HK1124666A1 - Constrained backprojection reconstruction method for undersampled mri - Google Patents

Constrained backprojection reconstruction method for undersampled mri

Info

Publication number
HK1124666A1
HK1124666A1 HK09102135.3A HK09102135A HK1124666A1 HK 1124666 A1 HK1124666 A1 HK 1124666A1 HK 09102135 A HK09102135 A HK 09102135A HK 1124666 A1 HK1124666 A1 HK 1124666A1
Authority
HK
Hong Kong
Prior art keywords
reconstruction method
image
backprojection reconstruction
constrained backprojection
undersampled mri
Prior art date
Application number
HK09102135.3A
Other languages
English (en)
Inventor
Charles A Mistretta
Original Assignee
Wisconsin Alumni Res Found
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 Wisconsin Alumni Res Found filed Critical Wisconsin Alumni Res Found
Publication of HK1124666A1 publication Critical patent/HK1124666A1/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/037—Emission tomography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
    • A61B6/4441—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure the rigid structure being a C-arm or U-arm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/507—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for determination of haemodynamic parameters, e.g. perfusion CT
    • 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
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G01R33/4824—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a non-Cartesian trajectory
    • 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
    • G01R33/561—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7253—Details of waveform analysis characterised by using transforms
    • A61B5/7257—Details of waveform analysis characterised by using transforms using Fourier transforms
    • 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
    • G01R33/561—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
    • 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]
    • 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
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56308—Characterization of motion or flow; Dynamic imaging

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Mathematical Optimization (AREA)
  • Signal Processing (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Pulmonology (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
HK09102135.3A 2005-07-08 2009-03-05 Constrained backprojection reconstruction method for undersampled mri HK1124666A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US69760705P 2005-07-08 2005-07-08
US71944505P 2005-09-22 2005-09-22
PCT/US2006/026201 WO2007008532A1 (en) 2005-07-08 2006-07-06 Constrained backprojection reconstruction method for undersampled mri

Publications (1)

Publication Number Publication Date
HK1124666A1 true HK1124666A1 (en) 2009-07-17

Family

ID=37102451

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09102135.3A HK1124666A1 (en) 2005-07-08 2009-03-05 Constrained backprojection reconstruction method for undersampled mri

Country Status (7)

Country Link
US (2) US7917189B2 (xx)
EP (2) EP1902328B1 (xx)
JP (2) JP5167125B2 (xx)
AT (1) ATE448531T1 (xx)
DE (1) DE602006010388D1 (xx)
HK (1) HK1124666A1 (xx)
WO (2) WO2007008532A1 (xx)

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7583992B2 (en) * 2000-03-30 2009-09-01 Wisconsin Alumni Research Foundation Magnetic resonance angiography with automated vessel segmentation
US7558612B2 (en) * 2002-04-16 2009-07-07 The Board Of Trustees Of The Leland Stanford Junior University Motion compensated spiral FISP MRI
US7218702B2 (en) * 2004-05-10 2007-05-15 Wisconsin Alumni Research Foundation X-ray system for use in image guided procedures
WO2007037951A2 (en) * 2005-09-22 2007-04-05 Wisconsin Alumni Research Foundation Reconstruction of motion encoded mr images involving a highly constrained backprojection
WO2007037937A1 (en) * 2005-09-22 2007-04-05 Wisconsin Alumni Research Foundation Reconstruction of images of the beating heart using a highly constrained backprojection
US7408347B2 (en) * 2005-09-22 2008-08-05 Wisconsin Alumni Research Foundation Highly constrained magnetic resonance spectroscopy image reconstruction method
US7402807B2 (en) * 2005-11-02 2008-07-22 Siemens Medical Solutions Usa, Inc. Method for reducing an electronic time coincidence window in positron emission tomography
JP5052077B2 (ja) * 2006-09-07 2012-10-17 株式会社東芝 Ｘ線画像診断装置
JP5325795B2 (ja) * 2007-01-02 2013-10-23 ウイスコンシン アラムナイ リサーチ ファウンデーシヨン 位相差合成画像を用いた高度に制約された逆投影再構成法を利用した造影ｍｒａ
US7663364B2 (en) * 2007-02-06 2010-02-16 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus, image processing apparatus, computer program product, and data storing method
EP1959397B1 (en) * 2007-02-19 2019-08-07 Wisconsin Alumni Research Foundation Iterative HYPR medical image reconstruction
ATE542196T1 (de) 2007-02-19 2012-02-15 Wisconsin Alumni Res Found Verfahren zur lokalisierten und stark eingeschränkten bildrekonstruktion
DE102007009209B3 (de) * 2007-02-26 2008-08-28 Siemens Ag Verfahren zur Erzeugung von zeitlich hochaufgelösten MR-Aufnahmen durch Multiplikation unterabgetasteter Bilder mit einem Mittelwertbild
CN101681520B (zh) * 2007-05-30 2013-09-25 皇家飞利浦电子股份有限公司 Pet局部断层摄影
US8825138B2 (en) * 2007-09-17 2014-09-02 Wisconsin Alumni Research Foundation Method for reducing motion artifacts in highly constrained medical images
EP2037413A3 (en) * 2007-09-17 2011-01-26 Wisconsin Alumni Research Foundation A method for reducing motion artifacts in highly constrained medical images
DE102007045313B4 (de) * 2007-09-21 2016-02-11 Siemens Aktiengesellschaft Verfahren zur getrennten dreidimensionalen Darstellung von Arterien und Venen in einem Untersuchungsobjekt
US8103487B2 (en) * 2007-10-31 2012-01-24 Siemens Medical Solutions Usa, Inc. Controlling the number of iterations in image reconstruction
US8111810B2 (en) * 2007-11-13 2012-02-07 Wisconsin Alumni Research Foundation Method for producing highly constrained ultrasound images
JP5470271B2 (ja) * 2007-12-20 2014-04-16 ウイスコンシン アラムナイ リサーチ ファウンデーシヨン ダイナミック先験的画像制限画像再構成法
EP2232446B1 (en) 2007-12-20 2013-04-17 Wisconsin Alumni Research Foundation Method for prior image constrained image reconstruction
JP5127841B2 (ja) * 2007-12-25 2013-01-23 株式会社日立メディコ 磁気共鳴イメージング装置及び磁化率強調画像撮影方法
EP2240906B1 (en) * 2008-01-14 2013-12-11 Wisconsin Alumni Research Foundation Method for prior image constrained progressive image reconstruction
US9858716B2 (en) * 2008-02-28 2018-01-02 International Business Machines Corporation Fast three-dimensional visualization of object volumes without image reconstruction by direct display of acquired sensor data
US8155466B2 (en) 2008-03-11 2012-04-10 General Electric Company Methods and apparatus for reducing noise in images
US8922209B2 (en) * 2008-03-11 2014-12-30 The University Of Western Ontario System and method for magnetic resonance imaging
US7548062B1 (en) * 2008-03-26 2009-06-16 The Board Of Trustees Of The Leland Stanford Junior University 3D cones gradient waveform generation
DE102008019128A1 (de) * 2008-04-16 2009-10-29 Siemens Aktiengesellschaft Vorrichtung zur Durchführung einer Bestrahlung und Verfahren zur Überwachung einer solchen
US8472688B2 (en) * 2008-04-17 2013-06-25 Wisconsin Alumni Research Foundation Method for image reconstruction employing sparsity-constrained iterative correction
DE102008022217B4 (de) 2008-05-06 2010-04-08 Siemens Aktiengesellschaft Verfahren und Systeme zur berührungslosen Übertragung optischer Signale
JP2011523076A (ja) * 2008-06-13 2011-08-04 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 生理学的リストモード核医学イメージングにおけるカウントの最適時間サンプリングのための逆データ再構成
US20090310740A1 (en) * 2008-06-16 2009-12-17 General Electric Company Computed tomography method and system
US20100053209A1 (en) * 2008-08-29 2010-03-04 Siemens Medical Solutions Usa, Inc. System for Processing Medical Image data to Provide Vascular Function Information
US8160340B2 (en) * 2008-09-04 2012-04-17 Siemens Medical Solutions Usa, Inc. Reconstructing a tomographic image
US9423480B2 (en) 2008-10-27 2016-08-23 The University Of Western Ontario System and method for magnetic resonance imaging
JP5355036B2 (ja) * 2008-10-28 2013-11-27 株式会社東芝 核医学画像撮影装置、核医学画像再構成装置及び核医学画像再構成プログラム
EP2349008B1 (en) * 2008-11-26 2015-02-25 Wisconsin Alumni Research Foundation Method for prior image constrained image reconstruction in cardiac cone beam computed tomography
US7928727B2 (en) * 2009-06-04 2011-04-19 Siemens Medical Solutions Usa, Inc. Adapting acquisition time in nuclear imaging
US8111893B2 (en) * 2009-06-09 2012-02-07 Wisconsin Alumni Research Foundation Method for dynamic prior image constrained image reconstruction
US20110235885A1 (en) * 2009-08-31 2011-09-29 Siemens Medical Solutions Usa, Inc. System for Providing Digital Subtraction Angiography (DSA) Medical Images
US8274284B2 (en) * 2009-10-06 2012-09-25 Northshore University Healthsystem Parallel-accelerated complex subtraction MRI
US9826942B2 (en) * 2009-11-25 2017-11-28 Dental Imaging Technologies Corporation Correcting and reconstructing x-ray images using patient motion vectors extracted from marker positions in x-ray images
US8363919B2 (en) * 2009-11-25 2013-01-29 Imaging Sciences International Llc Marker identification and processing in x-ray images
US9082177B2 (en) * 2009-11-25 2015-07-14 Dental Imaging Technologies Corporation Method for tracking X-ray markers in serial CT projection images
US8180130B2 (en) * 2009-11-25 2012-05-15 Imaging Sciences International Llc Method for X-ray marker localization in 3D space in the presence of motion
US9082036B2 (en) * 2009-11-25 2015-07-14 Dental Imaging Technologies Corporation Method for accurate sub-pixel localization of markers on X-ray images
US9082182B2 (en) * 2009-11-25 2015-07-14 Dental Imaging Technologies Corporation Extracting patient motion vectors from marker positions in x-ray images
US8761478B2 (en) * 2009-12-15 2014-06-24 General Electric Company System and method for tomographic data acquisition and image reconstruction
US8204172B1 (en) 2010-03-17 2012-06-19 General Electric Company System and method of prior image constrained image reconstruction using short scan image data and objective function minimization
US8653817B2 (en) 2010-04-02 2014-02-18 General Electric Company Accelerated pseudo-random data magnetic resonance imaging system and method
US8970217B1 (en) 2010-04-14 2015-03-03 Hypres, Inc. System and method for noise reduction in magnetic resonance imaging
US8441257B2 (en) 2010-04-27 2013-05-14 Northshore University Healthsystem Time resolved spin labeled MRI cineangiography
US8483463B2 (en) 2010-05-19 2013-07-09 Wisconsin Alumni Research Foundation Method for radiation dose reduction using prior image constrained image reconstruction
US8731262B2 (en) 2010-06-03 2014-05-20 Siemens Medical Solutions Usa, Inc. Medical image and vessel characteristic data processing system
WO2011161558A1 (en) 2010-06-21 2011-12-29 Koninklijke Philips Electronics N.V. Method and system for performing low- dose ct imaging
WO2012011069A1 (en) * 2010-07-22 2012-01-26 Koninklijke Philips Electronics N.V. Mri method for retrospective motion correction with interleaved radial acquisition
US8699773B2 (en) * 2010-10-21 2014-04-15 Beth Israel Deaconess Medical Center Method for image reconstruction using low-dimensional-structure self-learning and thresholding
DE102010061977B4 (de) 2010-11-25 2013-10-17 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Ergänzung mit partiell parallelen Aufnahmeverfahren aufgenommen Magnetresonanz-Daten
WO2012084726A1 (en) * 2010-12-21 2012-06-28 Deutsches Krebsforschungszentrum Method and system for 4d radiological intervention guidance
WO2012085810A2 (en) * 2010-12-22 2012-06-28 Koninklijke Philips Electronics N.V. Rapid parallel reconstruction for arbitrary k-space trajectories
US8781243B2 (en) 2011-01-07 2014-07-15 Wisconsin Alumni Research Foundation Method for constrained reconstruction of high signal-to-noise ratio images
US8427151B2 (en) * 2011-01-14 2013-04-23 National Yang-Ming University Method and apparatus for brain perfusion magnetic resonance images
US8553963B2 (en) * 2011-02-09 2013-10-08 Siemens Medical Solutions Usa, Inc. Digital subtraction angiography (DSA) motion compensated imaging system
JP6114745B2 (ja) 2011-07-12 2017-04-12 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 撮像システムの検出器の校正
JP5699842B2 (ja) * 2011-07-22 2015-04-15 株式会社島津製作所 画質評価方法およびそれを用いたｘ線透視撮影装置
US8620404B2 (en) 2011-07-26 2013-12-31 Wisconsin Alumni Research Foundation System and method of high-frame rate, time-resolved, three-dimensional magnetic resonance angiograpy
US8463012B2 (en) * 2011-10-14 2013-06-11 Siemens Medical Solutions Usa, Inc. System for comparison of medical images
US9566014B2 (en) * 2011-11-09 2017-02-14 Siemens Healthcare Gmbh System for cardiac MR and MR cine imaging using parallel image processing
US9814909B2 (en) 2012-02-06 2017-11-14 Insightec, Ltd. Reference-based motion tracking during non-invasive therapy
EP2662435B1 (en) 2012-05-11 2016-12-28 Eurvest Sanitary composition
US9880247B2 (en) 2012-05-31 2018-01-30 The Medical College Of Wisconsin System and method for magnetic resonance imaging using highly accelerated projection imaging
KR101932725B1 (ko) 2012-09-07 2018-12-26 삼성전자주식회사 대상체의 분할 영상 또는 의료 영상에 가상 자를 표시하는 방법 및 의료 영상 획득 장치, 및 가상 자가 표시된 분할 영상 또는 의료 영상을 디스플레이하는 방법 및 장치
KR101608869B1 (ko) * 2012-09-07 2016-04-04 삼성전자주식회사 대상체의 분할 영상 또는 의료 영상에 가상 자를 표시하는 방법 및 의료 영상 획득 장치, 및 가상 자가 표시된 분할 영상 또는 의료 영상을 디스플레이하는 방법 및 장치
DE102012219920B4 (de) * 2012-10-31 2014-05-22 Siemens Aktiengesellschaft Doppelecho-MR-Bildgebung mit vollständigen und unvollständigen Rohdatensätzen
WO2014180579A1 (en) 2013-05-10 2014-11-13 Eurvest Sa New sanitary composition
KR20150019192A (ko) * 2013-08-13 2015-02-25 현대모비스 주식회사 Avm 시스템을 위한 영상 합성 장치 및 그 방법
US9208588B2 (en) 2013-09-25 2015-12-08 Wisconsin Alumni Research Foundation Fast statistical imaging reconstruction via denoised ordered-subset statistically-penalized algebraic reconstruction technique
KR20150076306A (ko) * 2013-12-26 2015-07-07 한국원자력의학원 최적의 양전자 단층촬영을 위해 최적 에너지 윈도우를 결정하는 장치 및 방법
US10362961B2 (en) * 2014-01-10 2019-07-30 Northshore University Healthsystem System and method for neutral contrast magnetic resonance imaging of calcifications
DE102014203068B4 (de) 2014-02-20 2015-11-26 Siemens Aktiengesellschaft Pseudo-zufällige Erfassung von MR-Daten eines zweidimensionalen Volumenabschnitts
DE102014203113B4 (de) * 2014-02-20 2019-01-10 Siemens Healthcare Gmbh Erzeugung von Bilddaten eines Untersuchungsobjekts mittels eines Magnetresonanztomographen
US9247920B2 (en) 2014-02-27 2016-02-02 General Electric Company System and method for performing bi-plane tomographic acquisitions
JP6136018B2 (ja) * 2014-02-28 2017-05-31 株式会社フローテック・リサーチ 可視化流体の流速計測方法及び流速計測システム
US10456116B2 (en) 2014-09-30 2019-10-29 Siemens Medical Solutions Usa, Inc. Shadow suppression in ultrasound imaging
US9606245B1 (en) 2015-03-24 2017-03-28 The Research Foundation For The State University Of New York Autonomous gamma, X-ray, and particle detector
DE102015208905A1 (de) 2015-05-13 2016-11-17 Siemens Healthcare Gmbh Verfahren zum Erzeugen eines Bildes
US10524689B2 (en) * 2016-05-19 2020-01-07 Duke University Self-gated interleaved radial MRI for abdominothoracic imaging
US10226221B2 (en) 2016-08-30 2019-03-12 Toshiba Medical Systems Corporation Medical image processing method and apparatus
US10134155B2 (en) * 2016-11-21 2018-11-20 Elekta Limited Systems and methods for real-time imaging
KR102163337B1 (ko) * 2018-01-12 2020-10-08 한국과학기술원 언더샘플링 방향 변화를 통한 다중영상획득 mri의 고속화 방법 및 이를 위한 장치

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0630927A (ja) * 1992-07-17 1994-02-08 Yokogawa Medical Syst Ltd 放射線ｃｔの高速逆投影演算を行う画像再構成方法と画像再構成装置
US5603322A (en) * 1993-01-19 1997-02-18 Mcw Research Foundation Time course MRI imaging of brain functions
EP0627633A1 (en) * 1993-05-18 1994-12-07 Koninklijke Philips Electronics N.V. Method and apparatus for magnetic resonance imaging
DE4319539A1 (de) * 1993-06-12 1994-12-15 Philips Patentverwaltung Verfahren zur Erzeugung einer MR-Bildfolge und Anordnung zur Durchführung des Verfahrens
DE4436688A1 (de) * 1994-10-13 1996-04-25 Siemens Ag Computertomograph
DE19647537A1 (de) * 1996-11-16 1998-05-20 Philips Patentverwaltung MR-Verfahren zur Reduzierung von Bewegungsartefakten und Anordnung zur Durchführung des Verfahrens
DE69824230T2 (de) * 1997-04-08 2005-07-07 Koninklijke Philips Electronics N.V. Verarbeitungssystem einer verrauschten Bildsequenz und medizinisches Untersuchungsgerät mit einem solchen System
ATE504007T1 (de) * 1997-12-12 2011-04-15 Wisconsin Alumni Res Found Schnelle magnetresonanzbildgebung unter verwendung radialer projektionen
US6487435B2 (en) * 1998-04-10 2002-11-26 Wisconsin Alumni Research Foundation Magnetic resonance angiography using undersampled 3D projection imaging
JPH11299769A (ja) * 1998-04-23 1999-11-02 Hitachi Medical Corp Ｘ線ｃｔ装置
JP2000116647A (ja) * 1998-10-16 2000-04-25 Hitachi Medical Corp Ｘ線ｃｔ装置
US6490472B1 (en) 1999-09-03 2002-12-03 The Mcw Research Foundation, Inc. MRI system and method for producing an index indicative of alzheimer's disease
US6324245B1 (en) * 2000-10-17 2001-11-27 Siemens Corporation Research, Inc. Method and apparatus for identifying and correcting image inaccuracies caused by simplified processing of masked cone beam projection data
EP1277439A4 (en) 2001-02-28 2007-02-14 Mitsubishi Heavy Ind Ltd TOMODENSITOMETRIC APPARATUS EMITTING X-RAYS FROM A MULTI-RADIATION SOURCE
DE10119660B4 (de) 2001-04-20 2006-01-05 Siemens Ag Verfahren zur schnellen Gewinnung eines Magnetresonanzbildes
WO2003042711A1 (en) 2001-11-12 2003-05-22 Wisconsin Alumni Research Foundation Three-dimensional phase contrast magnetic resonance imaging using interleaved projection-reconstruction data
GB0321895D0 (en) * 2003-09-18 2003-10-22 Inst Of Cancer Res The A method and apparatus for image reconstruction
CN1910469A (zh) * 2004-01-14 2007-02-07 皇家飞利浦电子股份有限公司 规则化的可变密度感测
EP1904977B1 (en) * 2005-07-08 2010-12-15 Wisconsin Alumni Research Foundation Backprojection reconstruction method for ct imaging

Also Published As

Publication number Publication date
US7519412B2 (en) 2009-04-14
JP5047960B2 (ja) 2012-10-10
EP1902424A2 (en) 2008-03-26
JP2009500116A (ja) 2009-01-08
JP5167125B2 (ja) 2013-03-21
US7917189B2 (en) 2011-03-29
EP1902424B1 (en) 2009-11-11
DE602006010388D1 (de) 2009-12-24
WO2007008528A3 (en) 2007-04-19
WO2007008532A1 (en) 2007-01-18
ATE448531T1 (de) 2009-11-15
EP1902328A1 (en) 2008-03-26
JP2009500114A (ja) 2009-01-08
US20070010731A1 (en) 2007-01-11
US20070038073A1 (en) 2007-02-15
WO2007008528A2 (en) 2007-01-18
EP1902328B1 (en) 2015-11-11

Similar Documents

Publication Publication Date Title
HK1124666A1 (en) Constrained backprojection reconstruction method for undersampled mri
ATE492006T1 (de) Rückprojektions-rekonstruktionsverfahren für ct- bildgebung
JP2011125699A5 (xx)
EP1959397A3 (en) Iterative highly constrained image reconstruction method
WO2009097580A3 (en) Dose reduction and image enhancement in tomography through the utilization of the object's surroundings as dynamic constraints
WO2012047771A3 (en) Multi-dimensional iterative phase-cycled reconstruction for mri images
WO2008118238A3 (en) Contrast enhanced mra with highly constrained backprojection reconstruction using phase contrast composite image
ATE460715T1 (de) Dreidimensionales time-of-flight-pet mit grobwinkeligem und scheiben-rebinning
WO2004042661A3 (en) Artifact elimination in time-gated anatomical imaging
JP2012520115A5 (xx)
RU2014125210A (ru) Способ и устройство для визуализации мягких тканей тела с использованием проекции рентгеновского излучения и оптической томографии
CN104569880B (zh) 一种磁共振快速成像方法及系统
EP2410491A3 (en) System and method for reconstruction of X-ray images
WO2004032740A3 (en) Kinematic and deformation analysis of 4-d coronary arterial trees reconstructed from cine angiograms
ATE418078T1 (de) Hintergrund-unterdrückungsverfahren für zeitlich aufgelöste magnetresonanz-angiographie
EP2358269A4 (en) IMAGE PROCESSING AND INSTRUMENT CONTROL FOR MEDICAL PROCEDURES
ATE336761T1 (de) Verfahren zur rekonstruktion dreidimensionaler objekte
WO2012170722A3 (en) Enhanced optical angiography using intensity contrast and phase contrast imaging methods
WO2008064367A3 (en) Method and system for tomographic reconstruction in medical imaging using the circle and line trajectory
WO2007140094A3 (en) Dynamic computed tomography imaging
WO2006029336A3 (en) Projection gating of x-ray ct scan
WO2014087270A3 (en) Local artifact reduction with insignificant side effects
EP2843622A3 (en) Apparatus and method for reconstructing images by selecting image reconstruction mode
DE60311249D1 (de) Organspezifische rückprojektion
EP1975881A3 (en) Method and system for reconstructing a medical image of an object