JP6907209B2 - 定量的磁化率マッピング画像のセグメンテーション - Google Patents
定量的磁化率マッピング画像のセグメンテーション Download PDFInfo
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- JP6907209B2 JP6907209B2 JP2018530842A JP2018530842A JP6907209B2 JP 6907209 B2 JP6907209 B2 JP 6907209B2 JP 2018530842 A JP2018530842 A JP 2018530842A JP 2018530842 A JP2018530842 A JP 2018530842A JP 6907209 B2 JP6907209 B2 JP 6907209B2
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Images
Classifications
-
- 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
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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
-
- 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
Landscapes
- 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)
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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019504664A JP2019504664A (ja) | 2019-02-21 |
| JP2019504664A5 JP2019504664A5 (enExample) | 2020-01-30 |
| JP6907209B2 true JP6907209B2 (ja) | 2021-07-21 |
Family
ID=55066348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018530842A Expired - Fee Related JP6907209B2 (ja) | 2015-12-17 | 2016-12-12 | 定量的磁化率マッピング画像のセグメンテーション |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10761170B2 (enExample) |
| EP (1) | EP3391069B1 (enExample) |
| JP (1) | JP6907209B2 (enExample) |
| CN (1) | CN108431624B (enExample) |
| WO (1) | WO2017102611A1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101784907A (zh) * | 2007-04-30 | 2010-07-21 | 皇家飞利浦电子股份有限公司 | 正对比mr磁化率成像 |
| CN102077108B (zh) * | 2008-04-28 | 2015-02-25 | 康奈尔大学 | 分子mri中的磁敏度精确量化 |
| US20130102879A1 (en) * | 2010-04-14 | 2013-04-25 | Universitaetsklinikum Freiburg | Method For Correcting Susceptibility-Induced Image Artifacts In MRI After Prospective Motion Correction |
| US10380735B2 (en) | 2010-04-16 | 2019-08-13 | 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) |
| US9448289B2 (en) * | 2010-11-23 | 2016-09-20 | Cornell University | Background field removal method for MRI using projection onto dipole fields |
| US9285449B2 (en) * | 2011-06-15 | 2016-03-15 | 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 |
| US9213076B2 (en) * | 2012-02-27 | 2015-12-15 | Medimagemetric LLC | System, process and computer-accessible medium for providing quantitative susceptibility mapping |
| EP2875367B1 (en) * | 2012-07-18 | 2021-05-12 | Koninklijke Philips N.V. | Efficient cardiac mr workflows based on automated planning from mdixon surveys |
| WO2014057716A1 (ja) * | 2012-10-10 | 2014-04-17 | 株式会社日立製作所 | 磁気共鳴イメージング装置 |
| WO2014076808A1 (ja) * | 2012-11-16 | 2014-05-22 | 株式会社日立製作所 | 磁気共鳴イメージング装置および定量的磁化率マッピング法 |
| KR101359134B1 (ko) * | 2012-12-28 | 2014-02-06 | 연세대학교 산학협력단 | 도전율 및 자화율 복원 장치 및 방법과 이에 관한 기록매체 |
| US10534060B2 (en) * | 2013-06-10 | 2020-01-14 | Toshiba Medical Systems Corporation | Parallel MRI with spatially misregistered signal |
| US9664761B2 (en) * | 2013-06-26 | 2017-05-30 | Medimagemetric LLC | Joint estimation of chemical shift and quantitative susceptibility map using MRI signal |
| JP6085545B2 (ja) * | 2013-09-26 | 2017-02-22 | 株式会社日立製作所 | 磁気共鳴イメージング装置、画像処理装置および磁化率画像算出方法 |
| US9612300B2 (en) * | 2013-11-25 | 2017-04-04 | Wisconsin Alumni Research Foundation | System and method for object-based initialization of magnetic field inhomogeneity in magnetic resonance imaging |
| US9542763B2 (en) * | 2014-04-25 | 2017-01-10 | The General Hospital Corporation | Systems and methods for fast reconstruction for quantitative susceptibility mapping using magnetic resonance imaging |
| 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 |
| CN107072592B (zh) * | 2014-11-11 | 2020-06-30 | 株式会社日立制作所 | 磁共振成像装置以及定量性磁化率匹配方法 |
| WO2016209930A1 (en) * | 2015-06-24 | 2016-12-29 | The Medical College Of Wisconsin, Inc. | System and method for localized processing of quantitative susceptibility maps in magnetic resonance imaging |
| JP6618754B2 (ja) * | 2015-10-06 | 2019-12-11 | キヤノンメディカルシステムズ株式会社 | 磁気共鳴イメージング装置、画像処理装置、及び画像処理方法 |
| JP6702691B2 (ja) * | 2015-10-30 | 2020-06-03 | キヤノンメディカルシステムズ株式会社 | 磁気共鳴イメージング及び医用画像処理装置 |
-
2016
- 2016-12-12 CN CN201680074046.5A patent/CN108431624B/zh not_active Expired - Fee Related
- 2016-12-12 WO PCT/EP2016/080546 patent/WO2017102611A1/en not_active Ceased
- 2016-12-12 US US16/062,146 patent/US10761170B2/en not_active Expired - Fee Related
- 2016-12-12 EP EP16806191.9A patent/EP3391069B1/en active Active
- 2016-12-12 JP JP2018530842A patent/JP6907209B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP3391069B1 (en) | 2022-02-09 |
| US10761170B2 (en) | 2020-09-01 |
| CN108431624B (zh) | 2021-05-25 |
| JP2019504664A (ja) | 2019-02-21 |
| EP3391069A1 (en) | 2018-10-24 |
| WO2017102611A1 (en) | 2017-06-22 |
| US20180372826A1 (en) | 2018-12-27 |
| CN108431624A (zh) | 2018-08-21 |
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