JP7418357B2 - 導電率変化の電気特性トモグラフィマッピング - Google Patents

導電率変化の電気特性トモグラフィマッピング Download PDF

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JP7418357B2
JP7418357B2 JP2020568502A JP2020568502A JP7418357B2 JP 7418357 B2 JP7418357 B2 JP 7418357B2 JP 2020568502 A JP2020568502 A JP 2020568502A JP 2020568502 A JP2020568502 A JP 2020568502A JP 7418357 B2 JP7418357 B2 JP 7418357B2
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JP2021527470A5 (enExample
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ミハエル ギュンター ヘレ
ウーリッヒ キャッシャー
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Koninklijke Philips NV
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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
    • A61B5/0033—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room
    • A61B5/004—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room adapted for image acquisition of a particular organ or body part
    • A61B5/0042—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room adapted for image acquisition of a particular organ or body part for the brain
    • 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
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0073—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by tomography, i.e. reconstruction of 3D images from 2D projections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • 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
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/246—Spatial mapping of the RF magnetic field B1
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • 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]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N20/00—Machine learning
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/11—Region-based segmentation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30016—Brain

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Software Systems (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Neurology (AREA)
  • Artificial Intelligence (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Evolutionary Computation (AREA)
  • Data Mining & Analysis (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2020568502A 2018-06-11 2019-06-04 導電率変化の電気特性トモグラフィマッピング Active JP7418357B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18176929.0A EP3581090A1 (en) 2018-06-11 2018-06-11 Electrical properties tomography mapping of conductivity changes
EP18176929.0 2018-06-11
PCT/EP2019/064432 WO2019238466A1 (en) 2018-06-11 2019-06-04 Electrical properties tomography mapping of conductivity changes

Publications (3)

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JP2021527470A JP2021527470A (ja) 2021-10-14
JP2021527470A5 JP2021527470A5 (enExample) 2022-06-10
JP7418357B2 true JP7418357B2 (ja) 2024-01-19

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US (1) US20210259569A1 (enExample)
EP (1) EP3581090A1 (enExample)
JP (1) JP7418357B2 (enExample)
CN (1) CN112292067B (enExample)
DE (1) DE112019002932T5 (enExample)
WO (1) WO2019238466A1 (enExample)

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EP4249934A1 (de) * 2022-03-25 2023-09-27 Siemens Healthcare GmbH Trainierte funktion zur bereitstellung von magnetfelddaten und ihre anwendung

Citations (5)

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WO2007043462A1 (ja) 2005-10-12 2007-04-19 Tokyo Denki University 脳機能解析方法および脳機能解析プログラム
JP2011245202A (ja) 2010-05-31 2011-12-08 Canon Inc 脳機能計測用視覚刺激提示装置、機能的磁気共鳴画像装置、脳磁計、脳機能計測方法
JP2014530081A (ja) 2011-10-18 2014-11-17 コーニンクレッカ フィリップス エヌ ヴェ Ｍｒ電気特性断層撮影
US20170030988A1 (en) 2014-04-16 2017-02-02 Koninklijke Philips N.V. Ept method of electric conductivity reconstruction with enhanced stability and speed
JP2018506337A (ja) 2015-01-21 2018-03-08 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 磁気共鳴システム、磁気共鳴システムの作動方法及びコンピュータ・プログラム

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US6397095B1 (en) * 1999-03-01 2002-05-28 The Trustees Of The University Of Pennsylvania Magnetic resonance—electrical impedance tomography
JP3635332B2 (ja) * 2003-03-20 2005-04-06 独立行政法人情報通信研究機構 頭部装着具
US7769438B2 (en) * 2004-10-15 2010-08-03 Brainlab Ag Method and device for determining the location of electrical activity of nerve cells
US9411033B2 (en) * 2005-05-11 2016-08-09 Regents Of The University Of Minnesota Methods and apparatus for imaging with magnetic induction
US8764672B2 (en) * 2009-02-17 2014-07-01 Preston K. Manwaring System, method and device for monitoring the condition of an internal organ
US20120157817A1 (en) * 2010-12-21 2012-06-21 Tucker Don M Methods for using electrical impedance tomography
US9625553B2 (en) * 2012-12-04 2017-04-18 Samsung Electronics Co., Ltd. Method and apparatus for acquiring B1 magnetic field information
RU2015146514A (ru) * 2013-03-29 2017-05-04 Конинклейке Филипс Н.В. Визуализация с использованием переноса протонов амида (арт) и томографии на основе электрических свойств (ерт) в одном сборе данных магнитного резонанса
EP3071096A4 (en) * 2013-11-22 2017-08-09 Mc10, Inc. Conformal sensor systems for sensing and analysis of cardiac activity
RU2689893C2 (ru) * 2014-09-26 2019-05-29 Конинклейке Филипс Н.В. Система визуализации для одновоксельной спектроскопии
CN107205706B (zh) * 2015-01-29 2021-03-05 皇家飞利浦有限公司 用于自动测量患者生物计量学和生理参数的相机系统
US11089970B2 (en) * 2015-06-12 2021-08-17 Koninklijke Philips N.V. Imaging fluid flow into a region of interest
EP3196666A1 (en) * 2016-01-20 2017-07-26 Universität Bern Magnetic resonance imaging method for detecting neuronal activity in a subject's brain

Patent Citations (5)

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WO2007043462A1 (ja) 2005-10-12 2007-04-19 Tokyo Denki University 脳機能解析方法および脳機能解析プログラム
JP2011245202A (ja) 2010-05-31 2011-12-08 Canon Inc 脳機能計測用視覚刺激提示装置、機能的磁気共鳴画像装置、脳磁計、脳機能計測方法
JP2014530081A (ja) 2011-10-18 2014-11-17 コーニンクレッカ フィリップス エヌ ヴェ Ｍｒ電気特性断層撮影
US20170030988A1 (en) 2014-04-16 2017-02-02 Koninklijke Philips N.V. Ept method of electric conductivity reconstruction with enhanced stability and speed
JP2018506337A (ja) 2015-01-21 2018-03-08 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 磁気共鳴システム、磁気共鳴システムの作動方法及びコンピュータ・プログラム

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J.D. Allison ほか４名，Functional MRI cerebral activation and deactivation during finger movement，NEUROLOGY，vol.54 no.1，2000年，pp.135-142，DOI: https://doi.org/10.1212/WNL.54.1.135

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Publication number Publication date
CN112292067A (zh) 2021-01-29
DE112019002932T5 (de) 2021-04-01
US20210259569A1 (en) 2021-08-26
WO2019238466A1 (en) 2019-12-19
EP3581090A1 (en) 2019-12-18
CN112292067B (zh) 2024-08-06
JP2021527470A (ja) 2021-10-14

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