IL92115A - Method for reducing motion induced image artifacts in projection imaging - Google Patents

Method for reducing motion induced image artifacts in projection imaging

Info

Publication number
IL92115A
IL92115A IL92115A IL9211589A IL92115A IL 92115 A IL92115 A IL 92115A IL 92115 A IL92115 A IL 92115A IL 9211589 A IL9211589 A IL 9211589A IL 92115 A IL92115 A IL 92115A
Authority
IL
Israel
Prior art keywords
image artifacts
periodic
projection imaging
projection
periodic motion
Prior art date
Application number
IL92115A
Other languages
English (en)
Other versions
IL92115A0 (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 IL92115A0 publication Critical patent/IL92115A0/xx
Publication of IL92115A publication Critical patent/IL92115A/xx

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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/541—Control of apparatus or devices for radiation diagnosis involving acquisition triggered by a physiological signal
    • 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]
    • 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
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/352—Detecting R peaks, e.g. for synchronising diagnostic apparatus; Estimating R-R interval
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/412—Dynamic

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physiology (AREA)
  • General Physics & Mathematics (AREA)
  • Pulmonology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Nuclear Medicine (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
IL92115A 1988-11-23 1989-10-25 Method for reducing motion induced image artifacts in projection imaging IL92115A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/276,249 US4994965A (en) 1988-11-23 1988-11-23 Method for reducing motion induced image artifacts in projection imaging

Publications (2)

Publication Number Publication Date
IL92115A0 IL92115A0 (en) 1990-07-12
IL92115A true IL92115A (en) 1993-05-13

Family

ID=23055839

Family Applications (1)

Application Number Title Priority Date Filing Date
IL92115A IL92115A (en) 1988-11-23 1989-10-25 Method for reducing motion induced image artifacts in projection imaging

Country Status (4)

Country Link
US (1) US4994965A (ja)
EP (1) EP0370341A3 (ja)
JP (1) JPH0732771B2 (ja)
IL (1) IL92115A (ja)

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02243134A (ja) * 1989-03-17 1990-09-27 Toshiba Corp 磁気共鳴イメージング装置
DK124690D0 (da) * 1990-05-18 1990-05-18 Henning Rud Andersen Klapprotes til implantering i kroppen for erstatning af naturlig klap samt kateter til brug ved implantering af en saadan klapprotese
US5251128A (en) * 1990-11-19 1993-10-05 General Electric Company Motion artifact reduction in projection imaging
JPH053867A (ja) * 1991-06-28 1993-01-14 Toshiba Corp 三次元画像診断装置
US5155435A (en) * 1991-08-08 1992-10-13 The Regents Of The University Of California Method and apparatus for performing interventional medical procedures using MR imaging of interventional device superimposed with ghost patient image
US5412562A (en) * 1992-04-02 1995-05-02 Kabushiki Kaisha Toshiba Computerized tomographic imaging method and system for acquiring CT image data by helical dynamic scanning
US5271055A (en) * 1992-08-19 1993-12-14 General Electric Company Methods for reducing motion induced artifacts in a projection imaging system
IL116738A0 (en) * 1995-01-23 1996-05-14 Gen Electric Detector z-axis gain correction for a ct system
US7110587B1 (en) 1995-05-31 2006-09-19 Ge Medical Systems Israel Ltd. Registration of nuclear medicine images
GB9614407D0 (en) 1996-07-09 1996-09-04 Secr Defence Method for imaging artefact reduction
GB2330913B (en) * 1996-07-09 2001-06-06 Secr Defence Method and apparatus for imaging artefact reduction
JPH1028742A (ja) * 1996-07-18 1998-02-03 Hitachi Medical Corp 放射線治療装置
US5764723A (en) * 1996-10-16 1998-06-09 The Trustees Of Columbia University In The City Of New York Apparatus and method to gate a source for radiation therapy
JP3124254B2 (ja) * 1997-07-24 2001-01-15 ジーイー横河メディカルシステム株式会社 放射線断層撮影装置
DE19832276C2 (de) * 1998-07-17 2002-10-24 Siemens Ag Verfahren zur Rekonstruktion von aus mittels eines CT-Gerätes durch Spiralabtastung gewonnenen Meßwerten
DE19842240B4 (de) * 1998-09-15 2006-11-02 Siemens Ag Bildrekonstruktionsverfahren
JP4698780B2 (ja) 1998-09-15 2011-06-08 シーメンス アクチエンゲゼルシヤフト 像再構成方法及び測定データ取得方法
US6233478B1 (en) 1998-09-28 2001-05-15 Advanced Research & Technology Institute Apparatus and method for constructing computed tomography image slices of an object undergoing cyclic motion
US7158610B2 (en) * 2003-09-05 2007-01-02 Varian Medical Systems Technologies, Inc. Systems and methods for processing x-ray images
US6621889B1 (en) 1998-10-23 2003-09-16 Varian Medical Systems, Inc. Method and system for predictive physiological gating of radiation therapy
DE69916871T2 (de) 1998-10-23 2005-03-31 Varian Medical Systems Technologies, Inc., Palo Alto Verfahren und system zur physiologischen steuerung von radiotherapie
US6980679B2 (en) * 1998-10-23 2005-12-27 Varian Medical System Technologies, Inc. Method and system for monitoring breathing activity of a subject
US6279579B1 (en) * 1998-10-23 2001-08-28 Varian Medical Systems, Inc. Method and system for positioning patients for medical treatment procedures
US6973202B2 (en) * 1998-10-23 2005-12-06 Varian Medical Systems Technologies, Inc. Single-camera tracking of an object
US6937696B1 (en) * 1998-10-23 2005-08-30 Varian Medical Systems Technologies, Inc. Method and system for predictive physiological gating
US6243437B1 (en) * 1998-11-25 2001-06-05 General Electric Company Coronary calcification detection using retrospective cardiac gating of imaging system
DE19854939C2 (de) * 1998-11-27 2001-11-22 Siemens Ag Verfahren und Gerät zur Erzeugung von CT-Bildern
US6275560B1 (en) * 1998-12-22 2001-08-14 General Electric Company Cardiac gated computed tomography system
US6393090B1 (en) 1998-12-31 2002-05-21 General Electric Company Computed tomography scout images with depth information
US6370217B1 (en) 1999-05-07 2002-04-09 General Electric Company Volumetric computed tomography system for cardiac imaging
US6639965B1 (en) * 1999-09-30 2003-10-28 General Electric Company Methods and apparatus for cardiac imaging with conventional computed tomography
US6393091B1 (en) 1999-12-13 2002-05-21 General Electric Company Methods and apparatus for non-uniform temporal cardiac imaging
US6421552B1 (en) * 1999-12-27 2002-07-16 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for estimating cardiac motion using projection data
EP1324698A1 (en) 2000-09-29 2003-07-09 GE Medical Systems Global Technology Company LLC Phase-driven multisector reconstruction for multislice helical ct imaging
US7769430B2 (en) * 2001-06-26 2010-08-03 Varian Medical Systems, Inc. Patient visual instruction techniques for synchronizing breathing with a medical procedure
US6438196B1 (en) * 2001-06-28 2002-08-20 General Electric Company EKG driven CT image reconstruction for cardiac imaging
US7020507B2 (en) * 2002-01-31 2006-03-28 Dolphin Medical, Inc. Separating motion from cardiac signals using second order derivative of the photo-plethysmogram and fast fourier transforms
US7620444B2 (en) * 2002-10-05 2009-11-17 General Electric Company Systems and methods for improving usability of images for medical applications
GB2397738B (en) * 2003-01-21 2007-08-29 Elekta Ab Computed tomography scanning
US8571639B2 (en) * 2003-09-05 2013-10-29 Varian Medical Systems, Inc. Systems and methods for gating medical procedures
US20050053267A1 (en) * 2003-09-05 2005-03-10 Varian Medical Systems Technologies, Inc. Systems and methods for tracking moving targets and monitoring object positions
JP4649150B2 (ja) * 2003-10-03 2011-03-09 キヤノン株式会社 放射線撮像装置及び撮像方法
WO2005047920A1 (en) * 2003-11-13 2005-05-26 Koninklijke Philips Electronics, N.V. Readout ordering in collection of radial magnetic resonance imaging data
US7756565B2 (en) * 2003-11-26 2010-07-13 General Electric Company Method and system for composite gating using multiple inputs
US8285359B2 (en) * 2003-11-26 2012-10-09 General Electric Company Method and system for retrospective gating using multiple inputs
US8064983B2 (en) * 2003-11-26 2011-11-22 General Electric Company Method and system for prospective gating using multiple inputs
US20050113673A1 (en) * 2003-11-26 2005-05-26 Avinash Gobal B. Method and system to reduce motion-related image artifacts during breath holding
US7844317B2 (en) * 2003-11-26 2010-11-30 General Electric Company Method and system for estimating three-dimensional respiratory motion
US7367953B2 (en) * 2003-11-26 2008-05-06 Ge Medical Systems Global Technology Company Method and system for determining a period of interest using multiple inputs
US20060074305A1 (en) * 2004-09-30 2006-04-06 Varian Medical Systems Technologies, Inc. Patient multimedia display
US7782998B2 (en) * 2004-12-21 2010-08-24 General Electric Company Method and apparatus for correcting motion in image reconstruction
DE102005016472B4 (de) * 2005-04-08 2011-04-07 Siemens Ag Betriebsverfahren für einen Rechner
US7349522B2 (en) * 2005-06-22 2008-03-25 Board Of Trustees Of The University Of Arkansas Dynamic radiation therapy simulation system
FR2887429B1 (fr) * 2005-06-24 2007-10-26 Gen Electric Procede d'imagerie radiologique d'un organe en mouvement
JP2007029166A (ja) * 2005-07-22 2007-02-08 Morita Mfg Co Ltd 画像処理装置
US9119541B2 (en) * 2005-08-30 2015-09-01 Varian Medical Systems, Inc. Eyewear for patient prompting
US20080008372A1 (en) * 2006-07-07 2008-01-10 General Electric Company A method and system for reducing artifacts in a tomosynthesis imaging system
WO2014002095A2 (en) 2012-06-26 2014-01-03 Sync-Rx, Ltd. Flow-related image processing in luminal organs
US11064964B2 (en) 2007-03-08 2021-07-20 Sync-Rx, Ltd Determining a characteristic of a lumen by measuring velocity of a contrast agent
US9629571B2 (en) 2007-03-08 2017-04-25 Sync-Rx, Ltd. Co-use of endoluminal data and extraluminal imaging
US10716528B2 (en) 2007-03-08 2020-07-21 Sync-Rx, Ltd. Automatic display of previously-acquired endoluminal images
EP2358269B1 (en) * 2007-03-08 2019-04-10 Sync-RX, Ltd. Image processing and tool actuation for medical procedures
US9375164B2 (en) 2007-03-08 2016-06-28 Sync-Rx, Ltd. Co-use of endoluminal data and extraluminal imaging
WO2008107905A2 (en) * 2007-03-08 2008-09-12 Sync-Rx, Ltd. Imaging and tools for use with moving organs
US11197651B2 (en) 2007-03-08 2021-12-14 Sync-Rx, Ltd. Identification and presentation of device-to-vessel relative motion
US9305334B2 (en) 2007-03-08 2016-04-05 Sync-Rx, Ltd. Luminal background cleaning
US9968256B2 (en) 2007-03-08 2018-05-15 Sync-Rx Ltd. Automatic identification of a tool
FR2914176B1 (fr) * 2007-03-27 2009-05-22 Gen Electric Procede de detection et de compensation du mouvement respiratoire dans des images cardiaques fluoroscopiques synchronisees a un signal electrocardiogramme.
US7953247B2 (en) 2007-05-21 2011-05-31 Snap-On Incorporated Method and apparatus for wheel alignment
DE102007059602A1 (de) * 2007-12-11 2009-06-18 Siemens Ag Bewegungskorrektur von tomographischen medizinischen Bilddaten eines Patienten
JP5670738B2 (ja) * 2007-12-19 2015-02-18 コーニンクレッカ フィリップス エヌ ヴェ 心臓ｃｔにおける無意識呼吸運動の補正
EP2303385B1 (en) * 2008-06-19 2013-12-11 Sync-RX, Ltd. Stepwise advancement of a medical tool
US10667727B2 (en) * 2008-09-05 2020-06-02 Varian Medical Systems, Inc. Systems and methods for determining a state of a patient
US20100061596A1 (en) * 2008-09-05 2010-03-11 Varian Medical Systems Technologies, Inc. Video-Based Breathing Monitoring Without Fiducial Tracking
US10362962B2 (en) 2008-11-18 2019-07-30 Synx-Rx, Ltd. Accounting for skipped imaging locations during movement of an endoluminal imaging probe
US11064903B2 (en) 2008-11-18 2021-07-20 Sync-Rx, Ltd Apparatus and methods for mapping a sequence of images to a roadmap image
US9101286B2 (en) 2008-11-18 2015-08-11 Sync-Rx, Ltd. Apparatus and methods for determining a dimension of a portion of a stack of endoluminal data points
US9095313B2 (en) 2008-11-18 2015-08-04 Sync-Rx, Ltd. Accounting for non-uniform longitudinal motion during movement of an endoluminal imaging probe
US9974509B2 (en) 2008-11-18 2018-05-22 Sync-Rx Ltd. Image super enhancement
US8855744B2 (en) 2008-11-18 2014-10-07 Sync-Rx, Ltd. Displaying a device within an endoluminal image stack
US9144394B2 (en) 2008-11-18 2015-09-29 Sync-Rx, Ltd. Apparatus and methods for determining a plurality of local calibration factors for an image
US8355551B2 (en) * 2009-02-27 2013-01-15 General Electric Company Method and apparatus for reducing image artifacts
US8699771B2 (en) * 2009-11-19 2014-04-15 General Electric Company Method and apparatus for reducing motion-related imaging artifacts
CN102793552B (zh) * 2011-05-23 2014-05-21 北京东方惠尔图像技术有限公司 Ct图像采集装置及ct扫描成像系统
US11298028B2 (en) * 2014-02-12 2022-04-12 Koninklijke Philips N.V. Temperature distribution determination apparatus
US9858688B2 (en) 2015-06-30 2018-01-02 General Electric Company Methods and systems for computed tomography motion compensation
US10034648B2 (en) 2016-01-13 2018-07-31 Carestream Health, Inc. System and method for motion artifacts reduction
CN106821407A (zh) * 2016-12-28 2017-06-13 上海联影医疗科技有限公司 用于计算机断层扫描的运动检测方法和装置
EP3363363B1 (de) * 2017-06-29 2021-11-17 Siemens Healthcare GmbH Verfahren zum durchführen einer bildgebenden untersuchung
DE102020216576B3 (de) * 2020-12-28 2021-12-30 Siemens Healthcare Gmbh Röntgendetektoreinheit mit einer anpassbaren Spannungsversorgung und Verfahren zum Betrieb einer Röntgendetektoreinheit

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2645416A1 (de) * 1976-10-08 1978-04-13 Philips Patentverwaltung Verfahren und anordnung zur ermittlung der verteilung der absorption eines koerpers
JPS57156735A (en) * 1981-03-23 1982-09-28 Tokyo Shibaura Electric Co X-ray tomography apparatus
JPS5940843A (ja) * 1982-08-31 1984-03-06 株式会社東芝 診断用核磁気共鳴装置
US4580219A (en) * 1983-05-02 1986-04-01 General Electric Company Method for reducing image artifacts due to projection measurement inconsistencies
JPS61100233A (ja) * 1984-10-23 1986-05-19 株式会社東芝 Ｘ線ｃｔスキヤナ
US4567893A (en) * 1984-11-21 1986-02-04 General Electric Company Method of eliminating breathing artifacts in NMR imaging
DE3514542A1 (de) * 1985-04-22 1986-10-23 Siemens AG, 1000 Berlin und 8000 München Verfahren und vorrichtung zur zusammensetzung eines mr-bildes aus atemgesteuert aufgenommenen bilddaten
US4663591A (en) * 1985-08-16 1987-05-05 General Electric Company Method for reducing image artifacts due to periodic signal variations in NMR imaging
NL8503525A (nl) * 1985-12-20 1987-07-16 Philips Nv Mri-werkwijze en inrichting ter reductie van beweginsartefacten.
JPS63242239A (ja) * 1987-03-31 1988-10-07 株式会社東芝 Ｅｃｇゲ−トｘ線ｃｔ装置
US4751462A (en) * 1987-05-26 1988-06-14 General Electric Company Method for acquiring NMR data which is subject to periodic variations

Also Published As

Publication number Publication date
IL92115A0 (en) 1990-07-12
JPH02211131A (ja) 1990-08-22
EP0370341A3 (en) 1991-09-04
JPH0732771B2 (ja) 1995-04-12
EP0370341A2 (en) 1990-05-30
US4994965A (en) 1991-02-19

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