KR100902518B1 - 일반급수 병렬영상법을 이용한 고해상도 자기공명영상생성방법 및 그 기록매체 - Google Patents
일반급수 병렬영상법을 이용한 고해상도 자기공명영상생성방법 및 그 기록매체 Download PDFInfo
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- KR100902518B1 KR100902518B1 KR1020070058917A KR20070058917A KR100902518B1 KR 100902518 B1 KR100902518 B1 KR 100902518B1 KR 1020070058917 A KR1020070058917 A KR 1020070058917A KR 20070058917 A KR20070058917 A KR 20070058917A KR 100902518 B1 KR100902518 B1 KR 100902518B1
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- G01R33/5619—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 by temporal sharing of data, e.g. keyhole, block regional interpolation scheme for k-Space [BRISK]
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- 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
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Abstract
Description
Claims (12)
- 미리 정해진 한정 주파수 이하의 주파수 대역만을 나이퀴스트(Nyquist) 기준보다 낮은 빈도로 샘플링하여 자기공명데이터를 획득하는 단계;상기 자기공명데이터를 일반급수영상법의 재구성방법으로 중간자기공명영상을 생성하는 단계; 및상기 중간자기공명영상을 병렬자기공명영상법의 재구성방법으로 상기 자기공명데이터가 재구성된 최종자기공명영상을 생성하는 단계를 포함하는, 일반급수 병렬영상법을 이용한 고해상도 자기공명영상 생성방법.
- 제1항에 있어서,상기 나이퀴스트(Nyquist) 기준보다 낮은 빈도로 샘플링하는 방법은 스페이스 립(SPACE RIP, Sensitivity Profiles From an Array of Coils for Encoding and Reconstruction in Parallel)의 샘플링방법인, 일반급수 병렬영상법을 이용한 고해상도 자기공명영상 생성방법.
- 제1항에 있어서,상기 일반급수영상법의 재구성방법에 정규화(Regularization)법을 부가하여 상기 중간자기공명영상을 생성하는, 일반급수 병렬영상법을 이용한 고해상도 자기공명영상 생성방법.
- 제1항에 있어서,상기 병렬자기공명영상법의 재구성방법에 정규화(Regularization)법을 부가하여 상기 최종자기공명영상을 생성하는, 일반급수 병렬영상법을 이용한 고해상도 자기공명영상 생성방법.
- 제1항에 있어서,상기 병렬자기공명영상법의 재구성방법은,스페이스 립(SPACE RIP, Sensitivity Profiles From an Array of Coils for Encoding and Reconstruction in Parallel)의 재구성방법인, 일반급수 병렬영상법을 이용한 고해상도 자기공명영상 생성방법.
- 제1항 내지 제5항 중 어느 한 항에 따른 일반급수 병렬영상법을 이용한 고해상도 자기공명영상 생성방법을 컴퓨터에서 실행시키기 위한 프로그램을 기록한 컴퓨터로 읽을 수 있는 기록매체.
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KR1020070058917A KR100902518B1 (ko) | 2007-06-15 | 2007-06-15 | 일반급수 병렬영상법을 이용한 고해상도 자기공명영상생성방법 및 그 기록매체 |
EP07014296A EP2003463A3 (en) | 2007-06-15 | 2007-07-20 | Method for generating high resolution MRI image and recording medium thereof |
US11/782,504 US7746070B2 (en) | 2007-06-15 | 2007-07-24 | Method for generating high resolution MRI image and recording medium thereof |
JP2007193736A JP5049687B2 (ja) | 2007-06-15 | 2007-07-25 | 一般級数並列映像法を利用した高解像度磁気共鳴映像の生成方法及びその記録媒体 |
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KR1020070058917A KR100902518B1 (ko) | 2007-06-15 | 2007-06-15 | 일반급수 병렬영상법을 이용한 고해상도 자기공명영상생성방법 및 그 기록매체 |
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KR20080110316A KR20080110316A (ko) | 2008-12-18 |
KR100902518B1 true KR100902518B1 (ko) | 2009-06-15 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101105352B1 (ko) | 2010-09-09 | 2012-01-16 | (주)사이메딕스 | 적응적 셀프 캘리브레이션이 가능한 병렬 자기 공명 영상 장치, 그 영상 방법 및 그 기록 매체 |
KR101438758B1 (ko) | 2013-04-02 | 2014-09-05 | 고려대학교 산학협력단 | 자기 공명 영상 처리 장치 및 방법 |
KR101517606B1 (ko) * | 2013-10-29 | 2015-05-04 | 한국과학기술원 | K-공간의 저주파 정보를 기반으로 설계된 필터뱅크를 이용한 병렬영상기법 |
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JP5443695B2 (ja) * | 2008-03-05 | 2014-03-19 | 株式会社東芝 | 磁気共鳴イメージング装置 |
KR101030676B1 (ko) * | 2009-01-05 | 2011-04-22 | 한국과학기술원 | 높은 시공간 해상도의 기능적 자기 공명 영상을 위한 고차 일반 급수 병렬 영상법 및 샘플링 법 |
US9316712B2 (en) * | 2009-04-17 | 2016-04-19 | Siemens Plc | Magnetic resonance method and apparatus using dual echoes for data acquisition |
EP2503349A1 (en) | 2011-03-24 | 2012-09-26 | Koninklijke Philips Electronics N.V. | MR image reconstruction using prior information-constrained regularization |
JP5819675B2 (ja) * | 2011-08-25 | 2015-11-24 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 磁気共鳴イメージング装置、およびプログラム |
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 |
CN103767705B (zh) | 2012-10-23 | 2017-12-22 | 三星电子株式会社 | 磁共振成像系统和磁共振成像方法 |
US9412076B2 (en) | 2013-07-02 | 2016-08-09 | Surgical Information Sciences, Inc. | Methods and systems for a high-resolution brain image pipeline and database program |
KR101686184B1 (ko) * | 2015-07-09 | 2016-12-13 | 성균관대학교산학협력단 | 병렬 자기공명영상 처리장치 및 방법 |
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- 2007-07-20 EP EP07014296A patent/EP2003463A3/en not_active Withdrawn
- 2007-07-24 US US11/782,504 patent/US7746070B2/en not_active Expired - Fee Related
- 2007-07-25 JP JP2007193736A patent/JP5049687B2/ja not_active Expired - Fee Related
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101105352B1 (ko) | 2010-09-09 | 2012-01-16 | (주)사이메딕스 | 적응적 셀프 캘리브레이션이 가능한 병렬 자기 공명 영상 장치, 그 영상 방법 및 그 기록 매체 |
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KR101438758B1 (ko) | 2013-04-02 | 2014-09-05 | 고려대학교 산학협력단 | 자기 공명 영상 처리 장치 및 방법 |
KR101517606B1 (ko) * | 2013-10-29 | 2015-05-04 | 한국과학기술원 | K-공간의 저주파 정보를 기반으로 설계된 필터뱅크를 이용한 병렬영상기법 |
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EP2003463A3 (en) | 2010-11-10 |
KR20080110316A (ko) | 2008-12-18 |
JP2008307357A (ja) | 2008-12-25 |
US20080312525A1 (en) | 2008-12-18 |
JP5049687B2 (ja) | 2012-10-17 |
EP2003463A2 (en) | 2008-12-17 |
US7746070B2 (en) | 2010-06-29 |
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