BR112015002559A2 - método de formação de imagem; meio de armazenamento não transitório que armazena instruções executáveis por um dispositivo de processamento de dados eletrônico; e aparelho. - Google Patents

método de formação de imagem; meio de armazenamento não transitório que armazena instruções executáveis por um dispositivo de processamento de dados eletrônico; e aparelho.

Info

Publication number
BR112015002559A2
BR112015002559A2 BR112015002559A BR112015002559A BR112015002559A2 BR 112015002559 A2 BR112015002559 A2 BR 112015002559A2 BR 112015002559 A BR112015002559 A BR 112015002559A BR 112015002559 A BR112015002559 A BR 112015002559A BR 112015002559 A2 BR112015002559 A2 BR 112015002559A2
Authority
BR
Brazil
Prior art keywords
appliance
storage medium
data processing
processing device
electronic data
Prior art date
Application number
BR112015002559A
Other languages
English (en)
Inventor
Leslie Foxall David
Original Assignee
Koninklijke Philips Nv
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 Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of BR112015002559A2 publication Critical patent/BR112015002559A2/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4806—Functional imaging of brain activation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56554—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by acquiring plural, differently encoded echo signals after one RF excitation, e.g. correction for readout gradients of alternating polarity in EPI
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/5659—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the RF magnetic field, e.g. spatial inhomogeneities of the RF magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Neurosurgery (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
BR112015002559A 2012-08-08 2013-07-29 método de formação de imagem; meio de armazenamento não transitório que armazena instruções executáveis por um dispositivo de processamento de dados eletrônico; e aparelho. BR112015002559A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261680879P 2012-08-08 2012-08-08
PCT/IB2013/056189 WO2014024085A2 (en) 2012-08-08 2013-07-29 Multiple shot magnetic resonance imaging with ghosting stability correction

Publications (1)

Publication Number Publication Date
BR112015002559A2 true BR112015002559A2 (pt) 2017-07-04

Family

ID=49328576

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015002559A BR112015002559A2 (pt) 2012-08-08 2013-07-29 método de formação de imagem; meio de armazenamento não transitório que armazena instruções executáveis por um dispositivo de processamento de dados eletrônico; e aparelho.

Country Status (7)

Country Link
US (1) US9989606B2 (pt)
EP (1) EP2883071A2 (pt)
JP (1) JP6318154B2 (pt)
CN (1) CN104520728B (pt)
BR (1) BR112015002559A2 (pt)
RU (1) RU2015107841A (pt)
WO (1) WO2014024085A2 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10663549B2 (en) * 2014-11-25 2020-05-26 Siemens Healthcare Gmbh Compressed sensing reconstruction for multi-slice and multi-slab acquisitions
WO2016087242A1 (en) * 2014-12-03 2016-06-09 Koninklijke Philips N.V. Device and method for signal compensation in medical x-ray images
CN105548927B (zh) * 2015-08-06 2018-11-09 清华大学 基于多层同时激发的多次激发的磁共振扩散成像方法
CN106918794B (zh) * 2015-12-25 2021-01-08 上海联影医疗科技股份有限公司 磁共振系统及成像的方法
US10416267B2 (en) 2017-01-09 2019-09-17 Canon Medical Systems Corporation Apparatus and method for calibration of time origin of an RF pulse in MRI data acquisition systems
US10551458B2 (en) * 2017-06-29 2020-02-04 General Electric Company Method and systems for iteratively reconstructing multi-shot, multi-acquisition MRI data
US11002815B2 (en) 2019-03-21 2021-05-11 University Of Cincinnati System and method for reducing artifacts in echo planar magnetic resonance imaging
US11307278B2 (en) * 2020-01-02 2022-04-19 General Electric Company Reconstruction of MR image data

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3450508B2 (ja) * 1995-04-13 2003-09-29 株式会社日立メディコ 磁気共鳴イメージング装置
US6249595B1 (en) 1998-01-22 2001-06-19 General Electric Company Iterative reconstruction for EPI
US6285187B1 (en) 1999-04-28 2001-09-04 General Electric Company Method and apparatus for reducing artifacts in echo planar imaging
US6259250B1 (en) 1999-04-28 2001-07-10 General Electric Company Method and apparatus for reducing artifacts in echo planar imaging
US6700374B1 (en) 2000-03-29 2004-03-02 Koninklijke Philips Electronics, N.V. EPI calibration method to minimize ghosting in reconstructed images
JP4678916B2 (ja) * 2000-06-06 2011-04-27 株式会社日立メディコ 磁気共鳴イメージング装置
US6414487B1 (en) 2000-11-22 2002-07-02 Philips Medical Systems (Cleveland), Inc. Time and memory optimized method of acquiring and reconstructing multi-shot 3D MRI data
US6771067B2 (en) * 2001-04-03 2004-08-03 The United States Of America As Represented By The Department Of Health And Human Services Ghost artifact cancellation using phased array processing
US7075299B1 (en) * 2003-12-12 2006-07-11 General Electric Company Method and apparatus to correct amplitude modulation in multi-echo magnetic resonance imaging
DE102004017852B4 (de) * 2004-04-13 2008-11-27 Siemens Ag Bewegungskorrigiertes Multi-Shot-Verfahren zur diffusionsgewichteten Bildgebung in der Magnetresonanztomographie
CN101449290B (zh) 2006-05-19 2013-03-27 皇家飞利浦电子股份有限公司 误差适应性功能成像
CN101153896A (zh) * 2006-09-29 2008-04-02 西门子（中国）有限公司 回波平面成像序列的图像重建方法
BRPI0720535A2 (pt) 2006-12-19 2014-01-07 Koninkl Philips Electronics Nv Arranjo de formação de imagem de diagnóstico, e, arranjo terapêutico
WO2008144539A1 (en) * 2007-05-17 2008-11-27 Yeda Research & Development Co. Ltd. Method and apparatus for computer-aided diagnosis of cancer and product
US7860291B2 (en) 2007-06-12 2010-12-28 General Electric Co. Method and apparatus for correcting motion in multi-shot diffusion-weighted magnetic resonance imaging
WO2009047690A2 (en) 2007-10-09 2009-04-16 Koninklijke Philips Electronics N.V. Segmented multi-shot mri involving magnetization preparation
CN102498411A (zh) * 2009-09-17 2012-06-13 皇家飞利浦电子股份有限公司 Mri中rf功率和rf场均匀性的同时优化
CN101915901A (zh) * 2010-08-17 2010-12-15 中国科学院深圳先进技术研究院 磁共振成像方法及装置

Also Published As

Publication number Publication date
EP2883071A2 (en) 2015-06-17
US20150177349A1 (en) 2015-06-25
US9989606B2 (en) 2018-06-05
JP6318154B2 (ja) 2018-04-25
WO2014024085A2 (en) 2014-02-13
RU2015107841A (ru) 2016-09-27
WO2014024085A3 (en) 2014-04-03
CN104520728B (zh) 2017-12-26
JP2015528320A (ja) 2015-09-28
CN104520728A (zh) 2015-04-15

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B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2473 DE 29-05-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.