KR101663229B1 - 자기 공명 영상 장치 및 그에 따른 자기 공명 영상의 이미징 방법 - Google Patents

자기 공명 영상 장치 및 그에 따른 자기 공명 영상의 이미징 방법 Download PDF

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KR101663229B1
KR101663229B1 KR1020140143408A KR20140143408A KR101663229B1 KR 101663229 B1 KR101663229 B1 KR 101663229B1 KR 1020140143408 A KR1020140143408 A KR 1020140143408A KR 20140143408 A KR20140143408 A KR 20140143408A KR 101663229 B1 KR101663229 B1 KR 101663229B1
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magnetic resonance
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KR1020140143408A
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KR20150047109A (ko
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최상천
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삼성전자주식회사
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Priority to PCT/KR2014/009985 priority Critical patent/WO2015060656A1/en
Priority to CN201480070636.1A priority patent/CN105848578B/zh
Priority to EP20140190034 priority patent/EP2866045A1/en
Priority to US14/522,031 priority patent/US9170315B2/en
Publication of KR20150047109A publication Critical patent/KR20150047109A/ko
Priority to US14/857,262 priority patent/US10444314B2/en
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    • 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
    • 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 
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • 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
    • 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
    • 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
    • G01R33/483—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
    • G01R33/5608—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
    • 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; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
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  • Computer Vision & Pattern Recognition (AREA)
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  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
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  • Animal Behavior & Ethology (AREA)
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  • Theoretical Computer Science (AREA)
  • Pathology (AREA)
  • Artificial Intelligence (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Data Mining & Analysis (AREA)
  • Evolutionary Biology (AREA)
  • Evolutionary Computation (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
KR1020140143408A 2013-10-23 2014-10-22 자기 공명 영상 장치 및 그에 따른 자기 공명 영상의 이미징 방법 KR101663229B1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/KR2014/009985 WO2015060656A1 (en) 2013-10-23 2014-10-23 Magnetic resonance imaging apparatus and method
CN201480070636.1A CN105848578B (zh) 2013-10-23 2014-10-23 磁共振成像设备和方法
EP20140190034 EP2866045A1 (en) 2013-10-23 2014-10-23 Magnetic resonance imaging apparatus and method
US14/522,031 US9170315B2 (en) 2013-10-23 2014-10-23 Magnetic resonance imaging apparatus and method
US14/857,262 US10444314B2 (en) 2013-10-23 2015-09-17 Magnetic resonance imaging apparatus and method for acquiring under-sampled MR signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020130126726 2013-10-23
KR20130126726 2013-10-23

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KR20150047109A KR20150047109A (ko) 2015-05-04
KR101663229B1 true KR101663229B1 (ko) 2016-10-06

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107683419A (zh) 2015-05-28 2018-02-09 三星电子株式会社 磁共振成像装置和方法
KR102015839B1 (ko) * 2017-10-31 2019-08-29 가천대학교 산학협력단 시간축으로 확장한 커널을 이용한 그라파 기반의 자기공명분광영상 재구성 장치 및 방법
KR102174092B1 (ko) * 2019-06-14 2020-11-04 성균관대학교산학협력단 신경 활동의 직접 모니터링 및 공간적 매핑을 위한 방법
CN112305477B (zh) * 2019-07-24 2024-01-30 西门子(深圳)磁共振有限公司 借助局部线圈的宽带信号进行数据传输的装置、系统和方法
CN112485518B (zh) * 2020-11-09 2022-07-15 浙江工业大学 一种双通道多指数衰减正弦信号欠采样方法
CN112595889B (zh) * 2020-11-09 2022-07-15 浙江工业大学 非理想多指数衰减正弦信号的欠Nyquist采样与参数测量方法
CN112964931B (zh) * 2021-01-26 2022-07-15 浙江工业大学 基于双通道欠采样的非理想多阻尼谐波信号参数测量方法
KR102540320B1 (ko) * 2021-07-20 2023-06-07 연세대학교 산학협력단 적응적 샘플링 기반 cbct 영상 획득 방법 및 장치
KR102584250B1 (ko) * 2022-06-22 2023-10-05 주식회사 에어스메디컬 데이터 처리 방법, 컴퓨터 프로그램 및 장치
CN115905817B (zh) * 2022-12-20 2023-11-03 无锡鸣石峻致医疗科技有限公司 一种多通道非均匀场信号降噪方法、装置和存储介质

Citations (4)

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US20080007250A1 (en) 2005-05-03 2008-01-10 Wiggins Graham C Shaped MRI Coil Array
US20090012385A1 (en) 2004-10-13 2009-01-08 Masahiro Takizawa Magnetic Resonance Imaging Device and Method
US20110286648A1 (en) 2009-07-06 2011-11-24 Behzad Sharif Auto-calibrating parallel mri technique with distortion-optimal image reconstruction
KR101283532B1 (ko) 2012-04-17 2013-07-23 고려대학교 산학협력단 자기공명영상장치 및 이를 이용한 자기공명영상 획득 방법

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DE102006024976B3 (de) * 2006-05-29 2007-10-31 Siemens Ag Verfahren und Gerät zur verbesserten sensitivitätskodierten Magnet-Resonanz-Bildgebung unter Verwendung eines Empfängerspulenarrays
US20090129648A1 (en) * 2007-11-15 2009-05-21 Konstantinos Arfanakis Method of reducing imaging time in propeller-MRI by under-sampling and iterative image reconstruction
US7688068B2 (en) * 2008-05-06 2010-03-30 General Electric Company System and method for using parallel imaging with compressed sensing
CN103038660B (zh) * 2010-03-23 2016-03-02 马克思-普朗克科学促进协会 利用正则非线性反演重建过程对mr图像的序列进行重建的方法和设备
JP5926516B2 (ja) * 2010-09-30 2016-05-25 株式会社東芝 磁気共鳴イメージング装置
CN102309328B (zh) * 2011-10-19 2012-11-14 中国科学院深圳先进技术研究院 弥散张量成像方法及系统
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Patent Citations (4)

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US20090012385A1 (en) 2004-10-13 2009-01-08 Masahiro Takizawa Magnetic Resonance Imaging Device and Method
US20080007250A1 (en) 2005-05-03 2008-01-10 Wiggins Graham C Shaped MRI Coil Array
US20110286648A1 (en) 2009-07-06 2011-11-24 Behzad Sharif Auto-calibrating parallel mri technique with distortion-optimal image reconstruction
KR101283532B1 (ko) 2012-04-17 2013-07-23 고려대학교 산학협력단 자기공명영상장치 및 이를 이용한 자기공명영상 획득 방법

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KR20150047109A (ko) 2015-05-04
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