JP7080316B6 - 磁気共鳴イメージングにおける緩和時間の定量的測定 - Google Patents

磁気共鳴イメージングにおける緩和時間の定量的測定 Download PDF

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JP7080316B6
JP7080316B6 JP2020521365A JP2020521365A JP7080316B6 JP 7080316 B6 JP7080316 B6 JP 7080316B6 JP 2020521365 A JP2020521365 A JP 2020521365A JP 2020521365 A JP2020521365 A JP 2020521365A JP 7080316 B6 JP7080316 B6 JP 7080316B6
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magnetic resonance
resonance imaging
noise
pulse sequence
imaging system
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JP2020536690A (ja
JP7080316B2 (ja
JP2020536690A5 (enExample
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クリスティアン シュテーニング
ジュリアン セネガス
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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
    • G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo 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
    • G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
    • 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)
  • Condensed Matter Physics & Semiconductors (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2020521365A 2017-10-16 2018-09-27 磁気共鳴イメージングにおける緩和時間の定量的測定 Active JP7080316B6 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17196612.0 2017-10-16
EP17196612.0A EP3470868A1 (en) 2017-10-16 2017-10-16 Quantitative measurement of relaxation times in magnetic resonance imaging
PCT/EP2018/076226 WO2019076599A1 (en) 2017-10-16 2018-09-27 QUANTITATIVE MEASUREMENT OF RELAXATION TIME IN MAGNETIC RESONANCE IMAGING

Publications (4)

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JP2020536690A JP2020536690A (ja) 2020-12-17
JP2020536690A5 JP2020536690A5 (enExample) 2021-11-04
JP7080316B2 JP7080316B2 (ja) 2022-06-03
JP7080316B6 true JP7080316B6 (ja) 2022-06-23

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US (1) US11199601B2 (enExample)
EP (2) EP3470868A1 (enExample)
JP (1) JP7080316B6 (enExample)
CN (1) CN111247449B (enExample)
WO (1) WO2019076599A1 (enExample)

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CN112075934B (zh) * 2020-09-09 2021-07-23 清华大学 用于识别颈动脉斑块的磁共振单序列多参数定量成像系统
EP4012437A1 (de) 2020-12-11 2022-06-15 Siemens Healthcare GmbH Magnetresonanztomographie mit dualer aufnahme zur störungsreduktion
CN114167333B (zh) * 2021-12-06 2022-07-22 无锡鸣石峻致医疗科技有限公司 一种纵向弛豫时间测定方法、装置、计算机设备及存储介质
CN114167331B (zh) * 2021-12-07 2022-10-18 无锡鸣石峻致医疗科技有限公司 一种非均匀磁场下测量纵向弛豫时间的方法和设备
CN118914947B (zh) * 2024-07-10 2025-09-16 西南石油大学 一种有效拆解核磁共振弛豫时间谱的方法

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JPS6246244A (ja) * 1985-08-23 1987-02-28 Shimadzu Corp Ｎｍｒによる被検体断層のイメ−ジング法
JPH10243934A (ja) * 1997-03-07 1998-09-14 Shimadzu Corp 磁気共鳴診断装置
EP1665158A2 (en) 2003-09-04 2006-06-07 Koninklijke Philips Electronics N.V. Locally adaptive nonlinear noise reduction
CN101415365A (zh) * 2005-12-21 2009-04-22 皇家飞利浦电子股份有限公司 磁共振成像和光谱学中的运动相关数据的采集
JP5121219B2 (ja) * 2006-12-07 2013-01-16 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 磁気共鳴イメージング装置および磁気共鳴イメージング方法
JP5280127B2 (ja) * 2008-08-01 2013-09-04 株式会社日立メディコ 磁気共鳴イメージング装置
DE102010001145A1 (de) * 2010-01-22 2011-07-28 Siemens Aktiengesellschaft, 80333 Verfahren und Vorrichtung zur Magnetresonanzbildgebung zum Erstellen von T1-Karten
US20120271147A1 (en) 2011-04-22 2012-10-25 New York University Apparatus, method, and computer-accessible medium for b1-insensitive high resolution 2d t1 mapping in magnetic resonance imaging
GB201121406D0 (en) * 2011-12-13 2012-01-25 Isis Innovation Systems and methods
GB201121404D0 (en) * 2011-12-13 2012-01-25 Isis Innovation Diagnosis
EP2636368A1 (en) * 2012-03-05 2013-09-11 Koninklijke Philips Electronics N.V. Modification of a treatment plan using magnetic resonance data acquired during a cooling period
US10299683B2 (en) * 2012-03-21 2019-05-28 Koninklijke Philips N.V. System and method for differentiation of normal myocardium from diffuse disease using T1 mapping in non-ischemic cardiomyopathies and others
DE102012218422B3 (de) * 2012-10-10 2014-02-27 Siemens Aktiengesellschaft Schnelle MR-Bildaufnahme mit erhöhtem Kontrast
WO2014141086A1 (en) 2013-03-13 2014-09-18 Koninklijke Philips N.V. Automatic optimization of parallel imaging acceleration parameters
US10234528B2 (en) 2014-09-18 2019-03-19 Siemens Aktiengesellschaft Method and apparatus to correct noise effects in quantitative techniques in magnetic resonance imaging
JP6758842B2 (ja) * 2016-02-01 2020-09-23 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Daniel R. Messroghli, et al.，Modified Look-Locker Inversion Recovery (MOLLI) for High-Resolution T1 Mapping of the Heart，Magnetic Resonance in Medicine，2004年，52，pp.141-146

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Publication number Publication date
JP2020536690A (ja) 2020-12-17
JP7080316B2 (ja) 2022-06-03
EP3698155A1 (en) 2020-08-26
WO2019076599A1 (en) 2019-04-25
CN111247449B (zh) 2023-04-11
US11199601B2 (en) 2021-12-14
EP3698155B1 (en) 2023-04-12
EP3470868A1 (en) 2019-04-17
CN111247449A (zh) 2020-06-05
US20200256941A1 (en) 2020-08-13

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