CN110958854A - 用于评估具有指定对比度机制的结构空间频率的选择性采样 - Google Patents

用于评估具有指定对比度机制的结构空间频率的选择性采样 Download PDF

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CN110958854A
CN110958854A CN201880049872.3A CN201880049872A CN110958854A CN 110958854 A CN110958854 A CN 110958854A CN 201880049872 A CN201880049872 A CN 201880049872A CN 110958854 A CN110958854 A CN 110958854A
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tissue
texture
values
voi
signal
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克里斯汀·詹姆斯
蒂莫西·詹姆斯
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Bioprotonics Inc
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Bioprotonics Inc
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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
    • G01R33/4818—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
    • 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
    • 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
    • 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
    • G01R33/482—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 using a Cartesian trajectory
    • G01R33/4822—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 using a Cartesian trajectory in three dimensions
    • 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
    • G01R33/5601—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution involving use of a contrast agent for contrast manipulation, e.g. a paramagnetic, super-paramagnetic, ferromagnetic or hyperpolarised contrast agent
    • 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
    • G01R33/5602—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by filtering or weighting based on different relaxation times within the sample, e.g. T1 weighting using an inversion pulse
    • 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
    • G01R33/5605—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by transferring coherence or polarization from a spin species to another, e.g. creating magnetization transfer contrast [MTC], polarization transfer using nuclear Overhauser enhancement [NOE]
    • 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]
    • G01R33/5617—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] using RF refocusing, e.g. RARE
    • 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
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56341—Diffusion imaging

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  • Physics & Mathematics (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
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CN201880049872.3A 2017-05-24 2018-05-21 用于评估具有指定对比度机制的结构空间频率的选择性采样 Pending CN110958854A (zh)

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US15/604,465 US10061003B2 (en) 2014-09-01 2017-05-24 Selective sampling for assessing structural spatial frequencies with specific contrast mechanisms
US15/604,465 2017-05-24
PCT/US2018/033727 WO2018217658A1 (en) 2017-05-24 2018-05-21 Selective sampling for assessing structural spatial frequencies with specific contrast mechanisms

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EP (1) EP3629915A4 (enExample)
JP (1) JP7273803B2 (enExample)
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AU (1) AU2018273362A1 (enExample)
CA (1) CA3064736A1 (enExample)
WO (1) WO2018217658A1 (enExample)

Cited By (7)

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CN113156350A (zh) * 2021-03-25 2021-07-23 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
CN114708973A (zh) * 2022-06-06 2022-07-05 首都医科大学附属北京友谊医院 一种用于对人体健康进行评估的方法和相关产品
CN116934757A (zh) * 2023-09-18 2023-10-24 电子科技大学 一种用于肺结节假阳性删减的方法、设备及存储介质
CN116959586A (zh) * 2022-04-18 2023-10-27 深圳华大生命科学研究院 空间组学数据的处理方法、电子设备及介质
CN119850613A (zh) * 2025-03-19 2025-04-18 江苏省血吸虫病防治研究所 基于深度学习的血吸虫病可疑病灶区域标定系统
CN119864176A (zh) * 2024-12-26 2025-04-22 济南市人民医院 一种基于大数据的危重患者死亡风险预测方法
CN120217588A (zh) * 2025-03-24 2025-06-27 广东海思智能装备有限公司 一种数控机床主轴振动实时监测与自动抑制方法

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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
US20230036757A1 (en) * 2021-07-28 2023-02-02 Ischemaview, Inc. Concurrent display of hemodynamic parameters and damaged brain tissue
CN114371232B (zh) * 2021-12-22 2024-03-22 天津国科医工科技发展有限公司 基于卡尔曼滤波算法的色谱滤波方法、装置、介质、系统
CN114936519B (zh) * 2022-05-12 2025-09-05 中国人民解放军国防科技大学 一种可控模式光滤波器及优化方法
CN117388672B (zh) * 2023-12-11 2024-04-19 四川睿杰鑫电子股份有限公司 一种电路板用电源通路检测装置及其检测方法

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CN101336380A (zh) * 2005-11-27 2008-12-31 奥斯特欧特罗尼克斯公司 利用空间频率分析对诸如骨骼之类的结构的评估
CN101937064A (zh) * 2008-12-04 2011-01-05 奥萝瑞磁振造影公司 通过组合来自多个图像采集的子集来扩展mri数据的分辨率
JP2010252909A (ja) * 2009-04-22 2010-11-11 National Institute Of Information & Communication Technology 磁気共鳴画像法および磁気共鳴画像装置
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CN105849775A (zh) * 2013-12-20 2016-08-10 皇家飞利浦有限公司 Pet/mr系统中的密度引导的衰减图生成
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113156350A (zh) * 2021-03-25 2021-07-23 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
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
CN116959586A (zh) * 2022-04-18 2023-10-27 深圳华大生命科学研究院 空间组学数据的处理方法、电子设备及介质
CN116959586B (zh) * 2022-04-18 2025-11-28 深圳华大生命科学研究院 空间组学数据的处理方法、电子设备及介质
CN114708973A (zh) * 2022-06-06 2022-07-05 首都医科大学附属北京友谊医院 一种用于对人体健康进行评估的方法和相关产品
CN114708973B (zh) * 2022-06-06 2022-09-13 首都医科大学附属北京友谊医院 一种用于对人体健康进行评估的设备和存储介质
CN116934757A (zh) * 2023-09-18 2023-10-24 电子科技大学 一种用于肺结节假阳性删减的方法、设备及存储介质
CN116934757B (zh) * 2023-09-18 2023-11-21 电子科技大学 一种用于肺结节假阳性删减的方法、设备及存储介质
CN119864176A (zh) * 2024-12-26 2025-04-22 济南市人民医院 一种基于大数据的危重患者死亡风险预测方法
CN119850613A (zh) * 2025-03-19 2025-04-18 江苏省血吸虫病防治研究所 基于深度学习的血吸虫病可疑病灶区域标定系统
CN120217588A (zh) * 2025-03-24 2025-06-27 广东海思智能装备有限公司 一种数控机床主轴振动实时监测与自动抑制方法

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AU2018273362A1 (en) 2020-01-23
JP2020520786A (ja) 2020-07-16
EP3629915A4 (en) 2021-03-03

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