CN102890255B - 一种用于缩短回波时间的由内而外平面回波成像方法 - Google Patents
一种用于缩短回波时间的由内而外平面回波成像方法 Download PDFInfo
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- CN102890255B CN102890255B CN201210399111.5A CN201210399111A CN102890255B CN 102890255 B CN102890255 B CN 102890255B CN 201210399111 A CN201210399111 A CN 201210399111A CN 102890255 B CN102890255 B CN 102890255B
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- 238000003384 imaging method Methods 0.000 title claims abstract description 38
- 238000004904 shortening Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000002441 reversible effect Effects 0.000 claims abstract description 10
- 230000001965 increasing effect Effects 0.000 claims abstract description 9
- 238000012937 correction Methods 0.000 claims description 10
- 230000002085 persistent effect Effects 0.000 claims description 5
- 238000000691 measurement method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000002372 labelling Methods 0.000 abstract description 4
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 238000002595 magnetic resonance imaging Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000007383 nerve stimulation Effects 0.000 description 2
- 210000000578 peripheral nerve Anatomy 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 238000012952 Resampling Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003925 brain function Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
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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
- 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]
- G01R33/5616—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 gradient refocusing, e.g. EPI
-
- 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
- G01R33/56308—Characterization of motion or flow; Dynamic imaging
- G01R33/56333—Involving spatial modulation of the magnetization within an imaged region, e.g. spatial modulation of magnetization [SPAMM] tagging
-
- 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)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
Claims (4)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201210399111.5A CN102890255B (zh) | 2012-10-19 | 2012-10-19 | 一种用于缩短回波时间的由内而外平面回波成像方法 |
PCT/CN2012/084051 WO2014059707A1 (zh) | 2012-10-19 | 2012-11-05 | 一种用于缩短回波时间的由内而外平面回波成像方法 |
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CN201210399111.5A CN102890255B (zh) | 2012-10-19 | 2012-10-19 | 一种用于缩短回波时间的由内而外平面回波成像方法 |
Publications (2)
Publication Number | Publication Date |
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CN102890255A CN102890255A (zh) | 2013-01-23 |
CN102890255B true CN102890255B (zh) | 2015-07-29 |
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CN201210399111.5A Expired - Fee Related CN102890255B (zh) | 2012-10-19 | 2012-10-19 | 一种用于缩短回波时间的由内而外平面回波成像方法 |
Country Status (2)
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CN (1) | CN102890255B (zh) |
WO (1) | WO2014059707A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6113522B2 (ja) * | 2013-02-19 | 2017-04-12 | 東芝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及び画像処理装置 |
CN104898099A (zh) * | 2014-09-16 | 2015-09-09 | 郑州轻工业学院 | 雷达三维回波伪影相位校正方法 |
CN105785297B (zh) * | 2014-12-18 | 2019-11-12 | 西门子(深圳)磁共振有限公司 | 多片层数据采集方法及其磁共振成像方法 |
CN105548928B (zh) * | 2015-12-04 | 2018-04-24 | 厦门大学 | 一种基于分段激发时空编码的多层超快速磁共振成像方法 |
US10768252B2 (en) * | 2018-10-24 | 2020-09-08 | General Electric Company | Methods and systems for sampling k-space data in magnetic resonance imaging |
CN109596659B (zh) * | 2018-12-06 | 2021-07-30 | 上海交通大学 | 二维以及三维快速自旋回波成像方法 |
CN111142056B (zh) * | 2020-01-21 | 2022-03-04 | 奥泰医疗系统有限责任公司 | 平面回波二维空间选择性脉冲的校正方法 |
Family Cites Families (15)
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US5239266A (en) * | 1990-08-03 | 1993-08-24 | The Regents Of The University Of California | MRI using variable imaging parameter(s) within a single image sequence |
JPH0654817A (ja) * | 1992-04-24 | 1994-03-01 | Philips Electron Nv | 磁気共鳴画像方法及び装置 |
JP2755125B2 (ja) * | 1993-09-30 | 1998-05-20 | 株式会社島津製作所 | Mrイメージング装置 |
US5825184A (en) * | 1996-04-26 | 1998-10-20 | Picker International, Inc. | Ultra-fast imaging technique using k-space segmentation with minimum phase and amplitude errors |
DE10326174B4 (de) * | 2003-06-10 | 2008-11-27 | Siemens Ag | Verfahren zur Verhinderung des Doppeldeutigkeitsartefaktes in der Magnetresonanz-Tomographie-Bildgebung |
CN1856714A (zh) * | 2003-09-23 | 2006-11-01 | 皇家飞利浦电子股份有限公司 | 以环形顺序步骤在k-空间的中心周围跳动 |
US7457655B2 (en) * | 2004-10-08 | 2008-11-25 | Mayo Foundation For Medical Education And Research | Motion correction of magnetic resonance images using moments of spatial projections |
CN101109791B (zh) * | 2006-07-19 | 2010-09-29 | 西门子(中国)有限公司 | 回波平面成像序列的纠正方法 |
CN101153896A (zh) * | 2006-09-29 | 2008-04-02 | 西门子(中国)有限公司 | 回波平面成像序列的图像重建方法 |
US7619410B2 (en) * | 2007-06-08 | 2009-11-17 | General Electric Company | System and method for accelerated magnetic resonance parallel imaging |
CN101357063B (zh) * | 2008-08-29 | 2010-06-16 | 华东师范大学 | 一种磁共振快速自旋回波成像方法 |
DE102009014498B4 (de) * | 2009-03-23 | 2011-03-24 | Siemens Aktiengesellschaft | Verfahren, Magnetresonanzgerät und Computerprogramm zur Erstellung von Bildern mittels paralleler Akquisitionstechnik |
CN102141603B (zh) * | 2010-01-28 | 2013-07-31 | 西门子(深圳)磁共振有限公司 | 一种平面回波成像方法和系统 |
JP5835989B2 (ja) * | 2010-08-11 | 2015-12-24 | 株式会社東芝 | 磁気共鳴イメージング装置および磁気共鳴イメージング方法 |
DE102010041446B4 (de) * | 2010-09-27 | 2013-05-23 | Siemens Aktiengesellschaft | Erstellung eines MR-Bilddatensatzes bei sehr kurzen Echozeiten TE |
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2012
- 2012-10-19 CN CN201210399111.5A patent/CN102890255B/zh not_active Expired - Fee Related
- 2012-11-05 WO PCT/CN2012/084051 patent/WO2014059707A1/zh active Application Filing
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WO2014059707A1 (zh) | 2014-04-24 |
CN102890255A (zh) | 2013-01-23 |
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