CN111095011B - 用于利用归档的线圈灵敏度图的并行成像的系统和方法 - Google Patents

用于利用归档的线圈灵敏度图的并行成像的系统和方法 Download PDF

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CN111095011B
CN111095011B CN201880059613.9A CN201880059613A CN111095011B CN 111095011 B CN111095011 B CN 111095011B CN 201880059613 A CN201880059613 A CN 201880059613A CN 111095011 B CN111095011 B CN 111095011B
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magnetic resonance
imaging
coil
coil sensitivity
data
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CN111095011A (zh
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J·S·范登布林克
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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
    • A—HUMAN NECESSITIES
    • 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
    • G01R33/543—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
    • 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
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
    • G01R33/583—Calibration of signal excitation or detection systems, e.g. for optimal RF excitation power or frequency

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201880059613.9A 2017-09-14 2018-09-12 用于利用归档的线圈灵敏度图的并行成像的系统和方法 Expired - Fee Related CN111095011B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17191004.5A EP3457160A1 (en) 2017-09-14 2017-09-14 Parallel magnetic resonance imaging with archived coil sensitivity maps
EP17191004.5 2017-09-14
PCT/EP2018/074569 WO2019053047A1 (en) 2017-09-14 2018-09-12 PARALLEL IMAGING WITH ARCHITECT COIL SENSITIVITY CARDS

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CN111095011A CN111095011A (zh) 2020-05-01
CN111095011B true CN111095011B (zh) 2022-12-23

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US (1) US20200249302A1 (https=)
EP (2) EP3457160A1 (https=)
JP (1) JP7216718B2 (https=)
CN (1) CN111095011B (https=)
WO (1) WO2019053047A1 (https=)

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US10222441B2 (en) 2016-04-03 2019-03-05 Q Bio, Inc. Tensor field mapping
DE102018202137A1 (de) * 2018-02-12 2019-08-14 Siemens Healthcare Gmbh Verfahren zum Betrieb einer Magnetresonanzeinrichtung, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
US11360166B2 (en) 2019-02-15 2022-06-14 Q Bio, Inc Tensor field mapping with magnetostatic constraint
US11354586B2 (en) 2019-02-15 2022-06-07 Q Bio, Inc. Model parameter determination using a predictive model
US11009578B2 (en) * 2019-07-17 2021-05-18 GE Precision Healthcare LLC Systems and methods for predicting B1+ maps from magnetic resonance calibration images
US11614509B2 (en) 2019-09-27 2023-03-28 Q Bio, Inc. Maxwell parallel imaging
US12320880B2 (en) 2019-09-27 2025-06-03 Q Bio, Inc. Maxwell parallel imaging
WO2021062154A1 (en) * 2019-09-27 2021-04-01 Q Bio, Inc. Maxwell parallel imaging
EP3824814A1 (en) * 2019-11-22 2021-05-26 Koninklijke Philips N.V. Assessment of measured tomographic data
EP3839547A1 (en) * 2019-12-16 2021-06-23 Koninklijke Philips N.V. Sense magnetic resonance imaging reconstruction using neural networks
JP7749394B2 (ja) * 2021-09-29 2025-10-06 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、画像生成方法、および画像生成プログラム
US20230122658A1 (en) * 2021-10-18 2023-04-20 Washington University Self-supervised joint image reconstruction and coil sensitivity calibration in parallel mri without ground truth
US11614508B1 (en) 2021-10-25 2023-03-28 Q Bio, Inc. Sparse representation of measurements
EP4650810A1 (en) * 2024-05-13 2025-11-19 Koninklijke Philips N.V. Motion-dependent repetition of coil sensitivity map acquisition

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Publication number Publication date
US20200249302A1 (en) 2020-08-06
EP3682256A1 (en) 2020-07-22
CN111095011A (zh) 2020-05-01
JP7216718B2 (ja) 2023-02-01
JP2020533114A (ja) 2020-11-19
WO2019053047A1 (en) 2019-03-21
EP3457160A1 (en) 2019-03-20

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