IL71092A - Method for reducing image artifacts due to projection measurement inconsistencies - Google Patents

Method for reducing image artifacts due to projection measurement inconsistencies

Info

Publication number
IL71092A
IL71092A IL71092A IL7109284A IL71092A IL 71092 A IL71092 A IL 71092A IL 71092 A IL71092 A IL 71092A IL 7109284 A IL7109284 A IL 7109284A IL 71092 A IL71092 A IL 71092A
Authority
IL
Israel
Prior art keywords
image artifacts
artifacts due
reducing image
projection measurement
measurement inconsistencies
Prior art date
Application number
IL71092A
Other languages
English (en)
Other versions
IL71092A0 (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 IL71092A0 publication Critical patent/IL71092A0/xx
Publication of IL71092A publication Critical patent/IL71092A/xx

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/003Reconstruction from projections, e.g. tomography
    • G06T11/005Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • 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]
    • A61B6/037Emission tomography
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/412Dynamic
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00X-ray or gamma ray systems or devices
    • Y10S378/901Computer tomography program or processor

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Nuclear Medicine (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
IL71092A 1983-05-02 1984-02-28 Method for reducing image artifacts due to projection measurement inconsistencies IL71092A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/490,604 US4580219A (en) 1983-05-02 1983-05-02 Method for reducing image artifacts due to projection measurement inconsistencies

Publications (2)

Publication Number Publication Date
IL71092A0 IL71092A0 (en) 1984-05-31
IL71092A true IL71092A (en) 1988-11-30

Family

ID=23948750

Family Applications (1)

Application Number Title Priority Date Filing Date
IL71092A IL71092A (en) 1983-05-02 1984-02-28 Method for reducing image artifacts due to projection measurement inconsistencies

Country Status (5)

Country Link
US (1) US4580219A (ja)
EP (1) EP0124015B1 (ja)
JP (1) JPS605127A (ja)
DE (1) DE3484026D1 (ja)
IL (1) IL71092A (ja)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60111640A (ja) * 1983-11-21 1985-06-18 横河メディカルシステム株式会社 画像再構成装置
GB2169180B (en) * 1984-12-28 1988-06-15 Toshiba Kk Ct apparatus and operating method therefor
US4852132A (en) * 1985-08-30 1989-07-25 Yokogawa Medical Systems Method of collecting data for x-ray tomograph
GB2181330B (en) * 1985-09-26 1990-05-09 Toshiba Kk X-ray inspection apparatus
US4858128A (en) * 1986-08-11 1989-08-15 General Electric Company View-to-view image correction for object motion
JPS63255042A (ja) * 1987-04-10 1988-10-21 株式会社東芝 Ct装置におけるデ−タ収集方式
US4879652A (en) * 1987-09-04 1989-11-07 General Electric Company Method for producing three-dimensional images from nuclear data
US5544212A (en) * 1988-10-20 1996-08-06 Picker International, Inc. Spiral CT using an integrating interpolator
US4994965A (en) * 1988-11-23 1991-02-19 General Electric Company Method for reducing motion induced image artifacts in projection imaging
JPH0616099B2 (ja) * 1989-02-07 1994-03-02 浜松ホトニクス株式会社 Ct装置におけるデータ補正装置
US5128864A (en) * 1989-08-09 1992-07-07 W. L. Systems, Inc. Method for computing tomographic scans
US5051903A (en) * 1989-08-14 1991-09-24 General Electric Company Method and apparatus for predicting values of a varying periodic phenomenon
US5233518A (en) * 1989-11-13 1993-08-03 General Electric Company Extrapolative reconstruction method for helical scanning
US5170346A (en) * 1989-11-22 1992-12-08 General Electric Company Method for reducing patient translation artifacts in tomographic imaging
JP3089050B2 (ja) * 1991-06-19 2000-09-18 株式会社東芝 Spect画像の再構成方法
US5273041A (en) * 1992-04-30 1993-12-28 General Electric Company Fiber optic photoplethysmograph for a magnetic resonance imaging system
DE4334937A1 (de) * 1993-10-13 1995-10-05 Siemens Ag Computertomograph
US5406479A (en) * 1993-12-20 1995-04-11 Imatron, Inc. Method for rebinning and for correcting cone beam error in a fan beam computed tomographic scanner system
US5491735A (en) * 1994-12-22 1996-02-13 General Electric Company Image reconstruction apparatus and method for helical scanning
US5513236A (en) * 1995-01-23 1996-04-30 General Electric Company Image reconstruction for a CT system implementing a dual fan beam helical scan
US5575286A (en) * 1995-03-31 1996-11-19 Siemens Medical Systems, Inc. Method and apparatus for generating large compound ultrasound image
JP3583503B2 (ja) * 1995-04-13 2004-11-04 株式会社日立メディコ 医療用診断ct装置
US5541970A (en) * 1995-05-09 1996-07-30 General Electric Company Image reconstruction for a CT system implementing a four fan beam helical scan
US6065475A (en) * 1995-06-08 2000-05-23 Siemens Corporate Research, Inc. Automatic localization of the heart from a reconstructed volume and automatic selection of a most suitable representative transverse slice for defining a left ventricle oblique axis in myocardial spect study
US5546439A (en) * 1995-11-02 1996-08-13 General Electric Company Systems, methods and apparatus for incrementally reconstructing overlapped images in a CT system implementing a helical scan
US5559847A (en) * 1995-12-06 1996-09-24 General Electric Company Systems, methods and apparatus for reconstructing images in a CT system implementing a helical scan
US5606585A (en) * 1995-12-21 1997-02-25 General Electric Company Methods and apparatus for multislice helical image reconstruction in a computer tomography system
WO1997032277A1 (en) * 1996-02-29 1997-09-04 Acuson Corporation Multiple ultrasound image registration system, method and transducer
US5663995A (en) * 1996-06-06 1997-09-02 General Electric Company Systems and methods for reconstructing an image in a CT system performing a cone beam helical scan
US5873830A (en) * 1997-08-22 1999-02-23 Acuson Corporation Ultrasound imaging system and method for improving resolution and operation
US6078639A (en) * 1997-11-26 2000-06-20 Picker International, Inc. Real time continuous CT imaging
US6373060B1 (en) * 1998-01-30 2002-04-16 Kabushiki Kaisha Toshiba Nuclear medicine diagnostic apparatus
US6456394B1 (en) * 1998-12-10 2002-09-24 Xerox Corporation Method for reducing halo print defects associated with color images
US6701000B1 (en) * 1999-04-30 2004-03-02 General Electric Company Solution to detector lag problem in a solid state detector
US6351548B1 (en) * 1999-06-23 2002-02-26 The Board Of Trustees Of The University Of Illinois Fast hierarchical reprojection algorithm for tomography
US6535084B1 (en) 2000-01-15 2003-03-18 Ge Medical Systems Global Technology Company, Llc Method and apparatus for designing an RF coil assembly
US6381297B1 (en) 2000-08-15 2002-04-30 Ge Medical Systems Global Technology Company, Llc High pitch reconstruction of multislice CT scans
AU2002303207B2 (en) 2001-04-03 2009-01-22 L-3 Communications Security And Detection Systems, Inc. A remote baggage screening system, software and method
JP4607364B2 (ja) * 2001-04-04 2011-01-05 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
US20060274916A1 (en) * 2001-10-01 2006-12-07 L-3 Communications Security And Detection Systems Remote data access
US20060115109A1 (en) * 2001-10-01 2006-06-01 L-3 Communications Security And Detection Systems, Inc. Ensuring airline safety while safeguarding personal passenger information
US8031903B2 (en) * 2001-10-01 2011-10-04 L-3 Communications Security And Detection Systems, Inc. Networked security system
US20030085163A1 (en) * 2001-10-01 2003-05-08 Chan Chin F. Remote data access
US20030072478A1 (en) * 2001-10-12 2003-04-17 Claus Bernhard Erich Hermann Reconstruction method for tomosynthesis
US6816571B2 (en) * 2002-02-06 2004-11-09 L-3 Communications Security And Detection Systems Corporation Delaware Method and apparatus for transmitting information about a target object between a prescanner and a CT scanner
DE602004004877T2 (de) * 2003-02-14 2007-11-08 Koninklijke Philips Electronics N.V. System und verfahren für exakte bildrekonstruktion für spiralkegelstrahl-compu tertomographie mit redundanten daten
US6931094B2 (en) * 2003-10-10 2005-08-16 Ge Medical Systems Global Technology Company, Llc Methods and systems for smoothing
WO2005050405A2 (en) * 2003-11-19 2005-06-02 L-3 Communications Security and Detection Systems Corporation Security system with distributed computing
EP1716809B1 (en) * 2004-02-16 2013-11-06 Hitachi Medical Corporation Tomogram reconstruction method and tomograph
WO2005082009A2 (en) * 2004-02-25 2005-09-09 Digirad Corporation Small field-of-view detector head ('spect') attenuation correction system
US6996206B2 (en) * 2004-04-12 2006-02-07 General Electric Company Method, system and storage medium for reference normalization for blocked reference channels
JP2006000225A (ja) * 2004-06-15 2006-01-05 Canon Inc X線ct装置
CN100563570C (zh) * 2004-07-07 2009-12-02 皇家飞利浦电子股份有限公司 心脏锥面光束ct重建中条纹伪影的减少
US7711170B2 (en) * 2005-05-10 2010-05-04 General Electric Company Method and system for filtering scan data
US7869663B2 (en) * 2005-08-01 2011-01-11 Bioptigen, Inc. Methods, systems and computer program products for analyzing three dimensional data sets obtained from a sample
US7283605B2 (en) * 2006-01-14 2007-10-16 General Electric Company Methods and apparatus for scatter correction
US7620309B2 (en) * 2006-04-04 2009-11-17 Adobe Systems, Incorporated Plenoptic camera
ATE492007T1 (de) * 2006-10-18 2011-01-15 Koninkl Philips Electronics Nv Bildgebungssystem, bildgebungsverfahren und computerprogramm zur abbildung eines interessensbereiches
US8218720B2 (en) * 2007-03-12 2012-07-10 Varian Medical Systems, Inc. Method and apparatus to facilitate reconstructing an image using fan-beam data
US20080273651A1 (en) * 2007-05-05 2008-11-06 Franz Edward Boas Methods and apparatus for reducing artifacts in computed tomography images
US8290358B1 (en) 2007-06-25 2012-10-16 Adobe Systems Incorporated Methods and apparatus for light-field imaging
US8019215B2 (en) * 2007-08-06 2011-09-13 Adobe Systems Incorporated Method and apparatus for radiance capture by multiplexing in the frequency domain
JP5179136B2 (ja) * 2007-10-02 2013-04-10 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
US8189065B2 (en) 2008-01-23 2012-05-29 Adobe Systems Incorporated Methods and apparatus for full-resolution light-field capture and rendering
US7962033B2 (en) 2008-01-23 2011-06-14 Adobe Systems Incorporated Methods and apparatus for full-resolution light-field capture and rendering
US8155456B2 (en) * 2008-04-29 2012-04-10 Adobe Systems Incorporated Method and apparatus for block-based compression of light-field images
US8244058B1 (en) 2008-05-30 2012-08-14 Adobe Systems Incorporated Method and apparatus for managing artifacts in frequency domain processing of light-field images
US8938104B2 (en) * 2008-08-29 2015-01-20 Varian Medical Systems International Ag Systems and methods for adaptive filtering
US8315476B1 (en) 2009-01-20 2012-11-20 Adobe Systems Incorporated Super-resolution with the focused plenoptic camera
US8189089B1 (en) 2009-01-20 2012-05-29 Adobe Systems Incorporated Methods and apparatus for reducing plenoptic camera artifacts
EP2411965B1 (en) 2009-03-26 2016-01-13 Koninklijke Philips N.V. Method and apparatus for computed tomography image reconstruction
US8228417B1 (en) 2009-07-15 2012-07-24 Adobe Systems Incorporated Focused plenoptic camera employing different apertures or filtering at different microlenses
US8345144B1 (en) 2009-07-15 2013-01-01 Adobe Systems Incorporated Methods and apparatus for rich image capture with focused plenoptic cameras
US8400555B1 (en) 2009-12-01 2013-03-19 Adobe Systems Incorporated Focused plenoptic camera employing microlenses with different focal lengths
US8817015B2 (en) 2010-03-03 2014-08-26 Adobe Systems Incorporated Methods, apparatus, and computer-readable storage media for depth-based rendering of focused plenoptic camera data
US8744159B2 (en) * 2010-03-05 2014-06-03 Bioptigen, Inc. Methods, systems and computer program products for collapsing volume data to lower dimensional representations thereof using histogram projection
US8358366B1 (en) 2010-05-28 2013-01-22 Adobe Systems Incorporate Methods and apparatus for high-speed digital imaging
US8665341B2 (en) 2010-08-27 2014-03-04 Adobe Systems Incorporated Methods and apparatus for rendering output images with simulated artistic effects from focused plenoptic camera data
US8803918B2 (en) 2010-08-27 2014-08-12 Adobe Systems Incorporated Methods and apparatus for calibrating focused plenoptic camera data
US8724000B2 (en) 2010-08-27 2014-05-13 Adobe Systems Incorporated Methods and apparatus for super-resolution in integral photography
US8749694B2 (en) 2010-08-27 2014-06-10 Adobe Systems Incorporated Methods and apparatus for rendering focused plenoptic camera data using super-resolved demosaicing
EP2633496B1 (en) * 2010-10-27 2023-01-11 Koninklijke Philips N.V. Image artifact identification and mitigation
US9030550B2 (en) 2011-03-25 2015-05-12 Adobe Systems Incorporated Thin plenoptic cameras using solid immersion lenses
EP2724147A1 (en) * 2011-06-21 2014-04-30 Koninklijke Philips N.V. Imaging apparatus
AU2012304490B2 (en) 2011-09-07 2015-06-25 Rapiscan Systems, Inc. X-ray inspection system that integrates manifest data with imaging/detection processing
US9377291B2 (en) 2013-12-05 2016-06-28 Bioptigen, Inc. Image registration, averaging, and compounding for high speed extended depth optical coherence tomography
JP2017526507A (ja) 2014-08-31 2017-09-14 ベレシュトカ,ジョン 目を解析するためのシステム及び方法
US9466134B2 (en) 2014-12-18 2016-10-11 General Electric Company Systems and methods for motion correction using magnetic resonance imaging information
US10524756B2 (en) * 2015-08-27 2020-01-07 Varian Medical Systems International Methods and systems for image artifacts reduction
WO2017071956A1 (en) * 2015-10-28 2017-05-04 Koninklijke Philips N.V. Computed tomography image generation apparatus
US10302807B2 (en) 2016-02-22 2019-05-28 Rapiscan Systems, Inc. Systems and methods for detecting threats and contraband in cargo
JP6062589B1 (ja) * 2016-04-28 2017-01-18 株式会社Live2D プログラム、情報処理装置、影響度導出方法、画像生成方法及び記録媒体
EP3413033B1 (en) * 2017-06-09 2020-09-23 Roche Diagnostics GmbH Method and apparatus for determining properties of a laboratory sample contained in a laboratory sample container
CN112904743B (zh) * 2021-01-20 2022-07-12 清华大学 一种用于计算刚性电力电子系统的离散状态事件驱动的方法
CN115005860B (zh) * 2022-08-03 2022-11-15 有方(合肥)医疗科技有限公司 一种减少口腔颌面cbct成像运动伪影的方法及装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3011057A (en) * 1958-01-02 1961-11-28 Hal O Anger Radiation image device
GB1493243A (en) * 1974-02-15 1977-11-30 Emi Ltd Radiographic apparatus
FR2284306A1 (fr) * 1974-09-13 1976-04-09 Thomson Csf Perfectionnements aux appareils de visualisation d'une section d'un corps soumis a des radiations penetrantes, et notamment a des rayonx x ou g
US4075492A (en) * 1974-11-29 1978-02-21 The Board Of Trustees Of Leland Stanford Junior University Fan beam X- or γ-ray 3-D tomography
US4433380A (en) * 1975-11-25 1984-02-21 Philips Medical Systems, Inc. Tomographic scanner
US4070707A (en) * 1976-07-12 1978-01-24 General Electric Company Reduction of offsets in data acquisition systems
US4068306A (en) * 1976-07-12 1978-01-10 General Electric Co. X-ray data acquisition system and method for calibration
US4112303A (en) * 1977-02-25 1978-09-05 General Electric Company Gantry for computed tomography
US4115695A (en) * 1977-02-25 1978-09-19 General Electric Company Gantry for computed tomography
US4115696A (en) * 1977-04-18 1978-09-19 General Electric Company Computed tomography scanner
DE2754361C2 (de) * 1977-12-07 1983-07-14 N.V. Philips' Gloeilampenfabrieken, 5621 Eindhoven Verfahren zur Verminderung von Bildfehlern in Computer-Tomographiebildern
US4217641A (en) * 1978-04-28 1980-08-12 U.S. Philips Corporation Correction for polychromatic X-ray distortion in CT images
GB1602071A (en) * 1978-05-12 1981-11-04 Emi Ltd Processing arrangements for medical examination
EP0010885B1 (en) * 1978-10-24 1983-02-23 EMI Limited Computerized tomographic apparatus
US4216381A (en) * 1979-05-10 1980-08-05 General Electric Company Structure for emission tomography scintillation camera
US4280178A (en) * 1979-08-24 1981-07-21 General Electric Company Computerized tomographic reconstruction method utilizing reflection
DE3034559A1 (de) * 1979-09-18 1981-03-19 Tokyo Institute of Technology, Tokyo Verfahren zur rekonstruktion einer roentgentomographie
US4272680A (en) * 1979-12-03 1981-06-09 General Electric Company Modular array radiation detector
JPS6058504B2 (ja) * 1980-11-17 1985-12-20 株式会社東芝 再構成装置
US4463375A (en) * 1982-09-07 1984-07-31 The Board Of Trustees Of The Leland Standford Junior University Multiple-measurement noise-reducing system

Also Published As

Publication number Publication date
IL71092A0 (en) 1984-05-31
JPH0442011B2 (ja) 1992-07-10
DE3484026D1 (de) 1991-03-07
EP0124015B1 (en) 1991-01-30
JPS605127A (ja) 1985-01-11
US4580219A (en) 1986-04-01
EP0124015A3 (en) 1987-05-13
EP0124015A2 (en) 1984-11-07

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