JP7317589B2 - 磁気共鳴映像法のパルスシーケンスのデータベースを構築するコンピュータ実施方法およびかかるデータベースを使用して磁気共鳴映像法を行う方法 - Google Patents

磁気共鳴映像法のパルスシーケンスのデータベースを構築するコンピュータ実施方法およびかかるデータベースを使用して磁気共鳴映像法を行う方法 Download PDF

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JP7317589B2
JP7317589B2 JP2019115267A JP2019115267A JP7317589B2 JP 7317589 B2 JP7317589 B2 JP 7317589B2 JP 2019115267 A JP2019115267 A JP 2019115267A JP 2019115267 A JP2019115267 A JP 2019115267A JP 7317589 B2 JP7317589 B2 JP 7317589B2
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JP2020006162A (ja
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ラファエル・トミ－トリコット
ベルトラン・ティリオン
バンサン・グラ
アレクシ・アマドン
ニコラ・ブラン
アレクサンドル・ビグノー
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コミサリヤ・ア・レネルジ・アトミク・エ・オ・エネルジ・アルテルナテイブ
アンスティチュ・ナシオナル・ドゥ・ルシェルシュ・アン・アンフォルマティク・エ・アン・オートマティク
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0033—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room
    • 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
    • G01R33/5613—Generating steady state signals, e.g. low flip angle sequences [FLASH]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
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    • G06F18/00—Pattern recognition
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    • G—PHYSICS
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    • G06F18/00—Pattern recognition
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    • G06F18/24—Classification techniques
    • G06F18/241—Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches
    • G06F18/2415—Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches based on parametric or probabilistic models, e.g. based on likelihood ratio or false acceptance rate versus a false rejection rate
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N7/00—Computing arrangements based on specific mathematical models
    • G06N7/01—Probabilistic graphical models, e.g. probabilistic networks
    • 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
    • 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
    • G01R33/5612—Parallel RF transmission, i.e. RF pulse transmission using a plurality of independent transmission channels
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10088—Magnetic resonance imaging [MRI]

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  • Radiology & Medical Imaging (AREA)
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JP2019115267A 2018-07-09 2019-06-21 磁気共鳴映像法のパルスシーケンスのデータベースを構築するコンピュータ実施方法およびかかるデータベースを使用して磁気共鳴映像法を行う方法 Active JP7317589B2 (ja)

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EP18305909.6A EP3594710B1 (en) 2018-07-09 2018-07-09 A computer-implemented method of building a database of pulse sequences for magnetic resonance imaging, and a method of performing magnetic resonance imaging using such a database
EP18305909.6 2018-07-09

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US11416653B2 (en) * 2019-05-15 2022-08-16 The Mitre Corporation Numerical model of the human head
US11009578B2 (en) * 2019-07-17 2021-05-18 GE Precision Healthcare LLC Systems and methods for predicting B1+ maps from magnetic resonance calibration images
EP3832336B1 (en) * 2019-12-06 2021-11-17 Commissariat à l'Energie Atomique et aux Energies Alternatives A method of designing a pulse sequence for parallel-transmission mri, and a method of performing parallel-transmission mri using such a pulse sequence
EP3901648A1 (en) 2020-04-24 2021-10-27 Siemens Healthcare GmbH Method and device for controlling a magnetic resonance imaging system
FR3120949B1 (fr) 2021-03-17 2023-03-17 Commissariat Energie Atomique Procédé de génération de séquences d’excitation de spin de type multi-rayon et son application à l’imagerie par résonance magnétique
GB2606208B (en) 2021-04-29 2023-05-10 Siemens Healthcare Gmbh Computer-implemented magnetic resonance image optimisation method
CN116299106A (zh) * 2023-03-09 2023-06-23 西门子医疗有限公司 计算磁共振测量的优化的初始b1匀场的方法和mri系统
CN120470342B (zh) * 2025-07-14 2025-09-09 华能澜沧江水电股份有限公司 水电机组动应力敏感区识别与效率补偿的智能决策系统

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US20040032261A1 (en) 2002-07-25 2004-02-19 Achim Schweikard Correcting geometry and intensity distortions in MR data
WO2017060142A1 (en) 2015-10-06 2017-04-13 Commissariat A L'energie Atomique Et Aux Energies Alternatives A method of designing pulse sequences for parallel-transmission magnetic resonance imaging, and a method of performing magnetic resonance imaging using such sequences

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DE102007023251B4 (de) 2007-05-18 2017-11-23 Siemens Healthcare Gmbh Verfahren zur Steuerung eines Magnetresonanzsystems
DE102008044828B3 (de) * 2008-08-28 2010-04-15 Siemens Aktiengesellschaft Verwendung eines Magnetresonanz-Sequenzmodells zur formalen Beschreibung einer Messsequenz
DE102013205785B4 (de) * 2013-04-02 2014-10-09 Siemens Aktiengesellschaft Ermittlung einer Magnetresonanzsystem-Ansteuersequenz auf Basis einer reduzierten Anzahl an Feldverteilungskarten

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
US20040032261A1 (en) 2002-07-25 2004-02-19 Achim Schweikard Correcting geometry and intensity distortions in MR data
WO2017060142A1 (en) 2015-10-06 2017-04-13 Commissariat A L'energie Atomique Et Aux Energies Alternatives A method of designing pulse sequences for parallel-transmission magnetic resonance imaging, and a method of performing magnetic resonance imaging using such sequences

Non-Patent Citations (1)

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EP3594710A1 (en) 2020-01-15
US20200011953A1 (en) 2020-01-09
US10976395B2 (en) 2021-04-13
KR20200006003A (ko) 2020-01-17
KR102842852B1 (ko) 2025-08-05
EP3594710B1 (en) 2024-04-17
JP2020006162A (ja) 2020-01-16

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