DE60024907D1 - Verfahren und Vorrichtung zur Kompensation von Artefakten mittels veränderlicher Winkelabtastung - Google Patents

Verfahren und Vorrichtung zur Kompensation von Artefakten mittels veränderlicher Winkelabtastung

Info

Publication number
DE60024907D1
DE60024907D1 DE60024907T DE60024907T DE60024907D1 DE 60024907 D1 DE60024907 D1 DE 60024907D1 DE 60024907 T DE60024907 T DE 60024907T DE 60024907 T DE60024907 T DE 60024907T DE 60024907 D1 DE60024907 D1 DE 60024907D1
Authority
DE
Germany
Prior art keywords
artefacts
compensating
variable angle
angle scanning
scanning
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.)
Expired - Lifetime
Application number
DE60024907T
Other languages
English (en)
Other versions
DE60024907T2 (de
Inventor
Jiang Hsieh
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE60024907D1 publication Critical patent/DE60024907D1/de
Application granted granted Critical
Publication of DE60024907T2 publication Critical patent/DE60024907T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE60024907T 1999-03-19 2000-03-15 Verfahren und Vorrichtung zur Kompensation von Artefakten mittels veränderlicher Winkelabtastung Expired - Lifetime DE60024907T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US272708 1988-11-17
US09/272,708 US6233308B1 (en) 1999-03-19 1999-03-19 Methods and apparatus for artifact compensation with variable angular sampling

Publications (2)

Publication Number Publication Date
DE60024907D1 true DE60024907D1 (de) 2006-01-26
DE60024907T2 DE60024907T2 (de) 2006-08-24

Family

ID=23040940

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60024907T Expired - Lifetime DE60024907T2 (de) 1999-03-19 2000-03-15 Verfahren und Vorrichtung zur Kompensation von Artefakten mittels veränderlicher Winkelabtastung

Country Status (5)

Country Link
US (1) US6233308B1 (de)
EP (1) EP1038500B1 (de)
JP (1) JP4424709B2 (de)
DE (1) DE60024907T2 (de)
IL (1) IL134964A0 (de)

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US6463118B2 (en) 2000-12-29 2002-10-08 Ge Medical Systems Global Technology Company, Llc Computed tomography (CT) weighting for high quality image recontruction
US6373920B1 (en) 2001-03-16 2002-04-16 Ge Medical Systems Global Technology Company, Llc Method and apparatus for acquiring CT perfusion images
US6480560B2 (en) 2001-03-16 2002-11-12 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for motion gating using CT projection data
US6421411B1 (en) 2001-05-10 2002-07-16 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for helical image artifact reduction
US6408042B1 (en) 2001-06-15 2002-06-18 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for cone beam artifact suppression in scanning imaging systems
US6449330B1 (en) 2001-06-28 2002-09-10 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for artifact reduction in computed tomographic imaging
US6529576B2 (en) 2001-06-29 2003-03-04 Ge Medical Systems Global Technology Company, Llc Method and apparatus for pitch-adaptive reconstruction in multislice helical computed tomographic systems
US6529574B1 (en) 2001-07-18 2003-03-04 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for FOV-dependent aliasing artifact reduction
DE10242910A1 (de) * 2001-09-17 2003-04-24 Ge Med Sys Global Tech Co Llc Bildrekonstruktionsverfahren und Röntgen-CT-Gerät
US6678346B2 (en) * 2001-10-11 2004-01-13 Ge Medical Systems Global Technology Company Llc Cone-beam CT scanner with image reconstruction using multiple sub-images
US6404842B1 (en) 2001-10-15 2002-06-11 Ge Medical Systems Global Technology Company, Llc Method and apparatus for image reconstruction in twin helical computed tomographic systems
US6654442B2 (en) * 2002-03-29 2003-11-25 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for weighting projection data
US6587537B1 (en) 2002-04-01 2003-07-01 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for multi-slice image reconstruction
US6868138B2 (en) 2002-05-29 2005-03-15 The Regents Of The University Of Michigan Method, processor and computed tomography (CT) machine for generating images utilizing high and low sensitivity data collected from a flat panel detector having an extended dynamic range
US6775347B2 (en) * 2002-05-29 2004-08-10 Ge Medical Systems Global Technology Company Methods and apparatus for reconstructing an image of an object
KR100397553B1 (ko) * 2002-06-20 2003-09-13 (주)메비시스 경사진 연속 단면영상의 볼륨데이터 생성방법
US7813473B2 (en) * 2002-07-23 2010-10-12 General Electric Company Method and apparatus for generating temporally interpolated projections
US7945021B2 (en) * 2002-12-18 2011-05-17 Varian Medical Systems, Inc. Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager
WO2004098411A1 (en) * 2003-05-06 2004-11-18 Philips Intellectual Property & Standards Gmbh Method and apparatus for triggering image acquisition in a c-arm system by a rotary encoder
JP4393105B2 (ja) * 2003-05-14 2010-01-06 キヤノン株式会社 放射線撮像装置及びその作動方法
DE10336278A1 (de) * 2003-08-07 2005-03-10 Siemens Ag Verfahren und Vorrichtung zur Abbildung eines Organs
US6944260B2 (en) * 2003-11-11 2005-09-13 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for artifact reduction in computed tomography imaging systems
US7639774B2 (en) * 2003-12-23 2009-12-29 General Electric Company Method and apparatus for employing multiple axial-sources
JP4799000B2 (ja) * 2004-01-22 2011-10-19 キヤノン株式会社 Ｘ線撮影装置及びｘ線撮影方法
SE528366C2 (sv) * 2004-02-13 2006-10-31 Sectra Mamea Ab Metod och anordning avseende röntgenbildtagning
US7333587B2 (en) 2004-02-27 2008-02-19 General Electric Company Method and system for imaging using multiple offset X-ray emission points
US20050201605A1 (en) * 2004-03-11 2005-09-15 Jianying Li Methods and apparatus for CT smoothing to reduce artifacts
US7440602B2 (en) * 2004-11-17 2008-10-21 General Electric Company Methods, apparatus, and software to compensate for failed or degraded components
US7359478B2 (en) * 2004-11-18 2008-04-15 Toshiba Medical Systems Corporation Method for restoring truncated helical cone-beam computed tomography data
US7231014B2 (en) * 2005-02-14 2007-06-12 Varian Medical Systems Technologies, Inc. Multiple mode flat panel X-ray imaging system
DE102005055423A1 (de) * 2005-11-21 2007-05-31 Yxlon International X-Ray Gmbh CT-Verfahren zur Aufnahme von Projektionsdaten
US7653230B2 (en) * 2006-02-21 2010-01-26 General Electric Company Methods and systems for image reconstruction using low noise kernel
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
US7616731B2 (en) * 2006-08-30 2009-11-10 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
US7706499B2 (en) * 2006-08-30 2010-04-27 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
US7817773B2 (en) * 2007-01-05 2010-10-19 Dexela Limited Variable speed three-dimensional imaging system
EP2370955A1 (de) * 2008-12-05 2011-10-05 Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH) Rekonstruieren eines tomografischen bildes mit verringerten artefakten
US8363917B2 (en) * 2009-10-14 2013-01-29 General Electric Company System and method of image artifact reduction in fast kVp switching CT
US9848835B2 (en) * 2010-08-16 2017-12-26 Varian Medical Systems International Ag Variable-speed computed tomography scanning
JP2013081527A (ja) * 2011-10-06 2013-05-09 Toshiba Corp Ｘ線診断装置
DE102012200715B4 (de) * 2012-01-19 2014-06-05 Siemens Aktiengesellschaft Verfahren zur Aufnahme und Darstellung wenigstens zweier 3-D-Subtraktionsbilddatensätze sowie C-Bogen-Röntgenvorrichtung hierfür
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
CN107981877B (zh) * 2016-10-27 2021-01-05 北京东软医疗设备有限公司 扫描设备的采样方法和采样装置
US10722188B2 (en) * 2017-05-18 2020-07-28 Canon Medical Systems Corporation X-ray CT apparatus
CN108226195B (zh) * 2017-12-28 2023-10-13 清华大学 Ct检查系统和ct成像方法
CN108120729B (zh) * 2017-12-28 2024-04-02 清华大学 Ct检查系统和ct成像方法
CN109833055B (zh) * 2019-01-07 2023-07-04 东软医疗系统股份有限公司 图像重建方法和装置

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Also Published As

Publication number Publication date
JP4424709B2 (ja) 2010-03-03
EP1038500A1 (de) 2000-09-27
IL134964A0 (en) 2001-05-20
DE60024907T2 (de) 2006-08-24
US6233308B1 (en) 2001-05-15
EP1038500B1 (de) 2005-12-21
JP2000271112A (ja) 2000-10-03

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