JP6609226B2 - 磁気共鳴イメージング装置、及び、定量値算出プログラム - Google Patents

磁気共鳴イメージング装置、及び、定量値算出プログラム Download PDF

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JP6609226B2
JP6609226B2 JP2016148607A JP2016148607A JP6609226B2 JP 6609226 B2 JP6609226 B2 JP 6609226B2 JP 2016148607 A JP2016148607 A JP 2016148607A JP 2016148607 A JP2016148607 A JP 2016148607A JP 6609226 B2 JP6609226 B2 JP 6609226B2
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value
quantitative
quantitative value
magnetic resonance
resonance imaging
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JP2018015307A5 (https=
JP2018015307A (ja
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俊 横沢
陽 谷口
久晃 越智
知樹 雨宮
悦久 五月女
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Hitachi Ltd
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Hitachi Ltd
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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
    • 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
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/374—NMR or MRI
    • 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

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Multimedia (AREA)
  • Gynecology & Obstetrics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2016148607A 2016-07-28 2016-07-28 磁気共鳴イメージング装置、及び、定量値算出プログラム Active JP6609226B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2016148607A JP6609226B2 (ja) 2016-07-28 2016-07-28 磁気共鳴イメージング装置、及び、定量値算出プログラム
US15/614,782 US11187760B2 (en) 2016-07-28 2017-06-06 Magnetic resonance imaging apparatus and quantitative-value computing program
CN201710423785.7A CN107664754B (zh) 2016-07-28 2017-06-07 磁共振成像装置以及存储介质

Applications Claiming Priority (1)

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JP2016148607A JP6609226B2 (ja) 2016-07-28 2016-07-28 磁気共鳴イメージング装置、及び、定量値算出プログラム

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JP2018015307A JP2018015307A (ja) 2018-02-01
JP2018015307A5 JP2018015307A5 (https=) 2018-12-27
JP6609226B2 true JP6609226B2 (ja) 2019-11-20

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CN111803104B (zh) * 2020-07-20 2021-06-11 上海杏脉信息科技有限公司 一种医学影像显示方法、介质及电子设备
US11582478B2 (en) * 2020-09-08 2023-02-14 Alibaba Group Holding Limited Video encoding technique utilizing user guided information in cloud environment

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EP1004034A1 (en) * 1997-08-13 2000-05-31 Btg International Limited Apparatus for and method of determining values of relaxation parameters
JP4170767B2 (ja) * 2001-04-19 2008-10-22 株式会社東芝 画像処理装置
US7689015B2 (en) * 2005-12-29 2010-03-30 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus and image correction estimating method
CN101281241B (zh) * 2007-04-06 2012-06-20 Ge医疗系统环球技术有限公司 Mri设备及其控制方法
DE102007036564B4 (de) * 2007-08-03 2009-07-09 Siemens Ag Verfahren zur gewebespezifischen Optimierung von Bildgebungsparametern
US20090157350A1 (en) 2007-12-12 2009-06-18 Chevron U.S.A. Inc. Obtaining a proton density distribution from nuclear magnetic resonance data
JP5449903B2 (ja) * 2009-07-29 2014-03-19 株式会社日立メディコ 磁気共鳴イメージング装置
US8355556B2 (en) * 2009-11-16 2013-01-15 University Health Network Method of synthetic image generation for magnetic resonance imaging
CN102858240B (zh) * 2010-04-22 2015-07-29 株式会社日立医疗器械 磁共振成像装置
CN103064046B (zh) * 2012-12-25 2015-04-15 深圳先进技术研究院 一种基于稀疏采样的核磁共振成像的图像处理方法
CN104166109B (zh) * 2013-05-17 2018-08-03 上海联影医疗科技有限公司 磁共振成像方法和装置
JP5946800B2 (ja) * 2013-07-22 2016-07-06 株式会社日立製作所 磁気共鳴イメージング装置、画像処理装置、画像処理方法、及び画像処理プログラム
JP6371554B2 (ja) * 2014-03-28 2018-08-08 株式会社日立製作所 磁気共鳴イメージング装置
US10169866B2 (en) * 2014-04-22 2019-01-01 Hitachi, Ltd. Medical image processing and diagnostic image generation device for predetermined types of diagnostic information

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CN107664754A (zh) 2018-02-06
JP2018015307A (ja) 2018-02-01
US11187760B2 (en) 2021-11-30
CN107664754B (zh) 2020-03-03
US20180028273A1 (en) 2018-02-01

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