JP6906507B2 - 特定のコントラスト機構を用いて構造的空間周波数を評価するための選択的サンプリング - Google Patents

特定のコントラスト機構を用いて構造的空間周波数を評価するための選択的サンプリング Download PDF

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JP6906507B2
JP6906507B2 JP2018517540A JP2018517540A JP6906507B2 JP 6906507 B2 JP6906507 B2 JP 6906507B2 JP 2018517540 A JP2018517540 A JP 2018517540A JP 2018517540 A JP2018517540 A JP 2018517540A JP 6906507 B2 JP6906507 B2 JP 6906507B2
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value
voi
texture
slope
pulse
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JP2018529474A (ja
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アール． チェイス デイヴィッド
アール． チェイス デイヴィッド
ダブリュー． ジェームス ティモシー
ダブリュー． ジェームス ティモシー
イー． ジェームス クリスティン
イー． ジェームス クリスティン
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Bioprotonics Inc
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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 classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
    • A61B5/0036—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room including treatment, e.g., using an implantable medical device, ablating, ventilating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4842—Monitoring progression or stage of a disease
    • 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
    • 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
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56509—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to motion, displacement or flow, e.g. gradient moment nulling

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  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2018517540A 2015-10-07 2016-10-07 特定のコントラスト機構を用いて構造的空間周波数を評価するための選択的サンプリング Active JP6906507B2 (ja)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201562238121P 2015-10-07 2015-10-07
US62/238,121 2015-10-07
US201662302577P 2016-03-02 2016-03-02
US62/302,577 2016-03-02
US15/167,828 2016-05-27
US15/167,828 US9664759B2 (en) 2014-09-01 2016-05-27 Method for assessing structural spatial frequencies using hybrid sampling with non-zero gradient for enhancement of selective sampling
US201662382695P 2016-09-01 2016-09-01
US62/382,695 2016-09-01
PCT/US2016/056147 WO2017062882A1 (en) 2015-10-07 2016-10-07 Selective sampling for assessing structural spatial frequencies with specific contrast mechanisms

Publications (2)

Publication Number Publication Date
JP2018529474A JP2018529474A (ja) 2018-10-11
JP6906507B2 true JP6906507B2 (ja) 2021-07-21

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EP (1) EP3359034A4 (zh)
JP (1) JP6906507B2 (zh)
CN (1) CN108366753B (zh)
AU (1) AU2016334250B2 (zh)
CA (1) CA3000765C (zh)
WO (1) WO2017062882A1 (zh)

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AU2018273362A1 (en) * 2017-05-24 2020-01-23 Bioprotonics, Inc. Selective sampling for assessing structural spatial frequencies with specific contrast mechanisms
CN111093473A (zh) * 2017-07-06 2020-05-01 生物质子股份有限公司 用于使用nmr波谱学鉴定目标组织区域中组分纹理元素的化学物种来测量组织纹理的方法
CN116112139B (zh) * 2018-09-21 2024-01-30 中兴通讯股份有限公司 波束失败恢复方法及装置
CA3120284A1 (en) * 2018-11-20 2020-05-28 Bioprotonics, Inc. A method to measure tissue texture using nmr spectroscopy with voi length in an analysis direction defined by receiver bandwidth
US20220022804A1 (en) * 2018-12-10 2022-01-27 Oxford University Innovation Limited Brain imaging
WO2020125806A1 (en) 2018-12-17 2020-06-25 Shanghai United Imaging Intelligence Co., Ltd. Systems and methods for image segmentation
CN109754394B (zh) * 2018-12-28 2021-02-23 上海联影智能医疗科技有限公司 三维医学图像处理装置及方法
WO2020136571A1 (en) * 2018-12-26 2020-07-02 Analytics For Life Inc. Methods and systems to configure and use neural networks in characterizing physiological systems
EP3918987A4 (en) 2019-01-31 2022-09-07 FUJIFILM Corporation LEARNED MODEL, LEARNING METHOD AND PROGRAM, AND MEDICAL INFORMATION GATHERING DEVICE, METHOD AND PROGRAM
CN110322408A (zh) * 2019-06-11 2019-10-11 浙江大学 基于云平台的多中心磁共振图像自动质量控制方法
CN110599447B (zh) * 2019-07-29 2023-10-20 广州市番禺区中心医院(广州市番禺区人民医院、广州市番禺区心血管疾病研究所) 一种肝癌病灶数据的处理方法、系统和存储介质
CN110501664B (zh) * 2019-08-23 2021-07-16 苏州朗润医疗系统有限公司 磁共振波谱相位校正方法及应用该方法的磁共振成像系统
TWI754858B (zh) 2019-11-21 2022-02-11 國立中央大學 光學斷層造影系統及造影方法
US11085979B1 (en) * 2020-02-24 2021-08-10 Uih America, Inc. System and method for magnetic resonance imaging with radial sampling of k-space
CN111803068A (zh) * 2020-08-21 2020-10-23 上海中医药大学附属曙光医院 一种基于虚拟磁共振弹性成像的无创评估肝纤维化的方法
CN112184845B (zh) * 2020-09-02 2023-05-05 东软医疗系统股份有限公司 弥散加权图像重建模型的生成方法及装置
CN112304811B (zh) * 2020-10-22 2023-02-03 无锡鸣石峻致医疗科技有限公司 一种对运动不敏感的低场核磁共振表观扩散系数测量方法
CN112958840B (zh) * 2021-02-10 2022-06-14 西南电子技术研究所（中国电子科技集团公司第十研究所） 精密零件加工削力信号自动分段方法
CN113156350B (zh) * 2021-03-25 2022-07-19 华南理工大学 无创光不透明微米级活体组织磁共振断层成像方法及系统
WO2023055471A1 (en) * 2021-09-29 2023-04-06 The Johns Hopkins University Automated identification of hyperintensive apparent diffusion coefficient clusters for mri-guided laser interstitial thermal therapy
CN116509453B (zh) * 2023-06-29 2023-09-01 南京科进实业有限公司 一种基于超声波的胫骨骨密度检测系统及方法

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JP3393895B2 (ja) * 1993-09-13 2003-04-07 株式会社東芝 磁気共鳴映像装置
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Publication number Publication date
WO2017062882A1 (en) 2017-04-13
AU2016334250A1 (en) 2018-05-17
EP3359034A1 (en) 2018-08-15
EP3359034A4 (en) 2019-08-07
CA3000765C (en) 2024-01-23
JP2018529474A (ja) 2018-10-11
CN108366753A (zh) 2018-08-03
CA3000765A1 (en) 2017-04-13
AU2016334250B2 (en) 2020-04-02
CN108366753B (zh) 2019-06-07

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