DE69213167D1 - Dekonvolutionsfilter für eine CT-Anlage - Google Patents

Dekonvolutionsfilter für eine CT-Anlage

Info

Publication number
DE69213167D1
DE69213167D1 DE69213167T DE69213167T DE69213167D1 DE 69213167 D1 DE69213167 D1 DE 69213167D1 DE 69213167 T DE69213167 T DE 69213167T DE 69213167 T DE69213167 T DE 69213167T DE 69213167 D1 DE69213167 D1 DE 69213167D1
Authority
DE
Germany
Prior art keywords
deconvolution filter
deconvolution
filter
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 - Fee Related
Application number
DE69213167T
Other languages
English (en)
Other versions
DE69213167T2 (de
Inventor
Thomas Louis Toth
Carl Ross Crawford
Kevin Franklin King
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 DE69213167D1 publication Critical patent/DE69213167D1/de
Application granted granted Critical
Publication of DE69213167T2 publication Critical patent/DE69213167T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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]
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (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)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE69213167T 1991-11-20 1992-11-18 Dekonvolutionsfilter für eine CT-Anlage Expired - Fee Related DE69213167T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/796,113 US5361291A (en) 1991-11-20 1991-11-20 Deconvolution filter for CT system

Publications (2)

Publication Number Publication Date
DE69213167D1 true DE69213167D1 (de) 1996-10-02
DE69213167T2 DE69213167T2 (de) 1997-03-27

Family

ID=25167336

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69213167T Expired - Fee Related DE69213167T2 (de) 1991-11-20 1992-11-18 Dekonvolutionsfilter für eine CT-Anlage

Country Status (4)

Country Link
US (1) US5361291A (de)
EP (1) EP0543626B1 (de)
JP (1) JP2511622B2 (de)
DE (1) DE69213167T2 (de)

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WO2005119025A2 (en) 2004-06-01 2005-12-15 Spectrum Dynamics Llc Radioactive-emission-measurement optimization to specific body structures
US7826889B2 (en) 2000-08-21 2010-11-02 Spectrum Dynamics Llc Radioactive emission detector equipped with a position tracking system and utilization thereof with medical systems and in medical procedures
US8565860B2 (en) 2000-08-21 2013-10-22 Biosensors International Group, Ltd. Radioactive emission detector equipped with a position tracking system
US8489176B1 (en) 2000-08-21 2013-07-16 Spectrum Dynamics Llc Radioactive emission detector equipped with a position tracking system and utilization thereof with medical systems and in medical procedures
US8909325B2 (en) 2000-08-21 2014-12-09 Biosensors International Group, Ltd. Radioactive emission detector equipped with a position tracking system and utilization thereof with medical systems and in medical procedures
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IL154323A0 (en) * 2000-08-21 2003-09-17 Target Technologies Ltd V Radioactive emission detector equipped with a position tracking system and utilization thereof with medical systems and in medical procedures
US8036731B2 (en) 2001-01-22 2011-10-11 Spectrum Dynamics Llc Ingestible pill for diagnosing a gastrointestinal tract
DE10201321B4 (de) * 2002-01-15 2011-02-24 Siemens Ag Computertomographie-Gerät und Verfahren mit aktiver Anpassung der Mess-Elektronik
US20040019517A1 (en) * 2002-07-26 2004-01-29 Fidelity National Information Solutions, Inc. Method of establishing an insurable value estimate for a real estate property
US7424173B2 (en) * 2002-09-30 2008-09-09 Fujifilm Corporation Method, apparatus and program for restoring phase information
EP1573495B1 (de) 2002-11-04 2009-11-04 Spectrum Dynamics LLC Vorrichtungen und verfahren zur abbildungund dämpfungskorrektur
US6888914B2 (en) * 2002-11-26 2005-05-03 General Electric Company Methods and apparatus for computing volumetric perfusion
JP4409223B2 (ja) * 2003-07-24 2010-02-03 東芝医用システムエンジニアリング株式会社 Ｘ線ｃｔ装置及びｘ線ｃｔ用逆投影演算方法
US7492967B2 (en) * 2003-09-24 2009-02-17 Kabushiki Kaisha Toshiba Super-resolution processor and medical diagnostic imaging apparatus
WO2006075333A2 (en) 2005-01-13 2006-07-20 Spectrum Dynamics Llc Multi-dimensional image reconstruction and analysis for expert-system diagnosis
US9040016B2 (en) 2004-01-13 2015-05-26 Biosensors International Group, Ltd. Diagnostic kit and methods for radioimaging myocardial perfusion
WO2007010537A2 (en) 2005-07-19 2007-01-25 Spectrum Dynamics Llc Reconstruction stabilizer and active vision
US9470801B2 (en) 2004-01-13 2016-10-18 Spectrum Dynamics Llc Gating with anatomically varying durations
US8571881B2 (en) 2004-11-09 2013-10-29 Spectrum Dynamics, Llc Radiopharmaceutical dispensing, administration, and imaging
WO2006051531A2 (en) 2004-11-09 2006-05-18 Spectrum Dynamics Llc Radioimaging
CN1981210A (zh) 2004-01-13 2007-06-13 光谱动力学有限责任公司 多维图像重构
US7968851B2 (en) 2004-01-13 2011-06-28 Spectrum Dynamics Llc Dynamic spect camera
US8586932B2 (en) 2004-11-09 2013-11-19 Spectrum Dynamics Llc System and method for radioactive emission measurement
WO2007010534A2 (en) 2005-07-19 2007-01-25 Spectrum Dynamics Llc Imaging protocols
JP4763620B2 (ja) * 2004-01-29 2011-08-31 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 画素千鳥状化及び焦点変調を有するコンピュータ断層撮像装置及び方法
JP4977007B2 (ja) * 2004-03-17 2012-07-18 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 複数の焦点取得方法及び装置
DE102004017538A1 (de) * 2004-04-08 2005-11-03 Siemens Ag Computertomographie-Gerät mit Aperturblende
EP1766550A2 (de) 2004-06-01 2007-03-28 Spectrum Dynamics LLC Verfahren zur ansichtsauswahl für messungen radioaktiver emission
US20080080666A1 (en) * 2004-09-29 2008-04-03 Koninklijke Philips Electronics N.V. Computed Tomography Imaging With Rotated Detection Modules
US8000773B2 (en) 2004-11-09 2011-08-16 Spectrum Dynamics Llc Radioimaging
US8615405B2 (en) 2004-11-09 2013-12-24 Biosensors International Group, Ltd. Imaging system customization using data from radiopharmaceutical-associated data carrier
US9316743B2 (en) 2004-11-09 2016-04-19 Biosensors International Group, Ltd. System and method for radioactive emission measurement
US9943274B2 (en) 2004-11-09 2018-04-17 Spectrum Dynamics Medical Limited Radioimaging using low dose isotope
WO2008059489A2 (en) 2006-11-13 2008-05-22 Spectrum Dynamics Llc Radioimaging applications of and novel formulations of teboroxime
US7778450B2 (en) * 2005-01-20 2010-08-17 Scimed Life Systems, Inc. Pattern recognition systems and methods
US8837793B2 (en) 2005-07-19 2014-09-16 Biosensors International Group, Ltd. Reconstruction stabilizer and active vision
US8204500B2 (en) 2005-12-28 2012-06-19 Starhome Gmbh Optimal voicemail deposit for roaming cellular telephony
US8894974B2 (en) 2006-05-11 2014-11-25 Spectrum Dynamics Llc Radiopharmaceuticals for diagnosis and therapy
WO2008075362A2 (en) 2006-12-20 2008-06-26 Spectrum Dynamics Llc A method, a system, and an apparatus for using and processing multidimensional data
US8521253B2 (en) 2007-10-29 2013-08-27 Spectrum Dynamics Llc Prostate imaging
US7929659B2 (en) * 2008-07-24 2011-04-19 General Electric Company System and method for generating computed tomography images
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
US8338788B2 (en) 2009-07-29 2012-12-25 Spectrum Dynamics Llc Method and system of optimized volumetric imaging
JP5677738B2 (ja) * 2009-12-24 2015-02-25 株式会社東芝 Ｘ線コンピュータ断層撮影装置
DE11173533T8 (de) 2010-07-14 2013-04-25 Xcounter Ab Computertomografie-Abtastsystem und Verfahren
DE102013104193A1 (de) * 2013-04-25 2014-10-30 Smiths Heimann Gmbh CT-Röntgenprüfanlage, insbesondere zur Inspektion von Objekten
US9427205B1 (en) 2015-03-20 2016-08-30 General Electic Company Systems and methods for artifact removal for computed tomography imaging
US10013780B2 (en) 2016-02-29 2018-07-03 General Electric Company Systems and methods for artifact removal for computed tomography imaging
WO2018153382A1 (zh) * 2017-02-27 2018-08-30 北京纳米维景科技有限公司 适应大视野要求的静态实时ct成像系统及其成像方法
CN109118459B (zh) * 2017-06-23 2022-07-19 南开大学 图像显著性物体检测方法和装置
CN109300170B (zh) * 2018-10-18 2022-10-28 云南大学 肖像照片光影传递方法
WO2022185231A1 (en) * 2021-03-04 2022-09-09 Multict Imaging Ltd X-ray computed tomography (ct) scanner
CN113509186B (zh) * 2021-06-30 2022-10-25 重庆理工大学 基于深度卷积神经网络的ecg分类系统与方法
CN114113158A (zh) * 2021-11-08 2022-03-01 上海物影科技有限公司 目标物体识别装置及系统

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US4637040A (en) * 1983-07-28 1987-01-13 Elscint, Ltd. Plural source computerized tomography device with improved resolution
FR2561415B1 (fr) * 1984-03-16 1990-01-19 Thomson Csf Procede de reconstruction d'image par tomodensitometrie
US4606004A (en) * 1984-03-21 1986-08-12 General Electric Company Apparatus for reduction of filtration truncation errors
JPH0223946A (ja) * 1988-07-14 1990-01-26 Toshiba Corp Ｘ線ｃｔ装置
US5173852A (en) * 1990-06-20 1992-12-22 General Electric Company Computed tomography system with translatable focal spot

Also Published As

Publication number Publication date
EP0543626B1 (de) 1996-08-28
US5361291A (en) 1994-11-01
EP0543626A1 (de) 1993-05-26
JPH05208007A (ja) 1993-08-20
DE69213167T2 (de) 1997-03-27
JP2511622B2 (ja) 1996-07-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee