IL140573A - Partial scan weighting for multislice ct imaging with arbitrary pitch - Google Patents

Partial scan weighting for multislice ct imaging with arbitrary pitch

Info

Publication number
IL140573A
IL140573A IL14057300A IL14057300A IL140573A IL 140573 A IL140573 A IL 140573A IL 14057300 A IL14057300 A IL 14057300A IL 14057300 A IL14057300 A IL 14057300A IL 140573 A IL140573 A IL 140573A
Authority
IL
Israel
Prior art keywords
multislice
imaging
partial scan
arbitrary pitch
scan weighting
Prior art date
Application number
IL14057300A
Other languages
English (en)
Other versions
IL140573A0 (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 IL140573A0 publication Critical patent/IL140573A0/xx
Publication of IL140573A publication Critical patent/IL140573A/xx

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)
IL14057300A 1999-12-30 2000-12-26 Partial scan weighting for multislice ct imaging with arbitrary pitch IL140573A (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IL140573A0 IL140573A0 (en) 2002-02-10
IL140573A true IL140573A (en) 2005-05-17

Family

ID=23889353

Family Applications (1)

Application Number Title Priority Date Filing Date
IL14057300A IL140573A (en) 1999-12-30 2000-12-26 Partial scan weighting for multislice ct imaging with arbitrary pitch

Country Status (6)

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

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 (fr) * 2001-03-22 2002-09-25 VAMP Verfahren und Apparate der Medizinischen Physik GmbH Dispositif de tomographie par interpolation image-à-volume à partir des poids caracteristiques
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
CN100359537C (zh) * 2003-02-19 2008-01-02 皇家飞利浦电子股份有限公司 利用螺旋相对运动和锥形光束的计算机化x线断层摄影方法
US8094784B2 (en) 2003-04-25 2012-01-10 Rapiscan Systems, Inc. X-ray sources
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
GB0812864D0 (en) 2008-07-15 2008-08-20 Cxr Ltd Coolign anode
GB0525593D0 (en) 2005-12-16 2006-01-25 Cxr Ltd X-ray tomography inspection systems
GB0309387D0 (en) * 2003-04-25 2003-06-04 Cxr Ltd X-Ray scanning
US8243876B2 (en) 2003-04-25 2012-08-14 Rapiscan Systems, Inc. X-ray scanners
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
EP1815438A1 (fr) * 2004-11-15 2007-08-08 Philips Intellectual Property & Standards GmbH Procede de reconstruction pour tomodensitometrie et tomodensitometre associe
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
CN105596022B (zh) * 2006-02-27 2020-05-22 罗切斯特大学 锥束ct动态成像的方法和设备
US7885377B2 (en) * 2006-10-23 2011-02-08 Kabushiki Kaisha Toshiba X-ray computer tomographic apparatus, medical imaging apparatus, and medical image display apparatus
CN101646957B (zh) * 2007-04-04 2013-01-02 皇家飞利浦电子股份有限公司 各向同性分辨率的图像重建
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
DE69325485T2 (de) * 1992-09-09 1999-10-28 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
JP3588048B2 (ja) * 1997-07-01 2004-11-10 アナロジック コーポレーション ヘリカルスキャン・立体的コンピュータ断層撮影システムのための改良検出器アレイ幾何学配列
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
CN1217625C (zh) 2005-09-07
DE60026681T2 (de) 2006-11-02
EP1113396A3 (fr) 2003-11-19
DE60026681D1 (de) 2006-05-11
JP2001204723A (ja) 2001-07-31
EP1113396B1 (fr) 2006-03-15
CN1310983A (zh) 2001-09-05
EP1113396A2 (fr) 2001-07-04
US6324247B1 (en) 2001-11-27
IL140573A0 (en) 2002-02-10

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