CN109477878B - 运动校正的压缩感知磁共振成像 - Google Patents

运动校正的压缩感知磁共振成像 Download PDF

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CN109477878B
CN109477878B CN201780045151.0A CN201780045151A CN109477878B CN 109477878 B CN109477878 B CN 109477878B CN 201780045151 A CN201780045151 A CN 201780045151A CN 109477878 B CN109477878 B CN 109477878B
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magnetic resonance
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measured
resonance imaging
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CN109477878A (zh
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T·尼尔森
P·博尔纳特
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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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56509—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to motion, displacement or flow, e.g. gradient moment nulling
    • 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
    • G01R33/5608—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

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  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201780045151.0A 2016-07-21 2017-07-14 运动校正的压缩感知磁共振成像 Active CN109477878B (zh)

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EP16180581 2016-07-21
EP16180581.7 2016-07-21
PCT/EP2017/067866 WO2018015298A1 (en) 2016-07-21 2017-07-14 Motion-corrected compressed sensing magnetic resonance imaging

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US (1) US10698064B2 (enExample)
EP (1) EP3500869B1 (enExample)
JP (1) JP6932181B2 (enExample)
CN (1) CN109477878B (enExample)
RU (1) RU2019104619A (enExample)
WO (1) WO2018015298A1 (enExample)

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EP3543725A1 (en) * 2018-03-22 2019-09-25 Koninklijke Philips N.V. Self-navigation in three-dimensional magnetic resonance imaging
CN109040757B (zh) * 2018-07-20 2020-11-10 西安交通大学 一种压缩感知多层残差图像编码方法
JP7221681B2 (ja) * 2018-12-28 2023-02-14 キヤノンメディカルシステムズ株式会社 画像再構成方法、再構成装置、及び磁気共鳴イメージング装置
US10950014B2 (en) 2019-03-01 2021-03-16 Canon Medical Systems Corporation Method and apparatus for adaptive compressed sensing (CS) to correct motion artifacts in magnetic resonance imaging (MRI)
EP3719525A1 (en) * 2019-04-01 2020-10-07 Koninklijke Philips N.V. Correction of magnetic resonance images using simulated magnetic resonance images
US10806370B1 (en) * 2019-04-25 2020-10-20 General Electric Company MRI system and method for detection and correction of patient motion
US11280868B2 (en) * 2019-06-19 2022-03-22 GE Precision Healthcare LLC Image enhancement with variable number of excitation (NEX) acquisitions accelerated using compressed sensing
EP3824814A1 (en) * 2019-11-22 2021-05-26 Koninklijke Philips N.V. Assessment of measured tomographic data
EP3865892A1 (en) * 2020-02-17 2021-08-18 Koninklijke Philips N.V. Iterative reconstruction of gradient echo magnetic resonance images

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EP2728371A1 (en) * 2012-11-02 2014-05-07 Universitätsklinikum Freiburg Segmented 3D Cartesian MR data acquisition using a randomized sampling pattern for compressed sensing image reconstruction
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CN105005012A (zh) * 2015-06-05 2015-10-28 北京大学 基于压缩感知的腹部器官动态对比增强磁共振成像方法

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US8768034B2 (en) * 2012-03-20 2014-07-01 Siemens Medical Solutions Usa, Inc. Motion compensated MR imaging system
EP2728371A1 (en) * 2012-11-02 2014-05-07 Universitätsklinikum Freiburg Segmented 3D Cartesian MR data acquisition using a randomized sampling pattern for compressed sensing image reconstruction
CN103424420A (zh) * 2013-01-31 2013-12-04 上海理工大学 一种基于拟合的核磁共振信号处理方法
CN105005012A (zh) * 2015-06-05 2015-10-28 北京大学 基于压缩感知的腹部器官动态对比增强磁共振成像方法

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WO2018015298A1 (en) 2018-01-25
JP6932181B2 (ja) 2021-09-08
US10698064B2 (en) 2020-06-30
EP3500869A1 (en) 2019-06-26
BR112019001002A2 (pt) 2019-05-14
RU2019104619A (ru) 2020-08-21
EP3500869B1 (en) 2021-02-24
CN109477878A (zh) 2019-03-15
JP2019530486A (ja) 2019-10-24
US20190242965A1 (en) 2019-08-08

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