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 PDF

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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
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CN
China
Prior art keywords
signal
motion
radio frequency
antenna elements
noise
Prior art date
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Pending
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CN201680030623.0A
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English (en)
Chinese (zh)
Inventor
O·利普斯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN107667299A publication Critical patent/CN107667299A/zh
Pending legal-status Critical Current

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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
    • G01R33/565—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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201680030623.0A 2015-05-27 2016-05-18 利用多元件射频天线的运动检测 Pending CN107667299A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15169440 2015-05-27
EP15169440.3 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 (https=)
EP (1) EP3304114A1 (https=)
JP (1) JP2018519029A (https=)
CN (1) CN107667299A (https=)
WO (1) WO2016188826A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI667487B (zh) * 2016-09-29 2019-08-01 美商超精細研究股份有限公司 射頻線圈調諧方法及裝置
US10048350B1 (en) * 2017-10-31 2018-08-14 Cognitive Systems Corp. Motion detection based on groupings of statistical parameters of wireless signals
EP3727145B1 (en) 2017-12-22 2024-01-24 ResMed Sensor Technologies Limited Apparatus, system, and method for physiological sensing in vehicles
CN116898406A (zh) 2017-12-22 2023-10-20 瑞思迈传感器技术有限公司 用于运动感测的设备、系统和方法
CN111655125B (zh) 2017-12-22 2023-08-18 瑞思迈传感器技术有限公司 用于健康和医学感测的设备、系统和方法
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
CN116530963B (zh) * 2022-01-26 2025-12-23 上海联影医疗科技股份有限公司 磁共振线圈的自检方法、装置、计算机设备和介质
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101490577B (zh) * 2006-07-18 2012-10-03 皇家飞利浦电子股份有限公司 图像重建设备及方法及磁共振成像系统
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
US10788559B2 (en) 2020-09-29
WO2016188826A1 (en) 2016-12-01
US20180143283A1 (en) 2018-05-24

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