CN112292067B - 电导率变化的电学属性断层摄影图 - Google Patents

电导率变化的电学属性断层摄影图 Download PDF

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Publication number
CN112292067B
CN112292067B CN201980039506.4A CN201980039506A CN112292067B CN 112292067 B CN112292067 B CN 112292067B CN 201980039506 A CN201980039506 A CN 201980039506A CN 112292067 B CN112292067 B CN 112292067B
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magnetic resonance
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maps
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CN112292067A (zh
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M·G·赫勒
U·卡切尔
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Koninklijke Philips NV
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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
    • A61B5/05—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
    • A61B5/0033—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
    • A61B5/0059—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)
CN201980039506.4A 2018-06-11 2019-06-04 电导率变化的电学属性断层摄影图 Active CN112292067B (zh)

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 (2)

Publication Number Publication Date
CN112292067A CN112292067A (zh) 2021-01-29
CN112292067B true CN112292067B (zh) 2024-08-06

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CN201980039506.4A Active CN112292067B (zh) 2018-06-11 2019-06-04 电导率变化的电学属性断层摄影图

Country Status (6)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4249934A1 (de) * 2022-03-25 2023-09-27 Siemens Healthcare GmbH Trainierte funktion zur bereitstellung von magnetfelddaten und ihre anwendung

Citations (2)

* Cited by examiner, † Cited by third party
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CN105813545A (zh) * 2013-11-22 2016-07-27 Mc10股份有限公司 用于感测和分析心搏的适形传感器系统
CN106796275A (zh) * 2014-09-26 2017-05-31 皇家飞利浦有限公司 用于单体素波谱分析的成像系统

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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
US8059879B2 (en) * 2005-10-12 2011-11-15 Tokyo Denki University Brain function analysis apparatus and method
US8764672B2 (en) * 2009-02-17 2014-07-01 Preston K. Manwaring System, method and device for monitoring the condition of an internal organ
JP5465089B2 (ja) * 2010-05-31 2014-04-09 キヤノン株式会社 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
US20120157817A1 (en) * 2010-12-21 2012-06-21 Tucker Don M Methods for using electrical impedance tomography
JP6030143B2 (ja) * 2011-10-18 2016-11-24 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Ｍｒ電気特性断層撮影
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
US10185011B2 (en) * 2014-04-16 2019-01-22 Koninklijke Philips N.V. EPT method of electric conductivity reconstruction with enhanced stability and speed
US10330757B2 (en) * 2015-01-21 2019-06-25 Koninklijke Philips N.V. MRI method for calculating derived values from B0 and B1 maps
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105813545A (zh) * 2013-11-22 2016-07-27 Mc10股份有限公司 用于感测和分析心搏的适形传感器系统
CN106796275A (zh) * 2014-09-26 2017-05-31 皇家飞利浦有限公司 用于单体素波谱分析的成像系统

Also Published As

Publication number Publication date
CN112292067A (zh) 2021-01-29
DE112019002932T5 (de) 2021-04-01
US20210259569A1 (en) 2021-08-26
WO2019238466A1 (en) 2019-12-19
JP7418357B2 (ja) 2024-01-19
EP3581090A1 (en) 2019-12-18
JP2021527470A (ja) 2021-10-14

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