IL164840A0 - Methods and apparatus for artifact reduction in computed tomography imaging systems - Google Patents

Methods and apparatus for artifact reduction in computed tomography imaging systems

Info

Publication number
IL164840A0
IL164840A0 IL16484004A IL16484004A IL164840A0 IL 164840 A0 IL164840 A0 IL 164840A0 IL 16484004 A IL16484004 A IL 16484004A IL 16484004 A IL16484004 A IL 16484004A IL 164840 A0 IL164840 A0 IL 164840A0
Authority
IL
Israel
Prior art keywords
methods
computed tomography
imaging systems
tomography imaging
artifact reduction
Prior art date
Application number
IL16484004A
Other languages
English (en)
Original Assignee
Ge Med Sys Global Tech Co Llc
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 Ge Med Sys Global Tech Co Llc filed Critical Ge Med Sys Global Tech Co Llc
Publication of IL164840A0 publication Critical patent/IL164840A0/xx

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]
    • 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
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • 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
    • 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
    • A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms
    • 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

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
IL16484004A 2003-11-11 2004-10-26 Methods and apparatus for artifact reduction in computed tomography imaging systems IL164840A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/705,357 US6944260B2 (en) 2003-11-11 2003-11-11 Methods and apparatus for artifact reduction in computed tomography imaging systems

Publications (1)

Publication Number Publication Date
IL164840A0 true IL164840A0 (en) 2005-12-18

Family

ID=34552346

Family Applications (1)

Application Number Title Priority Date Filing Date
IL16484004A IL164840A0 (en) 2003-11-11 2004-10-26 Methods and apparatus for artifact reduction in computed tomography imaging systems

Country Status (6)

Country Link
US (1) US6944260B2 (ja)
JP (1) JP4508836B2 (ja)
CN (1) CN1617171A (ja)
DE (1) DE102004054405A1 (ja)
IL (1) IL164840A0 (ja)
NL (1) NL1027351C2 (ja)

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US7756315B2 (en) * 2005-11-23 2010-07-13 General Electric Company Method and apparatus for field-of-view expansion of volumetric CT imaging
US8218720B2 (en) * 2007-03-12 2012-07-10 Varian Medical Systems, Inc. Method and apparatus to facilitate reconstructing an image using fan-beam data
DE102007026115B4 (de) * 2007-06-05 2017-10-12 Siemens Healthcare Gmbh Verfahren zum Erzeugen einer 3D-Rekonstruktion eines Körpers
US8363917B2 (en) * 2009-10-14 2013-01-29 General Electric Company System and method of image artifact reduction in fast kVp switching CT
US8731266B2 (en) * 2009-12-17 2014-05-20 General Electric Company Method and system for correcting artifacts in image reconstruction
JP5572521B2 (ja) * 2010-10-26 2014-08-13 株式会社日立メディコ Ｘ線ｃｔ装置、ｘ線ｃｔ装置の画像再構成方法
CN102727230B (zh) * 2011-04-02 2014-06-04 沈阳东软医疗系统有限公司 Ct扫描图像重建方法及装置
US10670740B2 (en) 2012-02-14 2020-06-02 American Science And Engineering, Inc. Spectral discrimination using wavelength-shifting fiber-coupled scintillation detectors
US9508164B2 (en) 2013-01-23 2016-11-29 Czestochowa University Of Technology Fast iterative image reconstruction method for 3D computed tomography
DE102013202313A1 (de) * 2013-02-13 2014-08-14 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Korrektur von Bewegungsartefakten bei einem computertomographischen Bild
JP6035266B2 (ja) 2014-02-24 2016-11-30 株式会社吉田製作所 Ｘ線撮影装置
US9986983B2 (en) 2014-10-31 2018-06-05 Covidien Lp Computed tomography enhanced fluoroscopic system, device, and method of utilizing the same
PL3271709T3 (pl) 2015-03-20 2023-02-20 Rapiscan Systems, Inc. Ręczny przenośny system kontroli rozpraszania wstecznego
US10716525B2 (en) 2015-08-06 2020-07-21 Covidien Lp System and method for navigating to target and performing procedure on target utilizing fluoroscopic-based local three dimensional volume reconstruction
US10674982B2 (en) 2015-08-06 2020-06-09 Covidien Lp System and method for local three dimensional volume reconstruction using a standard fluoroscope
US10702226B2 (en) 2015-08-06 2020-07-07 Covidien Lp System and method for local three dimensional volume reconstruction using a standard fluoroscope
US11172895B2 (en) 2015-12-07 2021-11-16 Covidien Lp Visualization, navigation, and planning with electromagnetic navigation bronchoscopy and cone beam computed tomography integrated
US11051886B2 (en) 2016-09-27 2021-07-06 Covidien Lp Systems and methods for performing a surgical navigation procedure
US11219425B2 (en) 2016-12-21 2022-01-11 Koninklijke Philips N.V. Redundancy-weighted image reconstruction for short-scan X-ray tomography with an off-center X-ray detector
CN110337673B (zh) * 2017-01-05 2023-10-20 通用电气公司 基于深度学习的在断层摄影重建中估计数据的方法和系统
US10699448B2 (en) 2017-06-29 2020-06-30 Covidien Lp System and method for identifying, marking and navigating to a target using real time two dimensional fluoroscopic data
EP3694412A4 (en) 2017-10-10 2021-08-18 Covidien LP SYSTEM AND METHOD FOR IDENTIFYING AND MARKING A TARGET IN A THREE-DIMENSIONAL FLUOROSCOPIC RECONSTRUCTION
US10905498B2 (en) 2018-02-08 2021-02-02 Covidien Lp System and method for catheter detection in fluoroscopic images and updating displayed position of catheter
WO2019245636A1 (en) 2018-06-20 2019-12-26 American Science And Engineering, Inc. Wavelength-shifting sheet-coupled scintillation detectors
CN109961489B (zh) * 2019-03-29 2023-05-16 上海联影医疗科技股份有限公司 Ct图像重建方法和装置
JP7340632B2 (ja) 2019-06-26 2023-09-07 コー・ヤング・テクノロジー・インコーポレーテッド 複数の光源を用いたコンピュータ断層撮影装置及びコンピュータ断層撮影方法
CN111476860B (zh) * 2020-04-22 2023-10-24 上海联影医疗科技股份有限公司 图像重建方法、装置、计算机设备和存储介质
US11340361B1 (en) 2020-11-23 2022-05-24 American Science And Engineering, Inc. Wireless transmission detector panel for an X-ray scanner
CN114712728A (zh) * 2022-03-31 2022-07-08 西安大医集团股份有限公司 投影参数修正方法及计算机设备

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US6529574B1 (en) * 2001-07-18 2003-03-04 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for FOV-dependent aliasing artifact reduction
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US6570951B1 (en) * 2002-05-14 2003-05-27 Ge Medical Systems Global Technology Company, Llc Image space compensation scheme for reducing artifacts

Also Published As

Publication number Publication date
DE102004054405A1 (de) 2005-07-07
CN1617171A (zh) 2005-05-18
US6944260B2 (en) 2005-09-13
JP2005144167A (ja) 2005-06-09
NL1027351C2 (nl) 2006-04-06
US20050100124A1 (en) 2005-05-12
JP4508836B2 (ja) 2010-07-21
NL1027351A1 (nl) 2005-05-12

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