JPS605127A - 物体スライスの像を構成する装置 - Google Patents

物体スライスの像を構成する装置

Info

Publication number
JPS605127A
JPS605127A JP59087946A JP8794684A JPS605127A JP S605127 A JPS605127 A JP S605127A JP 59087946 A JP59087946 A JP 59087946A JP 8794684 A JP8794684 A JP 8794684A JP S605127 A JPS605127 A JP S605127A
Authority
JP
Japan
Prior art keywords
projection
measurements
scan
relative contribution
fan beam
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.)
Granted
Application number
JP59087946A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0442011B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
ノ−バ−ト・ジヨセフ・ペルク
ガリ−・ハロルド・グロ−バ−
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 JPS605127A publication Critical patent/JPS605127A/ja
Publication of JPH0442011B2 publication Critical patent/JPH0442011B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; 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 OR CALCULATING; 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

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (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)
  • Nuclear Medicine (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP59087946A 1983-05-02 1984-05-02 物体スライスの像を構成する装置 Granted JPS605127A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US490604 1983-05-02
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
JPS605127A true JPS605127A (ja) 1985-01-11
JPH0442011B2 JPH0442011B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-07-10

Family

ID=23948750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59087946A Granted JPS605127A (ja) 1983-05-02 1984-05-02 物体スライスの像を構成する装置

Country Status (5)

Country Link
US (1) US4580219A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0124015B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS605127A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3484026D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL71092A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (4)

* 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
JP2002291732A (ja) * 2001-04-04 2002-10-08 Ge Medical Systems Global Technology Co Llc X線ct装置
JP2003529423A (ja) * 2000-03-30 2003-10-07 ザ、ボード、オブ、トラスティーズ、オブ、ザ、ユニバシティー、オブ、イリノイ トモグラフィー用高速階層的再投影アルゴリズム
WO2005077278A1 (ja) * 2004-02-16 2005-08-25 Hitachi Medical Corporation 断層撮影像の再構成方法及び断層撮影装置

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4718010A (en) * 1984-12-28 1988-01-05 Kabushiki Kaisha Toshiba CT system for creating image data from high and low energy radiation
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
DE69736549T2 (de) * 1996-02-29 2007-08-23 Acuson Corp., Mountain View System, verfahren und wandler zum ausrichten mehrerer ultraschallbilder
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
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
CA2443469A1 (en) 2001-04-03 2002-10-17 L-3 Communications Security & Detection Systems A remote baggage screening system, software and method
US20060274916A1 (en) * 2001-10-01 2006-12-07 L-3 Communications Security And Detection Systems Remote data access
US20030085163A1 (en) * 2001-10-01 2003-05-08 Chan Chin F. 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
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
ATE354838T1 (de) * 2003-02-14 2007-03-15 Koninkl Philips Electronics Nv System und verfahren für exakte bildrekonstruktion für spiral-kegelstrahl- computertomographie mit redundanten daten
US6931094B2 (en) * 2003-10-10 2005-08-16 Ge Medical Systems Global Technology Company, Llc Methods and systems for smoothing
EP1689640A2 (en) * 2003-11-19 2006-08-16 L-3 Communications Security and Detection Systems Corporation Security system with distributed computing
US7560699B2 (en) * 2004-02-25 2009-07-14 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
US7558362B2 (en) * 2004-07-07 2009-07-07 Koninklijke Philips Electronics N.V. Streak artifact reduction in cardiac cone beam CT reconstruction
US7711170B2 (en) * 2005-05-10 2010-05-04 General Electric Company Method and system for filtering scan data
EP1910997B1 (en) * 2005-08-01 2019-11-20 Bioptigen, Inc. Methods, systems and computer program for 3d-registration of three dimensional data sets obtained by preferably optical coherence tomography based on the alignment of projection images or fundus images, respectively
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
DE602007011309D1 (de) * 2006-10-18 2011-01-27 Philips Intellectual Property 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
US8189089B1 (en) 2009-01-20 2012-05-29 Adobe Systems Incorporated Methods and apparatus for reducing plenoptic camera artifacts
US8315476B1 (en) 2009-01-20 2012-11-20 Adobe Systems Incorporated Super-resolution with the focused plenoptic camera
US8787646B2 (en) 2009-03-26 2014-07-22 Koninklijke Philips N.V. Method and apparatus for computed tomography image reconstruction
US8345144B1 (en) 2009-07-15 2013-01-01 Adobe Systems Incorporated Methods and apparatus for rich image capture with focused plenoptic cameras
US8228417B1 (en) 2009-07-15 2012-07-24 Adobe Systems Incorporated Focused plenoptic camera employing different apertures or filtering at different microlenses
US8400555B1 (en) 2009-12-01 2013-03-19 Adobe Systems Incorporated Focused plenoptic camera employing microlenses with different focal lengths
US8860833B2 (en) 2010-03-03 2014-10-14 Adobe Systems Incorporated Blended 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
US8749694B2 (en) 2010-08-27 2014-06-10 Adobe Systems Incorporated Methods and apparatus for rendering focused plenoptic camera data using super-resolved demosaicing
US8724000B2 (en) 2010-08-27 2014-05-13 Adobe Systems Incorporated Methods and apparatus for super-resolution in integral photography
US8803918B2 (en) 2010-08-27 2014-08-12 Adobe Systems Incorporated Methods and apparatus for calibrating focused plenoptic camera data
WO2012056379A1 (en) * 2010-10-27 2012-05-03 Koninklijke Philips Electronics 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
WO2012176088A1 (en) * 2011-06-21 2012-12-27 Koninklijke Philips Electronics N.V. Imaging apparatus
CN103917862A (zh) 2011-09-07 2014-07-09 拉皮斯坎系统股份有限公司 整合舱单数据和成像/检测处理的x射线检查系统
US9377291B2 (en) 2013-12-05 2016-06-28 Bioptigen, Inc. Image registration, averaging, and compounding for high speed extended depth optical coherence tomography
WO2016033590A1 (en) 2014-08-31 2016-03-03 Berestka John Systems and methods for analyzing the eye
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
CN108024779B (zh) * 2015-10-28 2020-02-21 皇家飞利浦有限公司 计算机断层摄影图像生成装置
GB2564038B (en) 2016-02-22 2021-11-10 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
US4115695A (en) * 1977-02-25 1978-09-19 General Electric Company Gantry for computed tomography
US4112303A (en) * 1977-02-25 1978-09-05 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
DE2964915D1 (en) * 1978-10-24 1983-03-31 Emi Ltd 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
US4418387A (en) * 1979-09-18 1983-11-29 The President Of Tokyo Institute Of Technology Method of reconstructing a computed tomographic image from a single X-ray projection
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

Cited By (7)

* 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
JP2003529423A (ja) * 2000-03-30 2003-10-07 ザ、ボード、オブ、トラスティーズ、オブ、ザ、ユニバシティー、オブ、イリノイ トモグラフィー用高速階層的再投影アルゴリズム
JP2002291732A (ja) * 2001-04-04 2002-10-08 Ge Medical Systems Global Technology Co Llc X線ct装置
WO2005077278A1 (ja) * 2004-02-16 2005-08-25 Hitachi Medical Corporation 断層撮影像の再構成方法及び断層撮影装置
JPWO2005077278A1 (ja) * 2004-02-16 2007-10-18 株式会社日立メディコ 断層撮影像の再構成方法及び断層撮影装置
US7653224B2 (en) 2004-02-16 2010-01-26 Hitachi Medical Corporation Image reconstruction method and tomograph
JP4646810B2 (ja) * 2004-02-16 2011-03-09 株式会社日立メディコ 断層撮影像の再構成方法及び断層撮影装置

Also Published As

Publication number Publication date
EP0124015B1 (en) 1991-01-30
EP0124015A2 (en) 1984-11-07
EP0124015A3 (en) 1987-05-13
IL71092A (en) 1988-11-30
IL71092A0 (en) 1984-05-31
US4580219A (en) 1986-04-01
DE3484026D1 (de) 1991-03-07
JPH0442011B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-07-10

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