CN108431624B - 定量磁化率映射磁共振图像的分割 - Google Patents

定量磁化率映射磁共振图像的分割 Download PDF

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CN108431624B
CN108431624B CN201680074046.5A CN201680074046A CN108431624B CN 108431624 B CN108431624 B CN 108431624B CN 201680074046 A CN201680074046 A CN 201680074046A CN 108431624 B CN108431624 B CN 108431624B
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qsm
image
segmentation
magnetic resonance
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CN108431624A (zh
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J·J·迈内克
U·卡切尔
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Koninklijke Philips NV
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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
    • 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
    • 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
    • G01R33/243—Spatial mapping of the polarizing magnetic field
    • 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
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56536—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to magnetic susceptibility variations

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201680074046.5A 2015-12-17 2016-12-12 定量磁化率映射磁共振图像的分割 Expired - Fee Related CN108431624B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15200768 2015-12-17
EP15200768.8 2015-12-17
PCT/EP2016/080546 WO2017102611A1 (en) 2015-12-17 2016-12-12 Segmentation of quantitative susceptibility mapping magnetic resonance images

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CN108431624B true CN108431624B (zh) 2021-05-25

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US (1) US10761170B2 (https=)
EP (1) EP3391069B1 (https=)
JP (1) JP6907209B2 (https=)
CN (1) CN108431624B (https=)
WO (1) WO2017102611A1 (https=)

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US11448717B2 (en) * 2017-12-29 2022-09-20 Siemens Healthcare Gmbh Method and deep quantitative susceptibility mapping (QSM)
CN108665465B (zh) * 2018-05-14 2019-07-19 东软医疗系统股份有限公司 分割缺血半暗带的方法、装置、存储介质及设备
CN111090068B (zh) * 2018-10-23 2021-03-23 中国科学院深圳先进技术研究院 磁共振正对比成像方法及装置
CN110074786B (zh) * 2019-04-30 2022-12-06 上海东软医疗科技有限公司 核磁共振匀场方法、装置、计算设备及核磁共振成像系统
CN110992435B (zh) * 2019-11-06 2023-10-20 上海东软医疗科技有限公司 图像重建方法及设备、成像数据的处理方法及装置
EP3865892A1 (en) * 2020-02-17 2021-08-18 Koninklijke Philips N.V. Iterative reconstruction of gradient echo magnetic resonance images
CN112037304B (zh) * 2020-09-02 2023-12-08 上海大学 基于swi相位图像的两阶段的边缘增强qsm重建方法

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CN104267361A (zh) * 2014-10-13 2015-01-07 厦门大学 基于结构特征的自适应定量磁化率分布图复合重建的方法
CN104486993A (zh) * 2013-06-10 2015-04-01 株式会社东芝 磁共振成像装置

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EP2559003B1 (en) 2010-04-16 2017-11-29 Koninklijke Philips N.V. Image data segmentation
US8422756B2 (en) 2010-04-27 2013-04-16 Magnetic Resonance Innovations, Inc. Method of generating nuclear magnetic resonance images using susceptibility weighted imaging and susceptibility mapping (SWIM)
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WO2012174177A2 (en) * 2011-06-15 2012-12-20 Chunlei Liu Systems and methods for imaging and quantifying tissue magnetism with magnetic resonance imaging
CN103764025B (zh) * 2011-10-12 2015-12-09 株式会社日立制作所 磁共振成像装置以及磁化率强调图像生成方法
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CN104486993A (zh) * 2013-06-10 2015-04-01 株式会社东芝 磁共振成像装置
CN104267361A (zh) * 2014-10-13 2015-01-07 厦门大学 基于结构特征的自适应定量磁化率分布图复合重建的方法

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Publication number Publication date
CN108431624A (zh) 2018-08-21
JP2019504664A (ja) 2019-02-21
US10761170B2 (en) 2020-09-01
JP6907209B2 (ja) 2021-07-21
US20180372826A1 (en) 2018-12-27
EP3391069A1 (en) 2018-10-24
WO2017102611A1 (en) 2017-06-22
EP3391069B1 (en) 2022-02-09

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