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

Info

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
Authority
JP
Japan
Prior art keywords
signal
radio frequency
motion
noise
antenna elements
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
Application number
JP2017561293A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018519029A5 (https=
Inventor
オリバー リップス
オリバー リップス
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
Original Assignee
Koninklijke Philips NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of JP2018519029A publication Critical patent/JP2018519029A/ja
Publication of JP2018519029A5 publication Critical patent/JP2018519029A5/ja
Pending legal-status Critical Current

Links

Images

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)
  • 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)
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 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 (2)

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

Family

ID=53276735

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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=)

Families Citing this family (10)

* 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
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
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 (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

Family Cites Families (4)

* 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
US8553964B2 (en) * 2010-10-20 2013-10-08 Siemens Aktiengesellschaft Unifying reconstruction and motion estimation in first pass cardiac perfusion imaging
EP2713867A4 (en) * 2011-05-24 2015-01-21 Univ California MAGNETIC ZEPHALOGRAPHY 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
EP3304114A1 (en) 2018-04-11
US10788559B2 (en) 2020-09-29
CN107667299A (zh) 2018-02-06
WO2016188826A1 (en) 2016-12-01
US20180143283A1 (en) 2018-05-24

Similar Documents

Publication Publication Date Title
JP2018519029A (ja) 多要素無線周波数アンテナによる動き検出
JP6688740B2 (ja) Ｒｆノイズ検出コイルを有する磁気共鳴イメージング
JP6285613B2 (ja) 一次元エクステンションに沿う磁気共鳴フィンガプリンティング
CN104603630B (zh) 具有基于导航器的运动检测的磁共振成像系统
JP6684826B2 (ja) Ｒｆノイズを伴う磁気共鳴イメージングのための方法及び装置
CN108885246B (zh) 用于生成高b值处的合成扩散图像的扩散MRI方法
RU2682970C2 (ru) Автоматическая группировка магнитно-резонансных изображений
RU2764643C2 (ru) Управляемая потоком данных коррекция фазозависимых артефактов в системе магнитно-резонансной томографии
WO2021228515A1 (en) Correction of magnetic resonance images using multiple magnetic resonance imaging system configurations
CN112204411B (zh) Cest磁共振成像中的运动检测
JP2019530486A (ja) 動き補正された圧縮検知磁気共鳴イメージング
CN113892149A (zh) 用于运动伪影检测的方法
CN119072714A (zh) 使用神经网络生成的图像评估监测医学图像
JP2020525157A (ja) フーリエ空間における磁気共鳴フィンガプリンティング
US20240288523A1 (en) Out of distribution testing for magnetic resonance imaging
EP4390433A1 (en) Cardiovascular magnetic resonance imaging using remote photo plethysmography
JP2025523013A (ja) 磁気共鳴イメージングを使用した解剖学的測定
WO2023156233A1 (en) Detection of artifical structures in magentic resonance images due to neural networks
WO2024251779A1 (en) Triggering medical data acquisition using ppg and bcg signals

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190515

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20190515

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20200324

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20200421

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20201124