB2088670B (en) * 1980-11-26 1984-10-10 Philips Nv Radiation absorption distribution measurement in a part section of body
JPS632607A (ja) * 1986-06-23 1988-01-07 Katsu Iwabuchi 丸鋸台金へのチツプ固着機
US4888693A (en) * 1987-04-01 1989-12-19 General Electric Company Method to obtain object boundary information in limited-angle computerized tomography
JPS63251788A (ja) * 1987-04-06 1988-10-19 日本鋼管株式会社 真空スラグ吸引設備の保温材投入装置
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
US4965726A (en) * 1988-10-20 1990-10-23 Picker International, Inc. CT scanner with segmented detector array
FR2644590B1 (fr) * 1989-03-20 1994-08-19 General Electric Cgr Sa Procede d'acquisition de donnees radiologiques et de reconstruction de structures correspondant a ce corps
IL90521A0 (en) * 1989-06-04 1990-01-18 Elscint Ltd Dual slice scanner
US5216601A (en) * 1989-11-22 1993-06-01 General Electric Company Method for fan beam helical scanning using rebinning

Also Published As

Publication number Publication date
JPH05192322A (ja) 1993-08-03
JPH0793924B2 (ja) 1995-10-11
DE69218839T2 (de) 1997-11-06
EP0520778B1 (de) 1997-04-09
EP0520778A1 (de) 1992-12-30
US5396528A (en) 1995-03-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee