JP2018519029A - 多要素無線周波数アンテナによる動き検出 - Google Patents

多要素無線周波数アンテナによる動き検出 Download PDF

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Publication number
JP2018519029A
JP2018519029A JP2017561293A JP2017561293A JP2018519029A JP 2018519029 A JP2018519029 A JP 2018519029A JP 2017561293 A JP2017561293 A JP 2017561293A JP 2017561293 A JP2017561293 A JP 2017561293A JP 2018519029 A JP2018519029 A JP 2018519029A
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signal
radio frequency
motion
noise
antenna elements
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JP2017561293A
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Japanese (ja)
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JP2018519029A5 (enExample
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オリバー リップス
オリバー リップス
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Koninklijke Philips NV
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Koninklijke Philips NV
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Publication of JP2018519029A publication Critical patent/JP2018519029A/ja
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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)
  • 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)
JP2017561293A 2015-05-27 2016-05-18 多要素無線周波数アンテナによる動き検出 Pending JP2018519029A (ja)

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 (2)

Publication Number Publication Date
JP2018519029A true JP2018519029A (ja) 2018-07-19
JP2018519029A5 JP2018519029A5 (enExample) 2019-06-20

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JP2017561293A Pending JP2018519029A (ja) 2015-05-27 2016-05-18 多要素無線周波数アンテナによる動き検出

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US (1) US10788559B2 (enExample)
EP (1) EP3304114A1 (enExample)
JP (1) JP2018519029A (enExample)
CN (1) CN107667299A (enExample)
WO (1) WO2016188826A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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
WO2019122414A1 (en) 2017-12-22 2019-06-27 Resmed Sensor Technologies Limited Apparatus, system, and method for physiological sensing in vehicles
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
KR102658390B1 (ko) * 2017-12-22 2024-04-17 레스메드 센서 테크놀로지스 리미티드 건강 및 의료 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
JP7526578B2 (ja) * 2020-03-31 2024-08-01 キヤノンメディカルシステムズ株式会社 生体情報モニタ装置及び磁気共鳴イメージング装置
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 (1)

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JP2009543648A (ja) * 2006-07-18 2009-12-10 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 マルチコイルｍｒｉのアーティファクト抑制

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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
US8553964B2 (en) * 2010-10-20 2013-10-08 Siemens Aktiengesellschaft Unifying reconstruction and motion estimation in first pass cardiac perfusion imaging
US20140378815A1 (en) * 2011-05-24 2014-12-25 The Regents Of The University Of California Magnetoencephalography source imaging
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009543648A (ja) * 2006-07-18 2009-12-10 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 マルチコイルｍｒｉのアーティファクト抑制

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ANDREYCHENKO, ANNA: ""Noise variance of an RF receive array reflects respiratory motion: a novel respiratory motion pred", PROC.INTL.SOC.MAG.RESON.MED., vol. 22(2014), JPN6020013815, 16 May 2014 (2014-05-16), pages 92, ISSN: 0004251757 *
TIAN, QIYUAN: ""Effects of Motion on Coupling of Coil Elements and Parallel Imaging Reconstruction at 3T and 7T"", PROC.INTL.SOC.MAG.RESON.MED., vol. 23(2015), JPN6020013814, 5 June 2015 (2015-06-05), pages 2419, ISSN: 0004251756 *

Also Published As

Publication number Publication date
US10788559B2 (en) 2020-09-29
EP3304114A1 (en) 2018-04-11
CN107667299A (zh) 2018-02-06
WO2016188826A1 (en) 2016-12-01
US20180143283A1 (en) 2018-05-24

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