RU2017115944A3 - - Google Patents
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- Publication number
- RU2017115944A3 RU2017115944A3 RU2017115944A RU2017115944A RU2017115944A3 RU 2017115944 A3 RU2017115944 A3 RU 2017115944A3 RU 2017115944 A RU2017115944 A RU 2017115944A RU 2017115944 A RU2017115944 A RU 2017115944A RU 2017115944 A3 RU2017115944 A3 RU 2017115944A3
- Authority
- RU
- Russia
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Classifications
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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
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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
- G01R33/4824—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 non-Cartesian trajectory
-
- 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
- G01R33/44—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
-
- 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
- G01R33/56518—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to eddy currents, e.g. caused by switching of the gradient 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
- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
- G01R33/56545—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by finite or discrete sampling, e.g. Gibbs ringing, truncation artefacts, phase aliasing artefacts
-
- 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
- G01R33/56572—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of a gradient magnetic field, e.g. non-linearity of a gradient magnetic field
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Nonlinear Science (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 |
|---|---|---|---|
| EP14188402 | 2014-10-10 | ||
| EP14188402.3 | 2014-10-10 | ||
| PCT/EP2015/073027 WO2016055462A1 (en) | 2014-10-10 | 2015-10-06 | Propeller mr imaging with artefact suppression |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| RU2017115944A RU2017115944A (ru) | 2018-11-12 |
| RU2017115944A3 true RU2017115944A3 (ru) | 2018-12-20 |
| RU2707661C2 RU2707661C2 (ru) | 2019-11-28 |
Family
ID=51687914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2017115944A RU2707661C2 (ru) | 2014-10-10 | 2015-10-06 | Мр (магнитно-резонансная) томография методом propeller c подавлением артефактов |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20170307716A1 (ru) |
| EP (1) | EP3204784A1 (ru) |
| JP (1) | JP2017529960A (ru) |
| CN (1) | CN106796274B (ru) |
| RU (1) | RU2707661C2 (ru) |
| WO (1) | WO2016055462A1 (ru) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016026872A1 (en) * | 2014-08-22 | 2016-02-25 | Koninklijke Philips N.V. | Parallel mr imaging with nyquist ghost correction for epi |
| US10598753B2 (en) * | 2016-06-22 | 2020-03-24 | Comsats Institute Of Information Technology | GPU based implementation of sense (a parallel MRI algorithm) using left inverse method |
| US10551458B2 (en) * | 2017-06-29 | 2020-02-04 | General Electric Company | Method and systems for iteratively reconstructing multi-shot, multi-acquisition MRI data |
| CN109300136B (zh) * | 2018-08-28 | 2021-08-31 | 众安信息技术服务有限公司 | 一种基于卷积神经网络的危及器官自动分割方法 |
| US20220155395A1 (en) * | 2019-02-06 | 2022-05-19 | Koninklijke Philips N.V. | Image signal representing a scene |
| JP2023023260A (ja) * | 2021-08-04 | 2023-02-16 | 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および撮像時間短縮方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3929047B2 (ja) * | 2003-04-24 | 2007-06-13 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| JP4419645B2 (ja) * | 2004-03-30 | 2010-02-24 | セイコーエプソン株式会社 | 印刷装置 |
| RU2270995C1 (ru) * | 2004-07-05 | 2006-02-27 | Кубанский государственный технологический университет | Способ определения содержания влаги в мучном кондитерском изделии |
| RU2308709C1 (ru) * | 2006-02-26 | 2007-10-20 | Государственное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ГОУВПО "КубГТУ") | Способ определения содержания жира в маргарине |
| US9700220B2 (en) * | 2006-04-25 | 2017-07-11 | Toshiba Medical Systems Corporation | Magnetic resonance imaging apparatus and magnetic resonance imaging method |
| US7382127B2 (en) * | 2006-09-15 | 2008-06-03 | General Electric Company | System and method of accelerated MR propeller imaging |
| US7535222B2 (en) * | 2007-01-02 | 2009-05-19 | The Board Of Trustees Of The Leland Stanford Junior University | MRI data acquisition using propeller k-space data acquisition |
| US8155417B2 (en) * | 2007-03-27 | 2012-04-10 | Hologic, Inc. | Post-acquisition adaptive reconstruction of MRI data |
| EP2145199B1 (en) * | 2007-04-27 | 2018-12-12 | Koninklijke Philips N.V. | Magnetic resonance device and method for propeller mri |
| CN102232830B (zh) * | 2010-04-30 | 2014-09-03 | 西门子(深圳)磁共振有限公司 | 一种磁共振成像水脂分离方法 |
| CN102232831B (zh) * | 2010-04-30 | 2016-03-30 | 西门子(深圳)磁共振有限公司 | 一种实现水脂分离的磁共振成像方法 |
| US8306299B2 (en) * | 2011-03-25 | 2012-11-06 | Wisconsin Alumni Research Foundation | Method for reconstructing motion-compensated magnetic resonance images from non-Cartesian k-space data |
| RU2638104C2 (ru) * | 2012-09-04 | 2017-12-11 | Конинклейке Филипс Н.В. | Способ propeller с разделением вода - жир по методике диксона |
| JP6574439B2 (ja) * | 2014-03-24 | 2019-09-11 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | プロペラ磁気共鳴撮像 |
-
2015
- 2015-10-06 CN CN201580054888.XA patent/CN106796274B/zh not_active Expired - Fee Related
- 2015-10-06 EP EP15787143.5A patent/EP3204784A1/en not_active Withdrawn
- 2015-10-06 WO PCT/EP2015/073027 patent/WO2016055462A1/en active Application Filing
- 2015-10-06 RU RU2017115944A patent/RU2707661C2/ru not_active IP Right Cessation
- 2015-10-06 US US15/516,423 patent/US20170307716A1/en not_active Abandoned
- 2015-10-06 JP JP2017518121A patent/JP2017529960A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016055462A1 (en) | 2016-04-14 |
| RU2017115944A (ru) | 2018-11-12 |
| CN106796274B (zh) | 2020-01-07 |
| JP2017529960A (ja) | 2017-10-12 |
| CN106796274A (zh) | 2017-05-31 |
| US20170307716A1 (en) | 2017-10-26 |
| RU2707661C2 (ru) | 2019-11-28 |
| EP3204784A1 (en) | 2017-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20201007 |