DE60026681D1 - Verfahren und Gerät zur Mehrschichttomografie mit partieller Abtastung - Google Patents

Verfahren und Gerät zur Mehrschichttomografie mit partieller Abtastung

Info

Publication number
DE60026681D1
DE60026681D1 DE60026681T DE60026681T DE60026681D1 DE 60026681 D1 DE60026681 D1 DE 60026681D1 DE 60026681 T DE60026681 T DE 60026681T DE 60026681 T DE60026681 T DE 60026681T DE 60026681 D1 DE60026681 D1 DE 60026681D1
Authority
DE
Germany
Prior art keywords
partial scanning
tomography
slice
slice tomography
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 - Fee Related
Application number
DE60026681T
Other languages
English (en)
Other versions
DE60026681T2 (de
Inventor
Guy Marie Besson
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.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology 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 Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of DE60026681D1 publication Critical patent/DE60026681D1/de
Application granted granted Critical
Publication of DE60026681T2 publication Critical patent/DE60026681T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE60026681T 1999-12-30 2000-12-22 Verfahren und Gerät zur Mehrschichttomografie mit partieller Abtastung Expired - Fee Related DE60026681T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/475,835 US6324247B1 (en) 1999-12-30 1999-12-30 Partial scan weighting for multislice CT imaging with arbitrary pitch
US475835 1999-12-30

Publications (2)

Publication Number Publication Date
DE60026681D1 true DE60026681D1 (de) 2006-05-11
DE60026681T2 DE60026681T2 (de) 2006-11-02

Family

ID=23889353

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60026681T Expired - Fee Related DE60026681T2 (de) 1999-12-30 2000-12-22 Verfahren und Gerät zur Mehrschichttomografie mit partieller Abtastung

Country Status (6)

Country Link
US (1) US6324247B1 (de)
EP (1) EP1113396B1 (de)
JP (1) JP2001204723A (de)
CN (1) CN1217625C (de)
DE (1) DE60026681T2 (de)
IL (1) IL140573A (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6542570B1 (en) * 2000-04-14 2003-04-01 Kabushiki Kaisha Toshiba Method and system for reconstructing computed tomography images using redundant data
US6463118B2 (en) * 2000-12-29 2002-10-08 Ge Medical Systems Global Technology Company, Llc Computed tomography (CT) weighting for high quality image recontruction
EP1244058A1 (de) * 2001-03-22 2002-09-25 VAMP Verfahren und Apparate der Medizinischen Physik GmbH Computertomograph mit merkmalsgewichteter Bild-zu-Volumen Interpolation in Echtzeit
JP3911415B2 (ja) * 2001-12-26 2007-05-09 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
US6865250B2 (en) * 2002-12-23 2005-03-08 Ge Medical Systems Global Technology Company Llc High pitch cardiac helical scan with extended reconstruction windows
JP2006517823A (ja) * 2003-02-19 2006-08-03 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 ヘリカル相対移動とコーンビームを用いたコンピュータトモグラフィ方法
GB0525593D0 (en) 2005-12-16 2006-01-25 Cxr Ltd X-ray tomography inspection systems
US8094784B2 (en) 2003-04-25 2012-01-10 Rapiscan Systems, Inc. X-ray sources
GB0812864D0 (en) 2008-07-15 2008-08-20 Cxr Ltd Coolign anode
US9208988B2 (en) 2005-10-25 2015-12-08 Rapiscan Systems, Inc. Graphite backscattered electron shield for use in an X-ray tube
US10483077B2 (en) 2003-04-25 2019-11-19 Rapiscan Systems, Inc. X-ray sources having reduced electron scattering
US8243876B2 (en) 2003-04-25 2012-08-14 Rapiscan Systems, Inc. X-ray scanners
GB0309387D0 (en) * 2003-04-25 2003-06-04 Cxr Ltd X-Ray scanning
US7170972B2 (en) * 2004-03-16 2007-01-30 General Electric Company Methods and systems for multi-modality imaging
JP4498023B2 (ja) * 2004-06-15 2010-07-07 キヤノン株式会社 Ｘ線ｃｔ装置
WO2006051468A1 (en) * 2004-11-15 2006-05-18 Philips Intellectual Property & Standards Gmbh Reconstruction method for computer tomograph and computer tomograph
US7570733B2 (en) * 2005-06-10 2009-08-04 General Electric Company Step-and-shoot cardiac CT imaging
JP2007000408A (ja) * 2005-06-24 2007-01-11 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置
US9046465B2 (en) 2011-02-24 2015-06-02 Rapiscan Systems, Inc. Optimization of the source firing pattern for X-ray scanning systems
AU2007217369A1 (en) * 2006-02-27 2007-08-30 University Of Rochester Method and apparatus for cone beam CT dynamic imaging
US7885377B2 (en) * 2006-10-23 2011-02-08 Kabushiki Kaisha Toshiba X-ray computer tomographic apparatus, medical imaging apparatus, and medical image display apparatus
EP2137550B1 (de) * 2007-04-04 2017-12-13 Koninklijke Philips N.V. Bildrekonstruktion mit isotroper auflösung
US7792238B2 (en) * 2008-02-18 2010-09-07 General Electric Company Method and system for reconstructing cone-beam projection data with reduced artifacts
GB0816823D0 (en) 2008-09-13 2008-10-22 Cxr Ltd X-ray tubes
GB0901338D0 (en) 2009-01-28 2009-03-11 Cxr Ltd X-Ray tube electron sources
CN110811623A (zh) * 2019-11-21 2020-02-21 上海联影医疗科技有限公司 医学图像扫描计划方法、装置、设备及存储介质
US11551903B2 (en) 2020-06-25 2023-01-10 American Science And Engineering, Inc. Devices and methods for dissipating heat from an anode of an x-ray tube assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04288148A (ja) * 1991-03-15 1992-10-13 Hitachi Medical Corp Ｘ線ｃｔ装置
JP2933107B2 (ja) * 1992-02-14 1999-08-09 株式会社東芝 Ｃｔ装置
EP0587334B1 (de) * 1992-09-09 1999-06-30 Picker International, Inc. Verfahren und Vorrichtung zur Bilderzeugung
US6091840A (en) * 1995-12-21 2000-07-18 General Electric Company Methods and apparatus for single slice helical image reconstruction in a computed tomography system
US5606585A (en) * 1995-12-21 1997-02-25 General Electric Company Methods and apparatus for multislice helical image reconstruction in a computer tomography system
CN1309548A (zh) * 1997-07-01 2001-08-22 模拟技术有限公司 用于螺旋扫描立体计算的x断层照相***的改进的探测器阵列的几何形状
US5960056A (en) * 1997-07-01 1999-09-28 Analogic Corporation Method and apparatus for reconstructing volumetric images in a helical scanning computed tomography system with multiple rows of detectors
JPH1189828A (ja) * 1997-09-18 1999-04-06 Ge Yokogawa Medical Systems Ltd Ｘ線断層撮影方法及びｘ線断層撮影装置
JPH11226006A (ja) * 1998-02-18 1999-08-24 Arco Bell Graphics Japan:Kk コンピュータ断層装置

Also Published As

Publication number Publication date
JP2001204723A (ja) 2001-07-31
EP1113396B1 (de) 2006-03-15
EP1113396A2 (de) 2001-07-04
CN1310983A (zh) 2001-09-05
CN1217625C (zh) 2005-09-07
IL140573A0 (en) 2002-02-10
US6324247B1 (en) 2001-11-27
EP1113396A3 (de) 2003-11-19
IL140573A (en) 2005-05-17
DE60026681T2 (de) 2006-11-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee