JP6804228B2 - 磁気共鳴イメージング装置 - Google Patents

磁気共鳴イメージング装置 Download PDF

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Publication number
JP6804228B2
JP6804228B2 JP2016151458A JP2016151458A JP6804228B2 JP 6804228 B2 JP6804228 B2 JP 6804228B2 JP 2016151458 A JP2016151458 A JP 2016151458A JP 2016151458 A JP2016151458 A JP 2016151458A JP 6804228 B2 JP6804228 B2 JP 6804228B2
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data
circuit
pulse
resonance imaging
data string
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Japanese (ja)
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JP2018019776A5 (enExample
JP2018019776A (ja
Inventor
小林　隆宏
隆宏 小林
和幸 副島
和幸 副島
荘十郎 加藤
荘十郎 加藤
治貴 中村
治貴 中村
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Canon Medical Systems Corp
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Canon Medical Systems Corp
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Priority to JP2016151458A priority Critical patent/JP6804228B2/ja
Priority to US15/665,887 priority patent/US10901057B2/en
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Publication of JP2018019776A5 publication Critical patent/JP2018019776A5/ja
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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
    • 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)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2016151458A 2016-08-01 2016-08-01 磁気共鳴イメージング装置 Active JP6804228B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016151458A JP6804228B2 (ja) 2016-08-01 2016-08-01 磁気共鳴イメージング装置
US15/665,887 US10901057B2 (en) 2016-08-01 2017-08-01 Magnetic resonance imaging apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016151458A JP6804228B2 (ja) 2016-08-01 2016-08-01 磁気共鳴イメージング装置

Publications (3)

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JP2018019776A JP2018019776A (ja) 2018-02-08
JP2018019776A5 JP2018019776A5 (enExample) 2019-09-12
JP6804228B2 true JP6804228B2 (ja) 2020-12-23

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JP2016151458A Active JP6804228B2 (ja) 2016-08-01 2016-08-01 磁気共鳴イメージング装置

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JP (1) JP6804228B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7169795B2 (ja) * 2018-07-11 2022-11-11 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および高周波増幅回路

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3430625A1 (de) * 1984-08-20 1986-02-27 Siemens AG, 1000 Berlin und 8000 München Einrichtung fuer die kernspin-tomographie
FR2570499B1 (fr) * 1984-09-14 1987-09-11 Thomson Cgr Installation d'imagerie par resonance magnetique nucleaire
EP0185549B1 (en) * 1984-12-19 1989-08-02 Kabushiki Kaisha Toshiba Tracking control system for optical record disc information reproducing apparatus
US5150053A (en) * 1989-07-28 1992-09-22 The Board Of Trustees Of The Leland Stanford Junior University Magnetic resonance imaging of short T2 species with improved contrast
JP3452395B2 (ja) 1994-05-24 2003-09-29 株式会社日立メディコ 磁気共鳴画像診断装置
US5821752A (en) * 1996-07-15 1998-10-13 General Electric Company Real-time RF pulse construction for NMR measurement sequences
US6636038B1 (en) * 1997-05-28 2003-10-21 Siemens Aktiengesellschaft Method and apparatus for controlling a pulse sequence in a magnetic resonance tomography system
US6610917B2 (en) * 1998-05-15 2003-08-26 Lester F. Ludwig Activity indication, external source, and processing loop provisions for driven vibrating-element environments
US6188219B1 (en) * 1999-01-22 2001-02-13 The Johns Hopkins University Magnetic resonance imaging method and apparatus and method of calibrating the same
US6259253B1 (en) * 1999-06-10 2001-07-10 Ohio State University Research Foundation MRI transceiver
DE10007679C2 (de) * 2000-02-19 2002-06-20 Bruker Ag Faellanden Frequenzgenerator für NMR-Anwendungen mit direkter digitaler Frequenzsynthese (DDS), Verfahren zum Betrieb eines solchen DDS-Generators sowie Verfahren zum Betrieb eines NMR-Spektrometers mit DDS-Generator
US7239143B2 (en) * 2003-05-20 2007-07-03 Koninklijke Philips Electronics N.V. Digital magnetic resonance gradient pre-emphasis
US6956374B2 (en) * 2003-07-02 2005-10-18 General Electric Company Method and apparatus to reduce RF power in high field MR imaging incorporating multi-phase RF pulse flip angles
US20060262938A1 (en) * 2005-05-18 2006-11-23 Gauger Daniel M Jr Adapted audio response
GB0602229D0 (en) * 2006-02-03 2006-03-15 Univ Sussex Electrical potential sensor for use in the detection of nuclear magnetic resonance signals
JP5171021B2 (ja) * 2006-12-13 2013-03-27 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 Ｒｆパルス用周波数シンセサイザ、ｍｒｉ装置、およびｒｆパルス生成方法
WO2008135872A1 (en) * 2007-05-04 2008-11-13 Koninklijke Philips Electronics N.V. Rf transmitter with digital feedback for mri
US7737690B2 (en) * 2007-05-18 2010-06-15 General Electric Company System and method for amplitude reduction in RF pulse design
US8405396B2 (en) * 2009-09-30 2013-03-26 International Business Machines Corporation Implantable or insertable nuclear magnetic resonant imaging system
DE102012200784A1 (de) * 2012-01-20 2013-07-25 Siemens Aktiengesellschaft Spannungsausgleichsvorrichtung sowie eine medizinische Bildgebungsvorrichtung mit einer Spannungsausgleichsvorrichtung
US9065509B1 (en) * 2014-01-09 2015-06-23 Mediatek Inc. Methods and apparatus for envelope tracking system
WO2015116881A1 (en) * 2014-01-31 2015-08-06 The General Hospital Corporation System and method for simulaneous multislice excitation using combined multiband and periodic slice excitation
DE102014204665B4 (de) * 2014-03-13 2019-01-24 Siemens Healthcare Gmbh Geräuschoptimierung einer Magnetresonanzanlage
US9766314B2 (en) * 2014-04-21 2017-09-19 General Electric Company Systems and methods for design of magnetic resonance imaging slice-select pulses
DE102016109799B4 (de) * 2016-05-27 2017-12-14 Infineon Technologies Ag Kommunikationsvorrichtungen, Verfahren zum Detektieren einer Flanke in einem empfangenen Signal und Verfahren zum Empfangen von Daten

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Publication number Publication date
US10901057B2 (en) 2021-01-26
US20180031658A1 (en) 2018-02-01
JP2018019776A (ja) 2018-02-08

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