JP6430417B2 - パラレルイメージング加速パラメータの自動最適化 - Google Patents

パラレルイメージング加速パラメータの自動最適化 Download PDF

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JP6430417B2
JP6430417B2 JP2015562491A JP2015562491A JP6430417B2 JP 6430417 B2 JP6430417 B2 JP 6430417B2 JP 2015562491 A JP2015562491 A JP 2015562491A JP 2015562491 A JP2015562491 A JP 2015562491A JP 6430417 B2 JP6430417 B2 JP 6430417B2
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Prior art keywords
reduction
scan
snr
reduction factor
coil
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Japanese (ja)
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JP2016509940A5 (cg-RX-API-DMAC7.html
JP2016509940A (ja
Inventor
ペーター ボルネート
ペーター ボルネート
ミシェル ポール ジュリアーン ジュリッセン
ミシェル ポール ジュリアーン ジュリッセン
マリヤ イワノワ ドネヴァ
マリヤ イワノワ ドネヴァ
アドリアヌス ジョセフ ウィリブロルドゥス ドゥアインダム
アドリアヌス ジョセフ ウィリブロルドゥス ドゥアインダム
ケイ ネルケ
ケイ ネルケ
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Koninklijke Philips NV
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Koninklijke Philips NV
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    • 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
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34092—RF coils specially adapted for NMR spectrometers
    • 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
    • G01R33/5608—Data processing and visualization specially adapted for MR, e.g. for feature analysis and pattern recognition on the basis of measured MR data, segmentation of measured MR data, edge contour detection on the basis of measured MR data, for enhancing measured MR data in terms of signal-to-noise ratio by means of noise filtering or apodization, for enhancing measured MR data in terms of resolution by means for deblurring, windowing, zero filling, or generation of gray-scaled images, colour-coded images or images displaying vectors instead of pixels

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2015562491A 2013-03-13 2014-03-12 パラレルイメージング加速パラメータの自動最適化 Active JP6430417B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361778582P 2013-03-13 2013-03-13
US61/778,582 2013-03-13
PCT/IB2014/059667 WO2014141086A1 (en) 2013-03-13 2014-03-12 Automatic optimization of parallel imaging acceleration parameters

Publications (3)

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JP2016509940A JP2016509940A (ja) 2016-04-04
JP2016509940A5 JP2016509940A5 (cg-RX-API-DMAC7.html) 2017-04-13
JP6430417B2 true JP6430417B2 (ja) 2018-11-28

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JP2015562491A Active JP6430417B2 (ja) 2013-03-13 2014-03-12 パラレルイメージング加速パラメータの自動最適化

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US (1) US10107884B2 (cg-RX-API-DMAC7.html)
EP (1) EP2972450B1 (cg-RX-API-DMAC7.html)
JP (1) JP6430417B2 (cg-RX-API-DMAC7.html)
CN (1) CN105308473B (cg-RX-API-DMAC7.html)
WO (1) WO2014141086A1 (cg-RX-API-DMAC7.html)

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GB2497692B (en) * 2010-08-20 2017-06-07 Koninklijke Philips Nv Virtual coil emulation in parallel transmission mri
WO2014165050A1 (en) * 2013-03-12 2014-10-09 The General Hospital Corporation Method for increasing signal-to-noise ratio in magnetic resonance imaging using per-voxel noise covariance regularization
EP3504558A1 (en) * 2016-08-25 2019-07-03 Koninklijke Philips N.V. Bo-corrected sensitivity encoding magnetic resonance imaging
EP3470868A1 (en) 2017-10-16 2019-04-17 Koninklijke Philips N.V. Quantitative measurement of relaxation times in magnetic resonance imaging
US11023785B2 (en) * 2018-07-23 2021-06-01 International Business Machines Corporation Sparse MRI data collection and classification using machine learning
CN111830449B (zh) * 2019-04-19 2022-10-18 西门子(深圳)磁共振有限公司 呼吸信号提取方法及装置、磁共振成像系统、存储介质
EP3910358A1 (en) * 2020-05-15 2021-11-17 Koninklijke Philips N.V. Automated adjustment of the undersampling factor
US12262985B2 (en) 2020-08-06 2025-04-01 University of Pittsburgh—of the Commonwealth System of Higher Education Optimizing magnetic resonance imaging protocols for increased speed
CN112630709B (zh) * 2020-11-03 2024-08-27 杭州微影医疗科技有限公司 金属植入物磁共振成像方法、系统、终端及存储介质
US20220343564A1 (en) * 2021-04-27 2022-10-27 Siemens Healthcare Gmbh Method for automated regularization of hybrid k-space combination using a noise adjustment scan
JP2024036308A (ja) 2022-09-05 2024-03-15 キヤノンメディカルシステムズ株式会社 画像処理装置、画像処理方法及び磁気共鳴イメージング装置
EP4524596A1 (de) * 2023-09-12 2025-03-19 Siemens Healthineers AG Technik zur optimierung eines unterabtastungsfaktors

Family Cites Families (18)

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US6326786B1 (en) * 1998-04-17 2001-12-04 U.S. Philips Corporation Magnetic resonance imaging method and apparatus
US6841998B1 (en) 2001-04-06 2005-01-11 Mark Griswold Magnetic resonance imaging method and apparatus employing partial parallel acquisition, wherein each coil produces a complete k-space datasheet
US6714010B2 (en) * 2001-04-20 2004-03-30 Brigham And Women's Hospital, Inc. Combining unfold with parallel magnetic resonance imaging
US7061238B2 (en) * 2002-05-13 2006-06-13 Koninklijke Philips Electronics N.V. Inherent limitation of the reduction factor in parallel imaging as a function of field strength
JP4030805B2 (ja) * 2002-06-07 2008-01-09 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 コイル感度マップ作成方法およびｍｒｉ装置
JP4607431B2 (ja) * 2003-05-08 2011-01-05 株式会社東芝 Ｍｒｉ装置
DE10339019B4 (de) * 2003-08-25 2007-02-08 Siemens Ag Verfahren zur Bestimmung eines Beschleunigungsfaktors einer parallelen Bildaufnahme
EP1728089A1 (en) * 2004-03-12 2006-12-06 Koninklijke Philips Electronics N.V. Prescan for optimization of mri scan parameters
US7741846B2 (en) 2004-06-28 2010-06-22 Koninklijke Philips Electronics N.V. Parallel magnetic resonance imaging
US7449888B1 (en) * 2005-07-27 2008-11-11 General Electric Company Method and apparatus for multi-dimensional parallel MR imaging
US7429862B2 (en) 2006-04-18 2008-09-30 Siemens Aktiengesellschaft PPA MRT method and apparatus with scaled contribution of k-space data to the reconstructed image
JP4464373B2 (ja) 2006-07-12 2010-05-19 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 Ｍｒｉ装置
US7382127B2 (en) * 2006-09-15 2008-06-03 General Electric Company System and method of accelerated MR propeller imaging
US7394252B1 (en) 2007-05-03 2008-07-01 The General Hospital Corporation Regularized GRAPPA reconstruction
US8354844B2 (en) 2009-12-23 2013-01-15 Universitaetsklinikum Freiburg Method for data acquisition acceleration in magnetic resonance imaging (MRI) with N-dimensional spatial encoding using two or more receiver coil arrays and non-linear phase distributions
JP5902686B2 (ja) * 2010-09-01 2016-04-13 コミッサリア ア レネルジ アトミック エ オー エネルジ アルターネイティブスＣｏｍｍｉｓｓａｒｉａｔ Ａ Ｌ’Ｅｎｅｒｇｉｅ Ａｔｏｍｉｑｕｅ Ｅｔ Ａｕｘ Ｅｎｅｒｇｉｅｓ Ａｌｔｅｒｎａｔｉｖｅｓ パラレル磁気共鳴撮像法ならびにダイナミックおよびパラレル磁気共鳴撮像法の実施方法
US8638096B2 (en) * 2010-10-19 2014-01-28 The Board Of Trustees Of The Leland Stanford Junior University Method of autocalibrating parallel imaging interpolation from arbitrary K-space sampling with noise correlations weighted to reduce noise of reconstructed images
US9390521B2 (en) * 2010-12-22 2016-07-12 Koninklijke Philips N.V. Rapid parallel reconstruction for arbitrary k-space trajectories

Also Published As

Publication number Publication date
US10107884B2 (en) 2018-10-23
EP2972450A1 (en) 2016-01-20
EP2972450B1 (en) 2021-02-17
US20160018498A1 (en) 2016-01-21
WO2014141086A1 (en) 2014-09-18
CN105308473A (zh) 2016-02-03
CN105308473B (zh) 2018-11-27
JP2016509940A (ja) 2016-04-04

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