CN110730912B - 并行多切片mr成像 - Google Patents

并行多切片mr成像 Download PDF

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Publication number
CN110730912B
CN110730912B CN201880038164.XA CN201880038164A CN110730912B CN 110730912 B CN110730912 B CN 110730912B CN 201880038164 A CN201880038164 A CN 201880038164A CN 110730912 B CN110730912 B CN 110730912B
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signal
phase
slice
image
signals
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CN110730912A (zh
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M·P·J·于里森
A·F·N·格里戈莱托博尔戈诺维
T·H·罗济杰恩
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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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
    • G01R33/4835—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices of multiple slices
    • 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
    • G01R33/56545—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by finite or discrete sampling, e.g. Gibbs ringing, truncation artefacts, phase aliasing artefacts
    • 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
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G01R33/5616—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using gradient refocusing, e.g. EPI
    • 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

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201880038164.XA 2017-06-09 2018-06-08 并行多切片mr成像 Active CN110730912B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17175156.3A EP3413074A1 (en) 2017-06-09 2017-06-09 Parallel multi-slice mr imaging
EP17175156.3 2017-06-09
PCT/EP2018/065194 WO2018224661A1 (en) 2017-06-09 2018-06-08 Parallel multi-slice mr imaging

Publications (2)

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CN110730912A CN110730912A (zh) 2020-01-24
CN110730912B true CN110730912B (zh) 2022-06-14

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US (1) US11112475B2 (enExample)
EP (2) EP3413074A1 (enExample)
JP (2) JP7309622B2 (enExample)
CN (1) CN110730912B (enExample)
WO (1) WO2018224661A1 (enExample)

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EP3528002A1 (de) * 2018-02-20 2019-08-21 Siemens Healthcare GmbH Verfahren zur aufnahme eines magnetresonanzdatensatzes, computerprogrammprodukt, datenträger sowie magnetresonanzanlage
US11255941B2 (en) 2020-04-17 2022-02-22 Canon Medical Systems Corporation Apparatus and method using time shifts in magnetic resonance imaging (MRI) to implement controlled aliasing in parallel imaging (CAIPI)
WO2021239217A1 (en) * 2020-05-26 2021-12-02 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e. V. Method and device for rapidly acquiring and reconstructing a sequence of magnetic resonance images covering a volume
CN114384453B (zh) * 2020-10-22 2025-07-11 西门子医疗股份公司 获取至少两个切片的mr图像数据集的方法
DE102021203269A1 (de) * 2021-03-31 2022-10-06 Siemens Healthcare Gmbh Verfahren zur Reduzierung von Artefakten in mittels Magnetresonanz aufgenommenen Bilddatensätzen
US11980457B2 (en) * 2021-04-30 2024-05-14 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for simultaneous multi-slice multitasking imaging
JP7743854B2 (ja) 2023-07-04 2025-09-25 トヨタ自動車株式会社 電池ケースの製造方法

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US11112475B2 (en) 2021-09-07
JP7583858B2 (ja) 2024-11-14
EP3413074A1 (en) 2018-12-12
JP2020522344A (ja) 2020-07-30
JP7309622B2 (ja) 2023-07-18
WO2018224661A1 (en) 2018-12-13
US20200088822A1 (en) 2020-03-19
CN110730912A (zh) 2020-01-24
JP2023109791A (ja) 2023-08-08
EP3635427A1 (en) 2020-04-15
EP3635427B1 (en) 2021-11-17

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