CN107667299A - 利用多元件射频天线的运动检测 - Google Patents
利用多元件射频天线的运动检测 Download PDFInfo
- Publication number
- CN107667299A CN107667299A CN201680030623.0A CN201680030623A CN107667299A CN 107667299 A CN107667299 A CN 107667299A CN 201680030623 A CN201680030623 A CN 201680030623A CN 107667299 A CN107667299 A CN 107667299A
- Authority
- CN
- China
- Prior art keywords
- signal
- noise
- multiple antenna
- norm
- motion
- 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.)
- Pending
Links
- 230000033001 locomotion Effects 0.000 title claims abstract description 101
- 238000001514 detection method Methods 0.000 title claims description 34
- 238000000605 extraction Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 53
- 238000002595 magnetic resonance imaging Methods 0.000 claims description 44
- 238000009826 distribution Methods 0.000 claims description 26
- 230000006870 function Effects 0.000 claims description 22
- 238000012545 processing Methods 0.000 claims description 18
- 238000004590 computer program Methods 0.000 claims description 11
- 238000005315 distribution function Methods 0.000 claims description 8
- 239000000284 extract Substances 0.000 claims description 7
- 238000004422 calculation algorithm Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000003860 storage Methods 0.000 description 24
- 230000008859 change Effects 0.000 description 18
- 230000008569 process Effects 0.000 description 16
- 238000005259 measurement Methods 0.000 description 14
- 238000003384 imaging method Methods 0.000 description 13
- 238000001914 filtration Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 6
- 101150071577 chi2 gene Proteins 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 210000000038 chest Anatomy 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000000241 respiratory effect Effects 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 241000638935 Senecio crassissimus Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000007630 basic procedure Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 238000010230 functional analysis Methods 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- G01R33/565—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
- G01R33/5608—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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15169440.3 | 2015-05-27 | ||
| EP15169440 | 2015-05-27 | ||
| PCT/EP2016/061165 WO2016188826A1 (en) | 2015-05-27 | 2016-05-18 | Motion detection with multi element radio frequency antennas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107667299A true CN107667299A (zh) | 2018-02-06 |
Family
ID=53276735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680030623.0A Pending CN107667299A (zh) | 2015-05-27 | 2016-05-18 | 利用多元件射频天线的运动检测 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10788559B2 (enExample) |
| EP (1) | EP3304114A1 (enExample) |
| JP (1) | JP2018519029A (enExample) |
| CN (1) | CN107667299A (enExample) |
| WO (1) | WO2016188826A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113456051A (zh) * | 2020-03-31 | 2021-10-01 | 佳能医疗系统株式会社 | 生物体信息监视装置以及磁共振成像装置 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI685668B (zh) * | 2016-09-29 | 2020-02-21 | 美商超精細研究股份有限公司 | 磁共振成像系統，以及搭配該磁共振成像系統使用之調諧系統 |
| US10048350B1 (en) * | 2017-10-31 | 2018-08-14 | Cognitive Systems Corp. | Motion detection based on groupings of statistical parameters of wireless signals |
| JP7202385B2 (ja) * | 2017-12-22 | 2023-01-11 | レスメッド センサー テクノロジーズ リミテッド | 健康および医療的感知のための装置、システムおよび方法 |
| JP7464522B2 (ja) | 2017-12-22 | 2024-04-09 | レスメッド センサー テクノロジーズ リミテッド | 動き感知のための装置、システムおよび方法 |
| KR102649497B1 (ko) | 2017-12-22 | 2024-03-20 | 레스메드 센서 테크놀로지스 리미티드 | 차량에서의 생리학적 감지를 위한 장치, 시스템, 및 방법 |
| EP3696561A1 (en) | 2019-02-14 | 2020-08-19 | Koninklijke Philips N.V. | Switchable impedance matching for noise-based motion detection in magnetic resonance imaging |
| EP3816647B1 (en) * | 2019-10-28 | 2024-06-26 | Siemens Healthineers AG | Method and system for monitoring a motion of a subject, and corresponding computer program product |
| CN115579635A (zh) * | 2022-08-31 | 2023-01-06 | 天津航天机电设备研究所 | 一种模块化天线可重构方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204335A (zh) * | 2007-12-14 | 2008-06-25 | 浙江工业大学 | 基于统计模型的心脏运动分析方法 |
| US20120148128A1 (en) * | 2010-10-20 | 2012-06-14 | Siemens Corporation | Unifying reconstruction and motion estimation in first pass cardiac perfusion imaging |
| CN103717129A (zh) * | 2011-05-24 | 2014-04-09 | 加利福尼亚大学董事会 | 脑磁图源成像 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008010126A1 (en) * | 2006-07-18 | 2008-01-24 | Koninklijke Philips Electronics N.V. | Artifact suppression in multi-coil mri |
| CN102324959B (zh) * | 2011-06-10 | 2013-10-16 | 宁波大学 | 一种基于多天线系统协方差矩阵的频谱感知方法 |
-
2016
- 2016-05-18 US US15/574,264 patent/US10788559B2/en not_active Expired - Fee Related
- 2016-05-18 JP JP2017561293A patent/JP2018519029A/ja active Pending
- 2016-05-18 EP EP16723362.6A patent/EP3304114A1/en not_active Withdrawn
- 2016-05-18 WO PCT/EP2016/061165 patent/WO2016188826A1/en not_active Ceased
- 2016-05-18 CN CN201680030623.0A patent/CN107667299A/zh active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204335A (zh) * | 2007-12-14 | 2008-06-25 | 浙江工业大学 | 基于统计模型的心脏运动分析方法 |
| US20120148128A1 (en) * | 2010-10-20 | 2012-06-14 | Siemens Corporation | Unifying reconstruction and motion estimation in first pass cardiac perfusion imaging |
| CN103717129A (zh) * | 2011-05-24 | 2014-04-09 | 加利福尼亚大学董事会 | 脑磁图源成像 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113456051A (zh) * | 2020-03-31 | 2021-10-01 | 佳能医疗系统株式会社 | 生物体信息监视装置以及磁共振成像装置 |
| CN113456051B (zh) * | 2020-03-31 | 2024-01-19 | 佳能医疗系统株式会社 | 生物体信息监视装置以及磁共振成像装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3304114A1 (en) | 2018-04-11 |
| JP2018519029A (ja) | 2018-07-19 |
| WO2016188826A1 (en) | 2016-12-01 |
| US20180143283A1 (en) | 2018-05-24 |
| US10788559B2 (en) | 2020-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107667299A (zh) | 利用多元件射频天线的运动检测 | |
| CN108885246B (zh) | 用于生成高b值处的合成扩散图像的扩散MRI方法 | |
| US10794979B2 (en) | Removal of image artifacts in sense-MRI | |
| CN111480089B (zh) | 具有运动检测的磁共振成像系统 | |
| KR20190013837A (ko) | 텐서장 맵핑 | |
| US20210123999A1 (en) | Systems and methods of reconstructing magnetic resonance images using deep learning | |
| US8781552B2 (en) | Localization of aorta and left atrium from magnetic resonance imaging | |
| CN107533117A (zh) | 用于具有rf噪声的磁共振成像的方法和装置 | |
| CN105848578B (zh) | 磁共振成像设备和方法 | |
| CN103961099A (zh) | 磁共振成像设备和使用所述设备的磁化率加权成像方法 | |
| US10761167B2 (en) | System and method for generating a magnetic resonance fingerprinting dictionary using semi-supervised learning | |
| US20250251478A1 (en) | Deep learning based denoising of mr images | |
| WO2015140277A1 (en) | Control of magnetic resonance imaging acquisition using modeling | |
| WO2019179838A1 (en) | Anomaly detection using magnetic resonance fingerprinting | |
| CN113327224B (zh) | 自动视场（fov）界定的系统和方法 | |
| CN106872921B (zh) | 磁共振成像方法和装置 | |
| KR101797141B1 (ko) | 자기 공명 영상 처리 장치 및 그 영상 처리 방법 | |
| CN113661404A (zh) | 使用模拟磁共振图像对磁共振图像的校正 | |
| KR20200126825A (ko) | 자기 공명 신호 데이터로부터 파라미터 맵을 생성하는 자기 공명 영상 장치 및 그 동작 방법 | |
| JP6873134B2 (ja) | Ｓｅｎｓｅイメージングにおける画像アーチファクトの除去 | |
| EP4473901A1 (en) | Triggering medical data acquisition using ppg and bcg signals | |
| EP4306983A1 (en) | Making anatomical measurements using magnetic resonance imaging | |
| EP4657105A1 (en) | Turbo field echo magnetic resonance imaging with an initial spin echo preparatory pulse | |
| WO2024251779A1 (en) | Triggering medical data acquisition using ppg and bcg signals | |
| JP2025530995A (ja) | 合成磁気共鳴画像の再構成のための再構成パラメータ決定 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20210101 |