DE3381384D1 - Verfahren und geraet zur kompensierung von tomographischen bildern fuer abgestumpfte projektionen. - Google Patents

Verfahren und geraet zur kompensierung von tomographischen bildern fuer abgestumpfte projektionen.

Info

Publication number
DE3381384D1
DE3381384D1 DE8383108168T DE3381384T DE3381384D1 DE 3381384 D1 DE3381384 D1 DE 3381384D1 DE 8383108168 T DE8383108168 T DE 8383108168T DE 3381384 T DE3381384 T DE 3381384T DE 3381384 D1 DE3381384 D1 DE 3381384D1
Authority
DE
Germany
Prior art keywords
blunted
compensating
projections
tomographic images
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
DE8383108168T
Other languages
English (en)
Inventor
Gary Harold Glover
Norbert Joseph Pelc
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 DE3381384D1 publication Critical patent/DE3381384D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/432—Truncation

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE8383108168T 1982-09-27 1983-08-18 Verfahren und geraet zur kompensierung von tomographischen bildern fuer abgestumpfte projektionen. Expired - Fee Related DE3381384D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/424,501 US4550371A (en) 1982-09-27 1982-09-27 Method and apparatus for compensating CT images for truncated projections

Publications (1)

Publication Number Publication Date
DE3381384D1 true DE3381384D1 (de) 1990-05-03

Family

ID=23682857

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383108168T Expired - Fee Related DE3381384D1 (de) 1982-09-27 1983-08-18 Verfahren und geraet zur kompensierung von tomographischen bildern fuer abgestumpfte projektionen.

Country Status (5)

Country Link
US (1) US4550371A (de)
EP (1) EP0106964B1 (de)
JP (1) JPS5980234A (de)
DE (1) DE3381384D1 (de)
IL (1) IL69092A0 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
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IL69327A (en) * 1983-07-26 1986-11-30 Elscint Ltd Automatic misregistration correction
US4606004A (en) * 1984-03-21 1986-08-12 General Electric Company Apparatus for reduction of filtration truncation errors
JPS60220050A (ja) * 1984-04-17 1985-11-02 横河メディカルシステム株式会社 計算機トモグラフィ装置
US4674045A (en) * 1984-12-31 1987-06-16 Picker International Inc. Filter for data processing
US4809172A (en) * 1987-03-11 1989-02-28 Kabushiki Kaisha Toshiba Method for obtaining image data with a tomographic apparatus
CA1274922A (en) * 1987-09-11 1990-10-02 Terence Taylor Region of interest tomography employing a differential scanning technique
DE8713524U1 (de) * 1987-10-08 1989-02-02 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
US5043890A (en) * 1989-06-12 1991-08-27 General Electric Compensation of computed tomography data for objects positioned outside the field of view of the reconstructed image
US5225980A (en) * 1991-11-27 1993-07-06 General Electric Company Reduction of image artifacts from support structures in tomographic imaging
US5241576A (en) * 1991-12-23 1993-08-31 General Electric Company Segmented detector containing sub-elements for separate measuring of a fan beam
US5485492A (en) * 1992-03-31 1996-01-16 Lunar Corporation Reduced field-of-view CT system for imaging compact embedded structures
US6701000B1 (en) * 1999-04-30 2004-03-02 General Electric Company Solution to detector lag problem in a solid state detector
US6879656B2 (en) * 2002-07-23 2005-04-12 General Electric Company Method and apparatus for deriving motion information from projection data
US6856666B2 (en) * 2002-10-04 2005-02-15 Ge Medical Systems Global Technology Company, Llc Multi modality imaging methods and apparatus
US6810102B2 (en) 2002-10-04 2004-10-26 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for truncation compensation
US7254259B2 (en) * 2002-10-04 2007-08-07 Ge Medical Systems Global Technology Company Llc Methods and apparatus for truncation compensation
EP1741062B1 (de) * 2004-04-21 2013-02-13 Philips Intellectual Property & Standards GmbH Conus-strahl-ct-vorrichtung mit abgeschnittenen projektionen und einem zuvor erfassten 3d-ct-bild
US7050528B2 (en) * 2004-09-30 2006-05-23 Wisconsin Alumni Research Foundation Correction of CT images for truncated or incomplete projections
JP2006102299A (ja) * 2004-10-07 2006-04-20 Ge Medical Systems Global Technology Co Llc Ｘ線線量補正方法およびｘ線ｃｔ装置
US7359478B2 (en) * 2004-11-18 2008-04-15 Toshiba Medical Systems Corporation Method for restoring truncated helical cone-beam computed tomography data
CN101095165A (zh) * 2004-12-29 2007-12-26 皇家飞利浦电子股份有限公司 用于x射线投影的伪像校正的设备和方法
KR100687846B1 (ko) * 2005-01-21 2007-02-27 경희대학교 산학협력단 국부 고해상도 엑스선 단층 영상 재구성 방법 및 국부고해상도 엑스선 단층 영상 재구성 장치
US7502440B2 (en) * 2005-04-05 2009-03-10 Kabushiki Toshiba Radiodiagnostic apparatus
JP2006312027A (ja) * 2005-04-05 2006-11-16 Toshiba Corp 放射線診断装置
US20070076933A1 (en) * 2005-09-30 2007-04-05 Jared Starman Estimating the 0th and 1st moments in C-arm CT data for extrapolating truncated projections
US7756315B2 (en) * 2005-11-23 2010-07-13 General Electric Company Method and apparatus for field-of-view expansion of volumetric CT imaging
US7515678B2 (en) * 2005-11-23 2009-04-07 General Electric Company Method and system for performing CT image reconstruction with motion artifact correction
EP1825811B1 (de) * 2006-02-27 2015-08-26 Kabushiki Kaisha Toshiba Bildanzeigevorrichtung und Röntgen-Computertomograph
DE102006014629A1 (de) * 2006-03-29 2007-10-04 Siemens Ag Verfahren zur Korrektur von Trunkierungsartefakten
JP2008220653A (ja) * 2007-03-13 2008-09-25 Toshiba Corp Ｘ線ｃｔ装置、被検体外形推定方法、画像再構成方法
DE102007054079A1 (de) * 2007-11-13 2009-05-20 Siemens Ag Verfahren zur Extrapolation abgeschnittener, unvollständiger Projektionen für die Computertomographie
DE102008003173B4 (de) * 2008-01-04 2016-05-19 Siemens Aktiengesellschaft Verfahren und Vorrichtung für die Computertomographie zur Be-
KR100923094B1 (ko) * 2008-01-15 2009-10-22 (주)이우테크놀로지 트렁케이션 아티팩트를 보정하는 방법
US8213694B2 (en) * 2008-02-29 2012-07-03 Barco N.V. Computed tomography reconstruction from truncated scans
EP2467830B1 (de) * 2009-08-20 2014-10-29 Koninklijke Philips N.V. Rekonstruktion eines bildes eines bestimmten bereiches
DE102009047867B4 (de) * 2009-09-30 2016-10-06 Siemens Healthcare Gmbh Verfahren und Vorrichtung zur Korrektur von trunkierten Projektionsdaten
US8238518B2 (en) * 2010-06-23 2012-08-07 The Institute Of Cancer Research Radiotherapy system
DE102012207629B4 (de) * 2012-05-08 2023-01-05 Siemens Healthcare Gmbh CT-Bildrekonstruktion im erweiterten Messfeld
US9224216B2 (en) * 2013-07-31 2015-12-29 Kabushiki Kaisha Toshiba High density forward projector for spatial resolution improvement for medical imaging systems including computed tomography

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1584954A (en) * 1976-08-17 1981-02-18 Emi Ltd Radiography
DE2753260A1 (de) * 1977-11-30 1979-05-31 Philips Patentverwaltung Verfahren zur ermittlung der raeumlichen verteilung der absorption einer strahlung
DE2926456A1 (de) * 1979-06-30 1981-01-15 Philips Patentverwaltung Verfahren zur ermittlung des randes eines koerpers mittels am koerper gestreuter strahlung
JPS5672849A (en) * 1979-11-21 1981-06-17 Hitachi Medical Corp Method of regenerating tomographing image
US4305127A (en) * 1979-11-29 1981-12-08 Technicare Corporation Projection completion method of partial area scan
DE3012648A1 (de) * 1980-04-01 1981-10-08 Philips Patentverwaltung Gmbh, 2000 Hamburg Computer-tomographiegeraet
FR2519772B1 (fr) * 1982-01-08 1986-01-31 Thomson Csf Dispositif de detection de reference pour tomodensitometre multidetecteur et tomodensitometre comportant un tel dispositif
US4472823A (en) * 1982-03-17 1984-09-18 U.S. Philips Corporation Computed tomography apparatus with detector sensitivity correction

Also Published As

Publication number Publication date
EP0106964A3 (en) 1986-02-12
US4550371A (en) 1985-10-29
IL69092A0 (en) 1983-10-31
JPH0446578B2 (de) 1992-07-30
JPS5980234A (ja) 1984-05-09
EP0106964B1 (de) 1990-03-28
EP0106964A2 (de) 1984-05-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8128 New person/name/address of the agent

Representative=s name: VOIGT, R., DIPL.-ING., PAT.-ANW., 6232 BAD SODEN

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee