[go: up one dir, main page]

IL139633A - Method and device for reducing foreign bodies in reconstructed images from image data obtained by a computerized tomography system - Google Patents

Method and device for reducing foreign bodies in reconstructed images from image data obtained by a computerized tomography system

Info

Publication number
IL139633A
IL139633A IL13963300A IL13963300A IL139633A IL 139633 A IL139633 A IL 139633A IL 13963300 A IL13963300 A IL 13963300A IL 13963300 A IL13963300 A IL 13963300A IL 139633 A IL139633 A IL 139633A
Authority
IL
Israel
Prior art keywords
gantry
computer
patient
detector
cardiac cycle
Prior art date
Application number
IL13963300A
Other languages
English (en)
Hebrew (he)
Other versions
IL139633A0 (en
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IL139633A0 publication Critical patent/IL139633A0/xx
Publication of IL139633A publication Critical patent/IL139633A/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/42Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4275Arrangements for detecting radiation specially adapted for radiation diagnosis using a detector unit almost surrounding the patient, e.g. more than 180°
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
IL13963300A 1999-11-23 2000-11-13 Method and device for reducing foreign bodies in reconstructed images from image data obtained by a computerized tomography system IL139633A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/448,352 US6353653B1 (en) 1999-11-23 1999-11-23 Method and apparatus for reducing artifacts in images reconstructed from image data acquired by a computed tomography system

Publications (2)

Publication Number Publication Date
IL139633A0 IL139633A0 (en) 2002-02-10
IL139633A true IL139633A (en) 2004-03-28

Family

ID=23779970

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13963300A IL139633A (en) 1999-11-23 2000-11-13 Method and device for reducing foreign bodies in reconstructed images from image data obtained by a computerized tomography system

Country Status (4)

Country Link
US (1) US6353653B1 (de)
JP (1) JP2001190544A (de)
DE (1) DE10057812A1 (de)
IL (1) IL139633A (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6793496B2 (en) * 1999-04-15 2004-09-21 General Electric Company Mathematical model and a method and apparatus for utilizing the model
US6522712B1 (en) * 1999-11-19 2003-02-18 General Electric Company Reconstruction of computed tomographic images using interpolation between projection views
US6980681B1 (en) * 2000-04-24 2005-12-27 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for helical reconstruction for multislice CT scan
US6539074B1 (en) * 2000-08-25 2003-03-25 General Electric Company Reconstruction of multislice tomographic images from four-dimensional data
WO2002026135A1 (en) * 2000-09-29 2002-04-04 Ge Medical Systems Global Technology Company, Llc Phase-driven multisector reconstruction for multislice helical ct imaging
US7006862B2 (en) * 2001-07-17 2006-02-28 Accuimage Diagnostics Corp. Graphical user interfaces and methods for retrospectively gating a set of images
US7142703B2 (en) * 2001-07-17 2006-11-28 Cedara Software (Usa) Limited Methods and software for self-gating a set of images
US7209779B2 (en) 2001-07-17 2007-04-24 Accuimage Diagnostics Corp. Methods and software for retrospectively gating a set of images
US20040236550A1 (en) * 2002-02-28 2004-11-25 Edic Peter Michael Mathematical model and a method and apparatus for utilizing the model
JP3639826B2 (ja) * 2002-04-03 2005-04-20 キヤノン株式会社 放射線撮影装置、プログラム、コンピュータ可読記憶媒体、及び放射線撮影システム
FR2839894A1 (fr) * 2002-05-21 2003-11-28 Chabunda Christophe Mwanza Procedes, appareils de cyclotherapie image-guidee et mode d'obtention d'images scanographiques diagnostiques instantanees pour la planification et la dosimetrie en ligne
US6904118B2 (en) 2002-07-23 2005-06-07 General Electric Company Method and apparatus for generating a density map using dual-energy CT
US7813473B2 (en) 2002-07-23 2010-10-12 General Electric Company Method and apparatus for generating temporally interpolated projections
US20040019275A1 (en) * 2002-07-23 2004-01-29 Maria Iatrou Method and apparatus for positioning a CT reconstruction window
US6956926B2 (en) * 2002-07-23 2005-10-18 General Electric Company Method and apparatus for selecting a reconstruction projection set
US6888914B2 (en) * 2002-11-26 2005-05-03 General Electric Company Methods and apparatus for computing volumetric perfusion
DE602004003576T2 (de) * 2003-01-21 2007-09-20 Elekta Ab (Publ) Abbildung interner strukturen
JP4731476B2 (ja) * 2003-07-16 2011-07-27 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 ボリュメトリックデータからの動くオブジェクトの画像の再構成
DE10336278A1 (de) * 2003-08-07 2005-03-10 Siemens Ag Verfahren und Vorrichtung zur Abbildung eines Organs
US7639774B2 (en) * 2003-12-23 2009-12-29 General Electric Company Method and apparatus for employing multiple axial-sources
JP2005218693A (ja) * 2004-02-06 2005-08-18 Ge Medical Systems Global Technology Co Llc 画像再構成方法およびx線ct装置
US6999550B2 (en) * 2004-02-09 2006-02-14 Ge Medical Systems Global Technology Method and apparatus for obtaining data for reconstructing images of an object
US7333587B2 (en) * 2004-02-27 2008-02-19 General Electric Company Method and system for imaging using multiple offset X-ray emission points
US20070183640A1 (en) * 2004-03-25 2007-08-09 Koninklijke Philips Electronics N.V. Gated cone-beam computed tomography reconstruction with motion compensation
JP2006185038A (ja) * 2004-12-27 2006-07-13 Ge Medical Systems Global Technology Co Llc 4次元ラベリング装置、n次元ラベリング装置、4次元空間フィルタ装置およびn次元空間フィルタ装置
JP5389436B2 (ja) * 2005-03-17 2014-01-15 コーニンクレッカ フィリップス エヌ ヴェ 心臓画像の反復的再構成のための方法及びデバイス
DE102005016472B4 (de) * 2005-04-08 2011-04-07 Siemens Ag Betriebsverfahren für einen Rechner
US7227923B2 (en) * 2005-04-18 2007-06-05 General Electric Company Method and system for CT imaging using a distributed X-ray source and interpolation based reconstruction
WO2006119623A1 (en) * 2005-05-09 2006-11-16 Robarts Research Institute System and method for generating dynamic ct images of a target within a subject that experiences motion
JP4639143B2 (ja) * 2005-11-30 2011-02-23 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 X線ct装置およびその制御方法
EP1834585B1 (de) * 2006-03-15 2015-09-23 Kabushiki Kaisha Toshiba Röntgen-CT-Gerät, Verfahren zum Ändern des Helical Pitch, Bildrekonstruktionsverarbeitungsvorrichtung, Bildrekonstruktionsverarbeitungsverfahren und Bildrekonstruktionsverarbeitungsprogramm
SE529961C2 (sv) * 2006-03-21 2008-01-15 Xcounter Ab Avbildningsanordning och metod för att erhålla tidsupplöst avbildningsdata av ett objekt
US7835486B2 (en) * 2006-08-30 2010-11-16 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
US20080056432A1 (en) * 2006-08-30 2008-03-06 General Electric Company Reconstruction of CT projection data
US7706499B2 (en) * 2006-08-30 2010-04-27 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
US7616731B2 (en) * 2006-08-30 2009-11-10 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
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
JP4342588B2 (ja) * 2008-03-07 2009-10-14 アロカ株式会社 X線ct装置、および、その制御プログラム
EP2633496B1 (de) * 2010-10-27 2023-01-11 Koninklijke Philips N.V. Erkennung und minderung von bildartefakten
KR102205353B1 (ko) * 2013-09-26 2021-01-20 삼성전자주식회사 엑스선 촬영 장치 및 그 제어 방법
CN104510486B (zh) * 2013-09-30 2021-04-20 Ge医疗系统环球技术有限公司 计算机化断层扫描设备及其机架旋转控制装置和方法
US10475216B2 (en) 2018-02-26 2019-11-12 General Electric Company Imaging system and method using learned phase acquisition to acquire images

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19622075C2 (de) * 1996-05-31 1999-10-14 Siemens Ag Verfahren und Gerät zur radiologischen Untersuchung von Herzphasen eines Patienten
US6084936A (en) 1998-07-10 2000-07-04 General Electric Company Almost-everywhere extrapolation from cone-beam data

Also Published As

Publication number Publication date
IL139633A0 (en) 2002-02-10
DE10057812A1 (de) 2001-05-31
US6353653B1 (en) 2002-03-05
JP2001190544A (ja) 2001-07-17

Similar Documents

Publication Publication Date Title
US6353653B1 (en) Method and apparatus for reducing artifacts in images reconstructed from image data acquired by a computed tomography system
US6370217B1 (en) Volumetric computed tomography system for cardiac imaging
EP1049406B1 (de) Herzsignal-triggerung eines computertomographen
US7054475B2 (en) Apparatus and method for volumetric reconstruction of a cyclically moving object
JP2529949B2 (ja) 同期画像再構成装置
US6434215B1 (en) EKG-less cardiac image reconstruction
US20050238135A1 (en) Method for tracking motion phase of an object for correcting organ motion artifacts in X-ray CT systems
JPH11137541A (ja) コンピュータトモグラフ
EP1013225A1 (de) Herzfrequenz synchronisierter Computer Tomograph
JP2000083944A (ja) 心臓用ctシステム
JP2002355241A (ja) Ct投影データを用いて運動ゲ−ティングするための方法及び装置
JP2010510856A (ja) Ecgゲーテッド・コンピュータ・トモグラフィにおける再構成ウィンドウ適合
JP2004121840A (ja) 周期的に運動する器官のct画像形成方法およびこの方法を実施するためのct装置
US6393091B1 (en) Methods and apparatus for non-uniform temporal cardiac imaging
JP2000107174A (ja) 像再構成方法及び測定デ―タ取得方法
EP1330186B1 (de) Verfahren und vorrichtung zur 3d-rotations-röntgenbildgebung
EP1095619A1 (de) Hybride Rekonstruktion für Hochschrittabstand-, Mehrschnitt und Wendelherzbildgebung
EP1769462A1 (de) Artifaktfreies ct-angiogramm
US9069063B2 (en) Method for recording medical images of a moving object
WO2006029336A2 (en) Projection gating of x-ray ct scan
JP2001161680A (ja) 同期心臓走査の間にx線照射量を制御するための方法及び装置
JP2005137390A (ja) Ct画像生成方法およびx線ct装置
JP2005205218A (ja) 検査対象の断層撮影による断層画像の作成方法およびコンピュータ断層撮影装置
JP2000254116A (ja) X線ct装置
JP2001353143A (ja) 断層画像生成方法、x線ct画像生成方法およびx線ct装置

Legal Events

Date Code Title Description
MM9K Patent not in force due to non-payment of renewal fees