DE112017006513T5 - Mri-verfahren zur t1-kartierung des herzens unter verwendung einer rekonstruktion der maximalen wahrscheinlichkeit im k-raum - Google Patents
Mri-verfahren zur t1-kartierung des herzens unter verwendung einer rekonstruktion der maximalen wahrscheinlichkeit im k-raum Download PDFInfo
- Publication number
- DE112017006513T5 DE112017006513T5 DE112017006513.5T DE112017006513T DE112017006513T5 DE 112017006513 T5 DE112017006513 T5 DE 112017006513T5 DE 112017006513 T DE112017006513 T DE 112017006513T DE 112017006513 T5 DE112017006513 T5 DE 112017006513T5
- Authority
- DE
- Germany
- Prior art keywords
- magnetic resonance
- data
- imaging system
- resonance data
- resonance imaging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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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
- G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences
-
- 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
- G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
-
- 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
- G01R33/561—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
-
- 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
- G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
- G01R33/5673—Gating or triggering based on a physiological signal other than an MR signal, e.g. ECG gating or motion monitoring using optical systems for monitoring the motion of a fiducial marker
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0033—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room
- A61B5/004—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room adapted for image acquisition of a particular organ or body part
- A61B5/0044—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room adapted for image acquisition of a particular organ or body part for the heart
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B5/346—Analysis of electrocardiograms
- A61B5/349—Detecting specific parameters of the electrocardiograph cycle
- A61B5/352—Detecting R peaks, e.g. for synchronising diagnostic apparatus; Estimating R-R interval
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7271—Specific aspects of physiological measurement analysis
- A61B5/7285—Specific aspects of physiological measurement analysis for synchronizing or triggering a physiological measurement or image acquisition with a physiological event or waveform, e.g. an ECG signal
- A61B5/7292—Prospective gating, i.e. predicting the occurrence of a physiological event for use as a synchronisation signal
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- High Energy & Nuclear Physics (AREA)
- Signal Processing (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Physiology (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Cardiology (AREA)
- Artificial Intelligence (AREA)
- Pulmonology (AREA)
- Power Engineering (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Psychiatry (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16206053 | 2016-12-22 | ||
| EP16206053.7 | 2016-12-22 | ||
| PCT/EP2017/083917 WO2018115179A1 (en) | 2016-12-22 | 2017-12-20 | Mri method for t1 mapping of the heart using a maximum likelihood reconstruction in k-space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE112017006513T5 true DE112017006513T5 (de) | 2019-11-28 |
Family
ID=57755016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE112017006513.5T Withdrawn DE112017006513T5 (de) | 2016-12-22 | 2017-12-20 | Mri-verfahren zur t1-kartierung des herzens unter verwendung einer rekonstruktion der maximalen wahrscheinlichkeit im k-raum |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20200088823A1 (https=) |
| JP (1) | JP2020504647A (https=) |
| CN (1) | CN110114685B (https=) |
| DE (1) | DE112017006513T5 (https=) |
| WO (1) | WO2018115179A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11963752B2 (en) * | 2020-02-21 | 2024-04-23 | Shanghai United Imaging Healthcare Co., Ltd. | Imaging systems and methods |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006527617A (ja) * | 2003-06-19 | 2006-12-07 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 読み出し方向での感度エンコーディングのあるmr撮像 |
| WO2007023435A1 (en) * | 2005-08-23 | 2007-03-01 | Koninklijke Philips Electronics N.V. | Device and method for parallel magnetic resonance imaging |
| 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 |
| WO2011058047A1 (en) * | 2009-11-10 | 2011-05-19 | Deutsches Herzzentrum Berlin | Look-locker ir-ssfp for cardiac mr imaging with simultaneous generation of cardiac tl maps, cine images and ir -prepared images |
| US8848990B2 (en) * | 2010-09-28 | 2014-09-30 | Siemens Aktiengesellschaft | Automatic registration of image series with varying contrast based on synthetic images derived from intensity behavior model |
| DE102012206585B4 (de) * | 2012-04-20 | 2013-12-12 | Siemens Aktiengesellschaft | Verfahren zur schnellen ortsaufgelösten Bestimmung eines Magnetresonanz-Relaxationsparameters in einem Untersuchungsgebiet |
| JP5984258B2 (ja) * | 2012-04-27 | 2016-09-06 | 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 |
| US9202272B2 (en) * | 2012-09-20 | 2015-12-01 | Beth Israel Deaconess Medical Center, Inc. (Bidmc, Inc.) | Method and apparatus for image enhancement in magnetic resonance imaging using motion corrupted data |
| US9835705B2 (en) * | 2013-11-07 | 2017-12-05 | Beth Israel Deaconess Medical Center, Inc. | System and method for free-breathing volumetric imaging of cardiac tissue |
| CN103714536B (zh) * | 2013-12-17 | 2017-06-16 | 深圳先进技术研究院 | 基于稀疏表示的多模态磁共振图像的分割方法及装置 |
| WO2016044943A1 (en) * | 2014-09-26 | 2016-03-31 | University Health Network | Method for t1 mapping with incomplete tissue magnetization recovery |
| US9474495B2 (en) * | 2014-12-22 | 2016-10-25 | General Electric Company | System and method for joint estimation of attenuation and activity information |
-
2017
- 2017-12-20 WO PCT/EP2017/083917 patent/WO2018115179A1/en not_active Ceased
- 2017-12-20 CN CN201780079836.7A patent/CN110114685B/zh not_active Expired - Fee Related
- 2017-12-20 US US16/471,022 patent/US20200088823A1/en not_active Abandoned
- 2017-12-20 DE DE112017006513.5T patent/DE112017006513T5/de not_active Withdrawn
- 2017-12-20 JP JP2019533485A patent/JP2020504647A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN110114685A (zh) | 2019-08-09 |
| US20200088823A1 (en) | 2020-03-19 |
| WO2018115179A1 (en) | 2018-06-28 |
| CN110114685B (zh) | 2022-03-08 |
| JP2020504647A (ja) | 2020-02-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |